{"id":7959,"date":"2025-04-28T15:54:44","date_gmt":"2025-04-28T19:54:44","guid":{"rendered":"https:\/\/wipware.com\/?p=7959"},"modified":"2025-04-29T10:22:08","modified_gmt":"2025-04-29T14:22:08","slug":"drilling-and-blasting-charge-and-design","status":"publish","type":"post","link":"https:\/\/wipware.com\/es\/drilling-and-blasting-charge-and-design\/","title":{"rendered":"Drilling and Blasting Charge and Design"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-introduction\">Introduction<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-part-1\">Part 1<\/h3>\n\n\n\n<p>Efficient drilling and blasting design is fundamental to achieving optimal rock fragmentation, cost control, and downstream productivity. The first step in designing an effective blast is selecting appropriate geometrical parameters based on rock properties, explosive characteristics, and site-specific conditions. This article introduces initial design ratios that can be used as first approximations in blast planning, keeping in mind that adjustments are necessary as field data is collected.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/04\/Video-1.mp4\"><\/video><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-burden-estimation\">1. Burden Estimation<\/h3>\n\n\n\n<p>The burden is distance between a blasthole and the free face is influenced by rock density and explosive diameter. Initial guidelines suggest:<br>Light rock (2.2 g\/cc): 28 \u00d7 explosive diameter<br>Medium rock (2.7 g\/cc): 25 \u00d7 explosive diameter<br>Dense rock (3.2 g\/cc): 23 \u00d7 explosive diameter<br>These values can be refined based on fragmentation feedback and in-situ rock behavior.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-spacing-between-holes\">2. Spacing Between Holes<\/h3>\n\n\n\n<p>Spacing ensures uniform energy distribution and reduces overlap or gaps between blast effects:<br>Instantaneous firing by row: 1.8 \u2013 2.0 \u00d7 burden<br>Large-diameter holes (sequential): 1.2 \u2013 1.5 \u00d7 burden<br>Small-diameter holes (sequential): 1.15 \u2013 1.8 \u00d7 burden<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-bench-height\">3. Bench Height<\/h3>\n\n\n\n<p>Bench height depends on operational scale and burden:<br>Typical range: 1.5 \u2013 4.0 \u00d7 burden, or higher in some cases.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-sub-drilling\">4. Sub-Drilling<\/h3>\n\n\n\n<p>Sub-Drilling ensures complete breakage at the toe, especially important in stratified or dense formations:<br>Flat bedding at toe: 0.0 \u2013 0.1 \u00d7 burden<br>Easy toe: 0.1 \u2013 0.2 \u00d7 burden<br>Medium toe: 0.2 \u2013 0.4 \u00d7 burden<br>Difficult toe (vertical bedding): 0.5 \u00d7 burden<br>General view: (3 to 15) x D<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-5-stemming-column-length\">5. Stemming Column Length<\/h3>\n\n\n\n<p>Stemming retains explosive energy in the hole and controls flyrock:<br>General range: 0.5 \u2013 1.3 \u00d7 burden<br>Increase multiplier for wet holes or if drill cuttings are used<br>Decrease multiplier for dry holes or if angular chips are used<br>For extremely cautious blasting (no throw or flyrock):<br>Use up to 36 \u00d7 hole diameter for stemming<br>Deck delay stemming lengths:<br>Dry holes: 6 \u00d7 hole diameter<br>Wet holes: 12 \u00d7 hole diameter<br>Stemming material size = D\/10 to D\/20<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-6-burden-stiffness-ratio-sr\">6. Burden Stiffness Ratio (Sr)<\/h3>\n\n\n\n<p>=H\/B : 2 to 3.5 good fragmentation<br>&nbsp;Sr&gt; 3.5 very good fragmentation<br>Control Blast design<br>Presplit blasting<br>Spacing = Hole diameter x 12<br>Burden = 0.5 x production blast burden (B)<br>Uncharged length at top = 10 x D<br>Powder factor = 0.5kg per square metre of face<br>Smooth Blasting<br>Spacing = 15 x Hole diameter (hard rock)<br>20 x Hole diameter (soft rock)<br>Burden = 1.25 x Spacing<br>Rock type PF (kg\/m3)<br>Hard 0.7 &#8211; 0.8<br>Medium 0.4 &#8211; 0.5<br>Soft 0.25 &#8211; 0.35<br>Very Soft 0.15 &#8211; 0.2<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusi\u00f3n<\/h3>\n\n\n\n<p>These ratios serve as a starting framework in blast design. Each site\u2019s geological characteristics and performance feedback should guide further optimization. In Part 2, we will explore charge distribution, and initiation to refine blast performance further.<br>Bibliography<br>Dyno Nobel Blasting and Explosives Quick Reference Guide 2010<br>Video credit to <a href=\"https:\/\/www.linkedin.com\/in\/chris-addicott-191823207\/\"><strong>Chris Addicott<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-understanding-the-interaction-between-blast-controllable-parameters-and-explosive-energy-distribution\">Understanding the Interaction between Blast Controllable Parameters and Explosive Energy Distribution<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-part-2\">Part 2<\/h3>\n\n\n\n<p>In surface and underground mining operations, achieving optimal fragmentation and downstream efficiency depends largely on how well explosive energy is distributed throughout the blast zone (Zhang et al., 2023). For drilling and blasting engineers, this distribution is not random, it is directly influenced by the status of controllable blast parameters.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/04\/Video-2.mp4\"><\/video><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-hole-diameter-and-burden-spacing\">1. Hole Diameter and Burden\/Spacing<\/h3>\n\n\n\n<p>The size of the blasthole plays a central role in determining the energy per unit volume of rock (powder factor). Larger holes allow for higher explosive loading, but without proper adjustment of burden and spacing, energy may either vent prematurely or be insufficient to break the rock mass effectively. A well-balanced burden and spacing ensures that the explosive energy is confined and directed where it is most effective within the rock&#8217;s natural weaknesses.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-stemming-length-and-type\">2. Stemming Length and Type<\/h3>\n\n\n\n<p>Stemming acts as a confinement mechanism, and its length determines how much energy is retained to do useful work (fragmentation) versus lost to the atmosphere (airblast and flyrock). Too short a stemming column leads to excessive energy release upwards, reducing breakage efficiency. The stemming material also matters; inert and high-friction materials retain energy better than loose or damp fill.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-explosive-type-and-density\">3. Explosive Type and Density<\/h3>\n\n\n\n<p>Different explosives have varying detonation velocities and energy outputs. Choosing an explosive with suitable characteristics for the rock type and desired fragmentation outcome ensures that the energy is neither excessive (leading to fines and overbreak) nor insufficient (resulting in boulders and poor fragmentation). Additionally, the density of the explosive affects how much energy is loaded per unit of borehole length.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-initiation-sequence-and-timing-delays\">4. Initiation Sequence and Timing Delays<\/h3>\n\n\n\n<p>The sequence and timing of detonation determine how energy is transferred between holes and how the rock mass reacts dynamically. Proper delay timing ensures effective burden relief and sequential rock movement, promoting efficient energy transfer and reducing the risk of airblast and ground vibration.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-conclusion-0\">Conclusi\u00f3n<\/h3>\n\n\n\n<p>Blast controllable parameters are not isolated design factors, they work in concert to shape how explosive energy is distributed and utilized.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-things-to-know-about-wipfrag\">Things to Know About WipFrag<\/h3>\n\n\n\n<p>WipFrag 4 is a powerful image analysis tool used to assess blast results by evaluating particle size distribution from blast muckpiles images. It helps determine fragmentation quality, boulder presence, and crusher compatibility. With tools like specification envelope, Edit Assist, and autoscale, WipFrag 4 supports continuous blast monitoring and optimization, enhancing productivity and reducing oversize-related costs.<br>Click <strong><a href=\"https:\/\/wipware.com\/es\/get-wipfrag\/\">HERE<\/a> <\/strong>to download and learn on the demo for free.<br><br>&#8220;Blast safely with proper PPE&#8221;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-importance-of-bottom-charge-and-energy-distribution-in-blasting\">The Importance of Bottom Charge and Energy Distribution in Blasting<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-part-3\">Part 3<\/h3>\n\n\n\n<p>In surface and underground mining operations, achieving optimal fragmentation through effective blast design is key to operational efficiency. One critical yet often underappreciated aspect of blast design is the bottom charge the portion of explosive placed at the bottom of the blast hole and how it contributes to energy distribution within the rock mass.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/04\/Video-3.mp4\"><\/video><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-bottom-charge\">What is Bottom Charge?<\/h2>\n\n\n\n<p>The bottom charge, also known as the column base charge, is typically a higher-density explosive or a concentrated portion of the total charge placed at the toe of the hole. Its main function is to initiate breakage from the bottom up, ensuring that the entire burden is effectively fractured and displaced.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-it-matters\">Why It Matters<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-crushing-and-fragmentation-at-the-toe\">1. Crushing and Fragmentation at the Toe<\/h3>\n\n\n\n<p>The toe region is the most resistant part of the burden. Without adequate energy at the bottom, poor fragmentation or even toe problems (hard toe) may result. A well-calculated bottom charge ensures that this area receives enough energy to initiate crack formation and propagation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-improved-energy-distribution\">2. Improved Energy Distribution<\/h3>\n\n\n\n<p>Uniform energy distribution along the blast hole is vital. Concentrating more energy at the bottom allows better stress wave propagation, reduces energy loss into air gaps or stemming zones, and leads to more consistent fragmentation throughout the burden.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-reduction-of-fly-rock-and-overbreak\">3. Reduction of Fly Rock and Overbreak<\/h3>\n\n\n\n<p>A well-designed bottom charge reduces uncontrolled energy release at the top of the hole, minimizing fly rock and overbreak. This promotes safer and cleaner operations, especially in populated or infrastructure-sensitive areas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-a-simple-step-by-step-calculation-for-bottom-charge-quantity\">A Simple Step-by-Step Calculation for Bottom Charge Quantity<\/h2>\n\n\n\n<p>1. Determine the hole diameter<br>\u00a0Let\u2019s assume:<br>2. Hole diameter d=102\u2009mm=0.102\u2009m<br>3. Cross-sectional area of the hole (A):<br>A = (pi*d*d)\/4<br>A= 0.00817m^2<br>4. Explosive density (\u03c1): Assuming ANFO \u03c1=850kg\/m^3<br>5. Determine bottom charge length<br>Let\u2019s assume:<br>Bottom charge length (Lb)=1.2\u2009m<br>6. Calculate the bottom charge (mass)<br>Bottom\u00a0charge\u00a0mass=A\u00d7Lb\u200b\u00d7\u03c1=0.00817\u00d71.2\u00d7850\u22488.33\u2009kg<br>What determine the bottom charge length?<strong><br>Rock<\/strong> hardness and strength, Hole diameter, decking strategy, Bench height, Desired fragmentation and toe breakage, Stemming length, Water presence in the hole, Desired throw or displacement, Blast pattern,  geometry, etc. The role of the bottom charge goes beyond merely initiating the blast.<\/p>\n\n\n\n<p>WipFrag enables accurate fragmentation analysis from blast images, providing essential data for evaluating blasting effectiveness. It supports continuous improvement by identifying oversize issues, optimizing blast designs, and ensuring crusher compatibility. With real-time feedback and specification envelopes, it enhances decision-making, and improves overall mine-to-mill performance efficiently.<br>Read a case study paper HERE<br>Video credits to Goran Petrovic<\/p>\n\n\n\n<p><br><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Part 1 Efficient drilling and blasting design is fundamental to achieving optimal rock fragmentation, cost control, and downstream productivity. The first step in designing an effective blast is selecting appropriate geometrical parameters based on rock properties, explosive characteristics, and site-specific conditions. This article introduces initial design ratios that can be used as first approximations [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":7962,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"class_list":["post-7959","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wipfrag"],"acf":{"related_posts":[{"ID":7876,"post_author":"6","post_date":"2025-03-27 13:39:44","post_date_gmt":"2025-03-27 17:39:44","post_content":"<!-- wp:heading {\"textAlign\":\"center\"} -->\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-march-newsletter\">March Newsletter<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-introduction\">Introduction <\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>WipFrag software provides detailed fragmentation analysis through histograms and Particle Size Distribution (PSD) charts. These tools help users assess particle size consistency and shape uniformity, which are critical for optimizing blasting and crushing operations. Two among the key elements in WipFrag analysis are the <strong>histogram<\/strong> and the <strong>sphericity lines<\/strong> on the PSD chart.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-interpreting-the-wipfrag-histogram\">Interpreting the WipFrag Histogram<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>The histogram in WipFrag displays the frequency of particle sizes within specific bins, helping to visualize fragmentation trends. Here\u2019s how to analyze it:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list {\"ordered\":true,\"start\":1} -->\n<ol start=\"1\" class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>X-Axis (Particle Size Ranges):<\/strong> Represents particle size classes based on the sieve analysis standard.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Y-Axis (Frequency or Percentage Passing):<\/strong> Shows the proportion of material in each size class.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Histogram Shape:<\/strong><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>A <strong>normal distribution<\/strong> suggests well-balanced fragmentation.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>A <strong>right-skewed distribution<\/strong> indicates excessive fines.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>A <strong>left-skewed distribution<\/strong> suggests large boulders dominate.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/li>\n<!-- \/wp:list-item --><\/ol>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p>By analyzing the histogram, users can determine whether the blast produced the desired fragmentation or if adjustments are needed in blast parameters.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":7877,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Histogram.png\" alt=\"\" class=\"wp-image-7877\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-understanding-sphericity-lines-on-the-psd-chart\">Understanding Sphericity Lines on the PSD Chart<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Sphericity represents the ratio of <strong>particle length to width<\/strong>, indicating shape uniformity. WipFrag incorporates sphericity lines on the PSD chart to provide insight into particle geometry:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>100% Sphericity:<\/strong> Indicates perfect uniformity (equal length and width).<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>70-90% Sphericity:<\/strong> Represents well-shaped, near-uniform particles, ideal for crushing and handling.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Below 70% Sphericity:<\/strong> Suggests elongated or irregularly shaped particles, which may impact flowability and crusher efficiency.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-why-sphericity-matters\">Why Sphericity Matters<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Higher sphericity (&gt;70%)<\/strong> improves material flow and crusher compatibility.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Lower sphericity (&lt;70%)<\/strong> may cause blockages in crushers and conveyors.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Well-distributed sphericity values<\/strong> indicate a good mix of particle shapes.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p>Interpreting WipFrag histogram and sphericity lines helps assess fragmentation quality and shape uniformity. By understanding these parameters, mine operators can fine-tune their blasting strategies for optimal size distribution and material handling efficiency.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Download WipFrag here: <a href=\"https:\/\/wipware.com\/products\/wipfrag-image-analysis-software\/\">https:\/\/wipware.com\/products\/wipfrag-image-analysis-software\/<\/a><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-how-to-use-wipfrag-for-blasting-quality-control-qc\">How to Use WipFrag for Blasting Quality Control (QC)<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>WipFrag, a leading photoanalysis software, enables real-time fragmentation assessment, helping engineers and operators maintain <strong>blasting quality control (QC)<\/strong> and improve efficiency.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\" id=\"h-step-by-step-guide-to-using-wipfrag-for-blasting-qc\">Step-by-Step Guide to Using WipFrag for Blasting QC<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:list {\"ordered\":true} -->\n<ol class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Image Capture and Data Collection<\/strong><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Capture high-quality images of the blast muck pile using a <strong>UAV (drone), camera, or mobile device<\/strong>.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Ensure proper lighting and image clarity for accurate particle detection.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Use WipFrag\u2019s <strong>Auto Scale feature<\/strong> or place a scale reference in the image for precise measurements.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Image Processing and Fragmentation Analysis<\/strong><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Upload images into WipFrag software.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Use the <strong>Edit Assist tool<\/strong> to refine particle outlines and improve accuracy.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Generate a <strong>Particle Size Distribution (PSD) curve<\/strong> to analyze the fragmentation results.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Assessing Fragmentation with Histograms and PSD Charts<\/strong><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Histogram Analysis:<\/strong> Identify particle size frequency and distribution trends.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Specification Envelope:<\/strong> Compare fragmentation results with the desired range for crusher compatibility.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Sphericity Lines:<\/strong> Assess shape uniformity to ensure good material flow.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Boulder Identification and Oversize Control<\/strong><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Utilize <strong>WipFrag\u2019s Boulder Count tool<\/strong> to detect and quantify oversize particles.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Identify areas where secondary breakage or blasting adjustments are needed.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Continuous Improvement and Optimizaton<\/strong><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Compare multiple blasts using WipFrag\u2019s <strong>Merging Feature<\/strong> to track fragmentation trends.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Adjust blasting parameters (e.g., burden, spacing, explosive charge) based on data insights.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Improve fragmentation efficiency by reducing fines and oversized materials.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/li>\n<!-- \/wp:list-item --><\/ol>\n<!-- \/wp:list -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>WipFrag is a powerful tool for <strong>Blasting QC<\/strong>, enabling operators to measure, analyze, and optimize fragmentation performance. By integrating WipFrag into the blasting workflow, mining professionals can achieve better consistency, reduce operational costs, and enhance overall efficiency.<\/p>\n<!-- \/wp:paragraph -->","post_title":"How to Interpret Histogram and Sphericity Lines on the PSD chart","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"open","post_password":"","post_name":"how-to-interpret-histogram-and-sphericity-lines-on-the-psd-chart","to_ping":"","pinged":"","post_modified":"2025-11-14 12:06:33","post_modified_gmt":"2025-11-14 17:06:33","post_content_filtered":"","post_parent":0,"guid":"https:\/\/wipware.com\/?p=7876","menu_order":0,"post_type":"post","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":7842,"post_author":"6","post_date":"2025-03-25 11:13:02","post_date_gmt":"2025-03-25 15:13:02","post_content":"<!-- wp:paragraph {\"align\":\"center\"} -->\n<p class=\"has-text-align-center\">We've put together some FAQs for WipFrag 4 image acquisition based on questions from our customers.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:yoast\/faq-block {\"questions\":[{\"id\":\"faq-question-1742911855874\",\"question\":[\"I have purchased WipFrag software and have a few questions about the proper acquisition of photographs to be used with this software?\"],\"answer\":[\"For accurate fragmentation analysis with WipFrag, follow these key guidelines when capturing images:\",{\"type\":\"br\",\"props\":{\"children\":[]}},{\"type\":\"em\",\"props\":{\"children\":[{\"type\":\"span\",\"props\":{\"style\":\"text-decoration: underline;\",\"children\":[{\"type\":\"strong\",\"props\":{\"children\":[\"Proper Scaling\"]}}]}}]}},\" \u2013 Use a scale object (e.g., a known-sized object) in each image to ensure accurate measurements unless using auto-scaling.\",{\"type\":\"br\",\"props\":{\"children\":[]}},{\"type\":\"em\",\"props\":{\"children\":[{\"type\":\"span\",\"props\":{\"style\":\"text-decoration: underline;\",\"children\":[{\"type\":\"strong\",\"props\":{\"children\":[\"Good Lighting\"]}}]}}]}},\" \u2013 Avoid shadows and overexposed areas to maintain clear rock particle visibility.\",{\"type\":\"br\",\"props\":{\"children\":[]}},{\"type\":\"em\",\"props\":{\"children\":[{\"type\":\"span\",\"props\":{\"style\":\"text-decoration: underline;\",\"children\":[{\"type\":\"strong\",\"props\":{\"children\":[\"Correct Angle \\u0026 Distance\"]}}]}}]}},\" \u2013Stand at any distance where the biggest particle occupies 20% of the image.\",{\"type\":\"br\",\"props\":{\"children\":[]}},{\"type\":\"em\",\"props\":{\"children\":[{\"type\":\"span\",\"props\":{\"style\":\"text-decoration: underline;\",\"children\":[{\"type\":\"strong\",\"props\":{\"children\":[\"Sufficient Coverage\"]}}]}}]}},\" \u2013 Capture multiple images to represent the entire fragmentation distribution, avoiding overly distant shots. WipFrag has the merging feature to help combine all the images in a single result.\",{\"type\":\"br\",\"props\":{\"children\":[]}},{\"type\":\"em\",\"props\":{\"children\":[{\"type\":\"span\",\"props\":{\"style\":\"text-decoration: underline;\",\"children\":[{\"type\":\"strong\",\"props\":{\"children\":[\"High Resolution\"]}}]}}]}},\" \u2013 Use a good-quality camera to ensure sharp images with clear particle edges.\",{\"type\":\"br\",\"props\":{\"children\":[]}},\"The expert photographers and software designers here at WipWare have put together a helpful and insightful document correctively named \u201cThe Sampling and Analysis Guide\u201d.\",{\"type\":\"br\",\"props\":{\"children\":[]}},\"This document is available in the Products and Services section of the WipWare website (download here: \",{\"type\":\"a\",\"props\":{\"href\":\"https:\/\/wipware.com\/wp-content\/uploads\/2021\/06\/Sampling-and-Analysis-Guide-2021.pdf\",\"children\":[\"https:\/\/wipware.com\/wp-content\/uploads\/2021\/06\/Sampling-and-Analysis-Guide-2021.pdf\"]}},\")\"],\"jsonQuestion\":\"I have purchased WipFrag software and have a few questions about the proper acquisition of photographs to be used with this software?\",\"jsonAnswer\":\"For accurate fragmentation analysis with WipFrag, follow these key guidelines when capturing images:\\u003cbr\/\\u003e\\u003cem\\u003e\\u003cspan style=\\u0022text-decoration: underline;\\u0022\\u003e\\u003cstrong\\u003eProper Scaling\\u003c\/strong\\u003e\\u003c\/span\\u003e\\u003c\/em\\u003e \u2013 Use a scale object (e.g., a known-sized object) in each image to ensure accurate measurements unless using auto-scaling.\\u003cbr\/\\u003e\\u003cem\\u003e\\u003cspan style=\\u0022text-decoration: underline;\\u0022\\u003e\\u003cstrong\\u003eGood Lighting\\u003c\/strong\\u003e\\u003c\/span\\u003e\\u003c\/em\\u003e \u2013 Avoid shadows and overexposed areas to maintain clear rock particle visibility.\\u003cbr\/\\u003e\\u003cem\\u003e\\u003cspan style=\\u0022text-decoration: underline;\\u0022\\u003e\\u003cstrong\\u003eCorrect Angle \\u0026amp; Distance\\u003c\/strong\\u003e\\u003c\/span\\u003e\\u003c\/em\\u003e \u2013Stand at any distance where the biggest particle occupies 20% of the image.\\u003cbr\/\\u003e\\u003cem\\u003e\\u003cspan style=\\u0022text-decoration: underline;\\u0022\\u003e\\u003cstrong\\u003eSufficient Coverage\\u003c\/strong\\u003e\\u003c\/span\\u003e\\u003c\/em\\u003e \u2013 Capture multiple images to represent the entire fragmentation distribution, avoiding overly distant shots. WipFrag has the merging feature to help combine all the images in a single result.\\u003cbr\/\\u003e\\u003cem\\u003e\\u003cspan style=\\u0022text-decoration: underline;\\u0022\\u003e\\u003cstrong\\u003eHigh Resolution\\u003c\/strong\\u003e\\u003c\/span\\u003e\\u003c\/em\\u003e \u2013 Use a good-quality camera to ensure sharp images with clear particle edges.\\u003cbr\/\\u003eThe expert photographers and software designers here at WipWare have put together a helpful and insightful document correctively named \u201cThe Sampling and Analysis Guide\u201d.\\u003cbr\/\\u003eThis document is available in the Products and Services section of the WipWare website (download here: \\u003ca href=\\u0022https:\/\/wipware.com\/wp-content\/uploads\/2021\/06\/Sampling-and-Analysis-Guide-2021.pdf\\u0022\\u003ehttps:\/\/wipware.com\/wp-content\/uploads\/2021\/06\/Sampling-and-Analysis-Guide-2021.pdf\\u003c\/a\\u003e)\"}]} -->\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1742911855874\"><strong class=\"schema-faq-question\">I have purchased WipFrag software and have a few questions about the proper acquisition of photographs to be used with this software?<\/strong> <p class=\"schema-faq-answer\">For accurate fragmentation analysis with WipFrag, follow these key guidelines when capturing images:<br\/><em><span style=\"text-decoration: underline;\"><strong>Proper Scaling<\/strong><\/span><\/em> \u2013 Use a scale object (e.g., a known-sized object) in each image to ensure accurate measurements unless using auto-scaling.<br\/><em><span style=\"text-decoration: underline;\"><strong>Good Lighting<\/strong><\/span><\/em> \u2013 Avoid shadows and overexposed areas to maintain clear rock particle visibility.<br\/><em><span style=\"text-decoration: underline;\"><strong>Correct Angle &amp; Distance<\/strong><\/span><\/em> \u2013Stand at any distance where the biggest particle occupies 20% of the image.<br\/><em><span style=\"text-decoration: underline;\"><strong>Sufficient Coverage<\/strong><\/span><\/em> \u2013 Capture multiple images to represent the entire fragmentation distribution, avoiding overly distant shots. WipFrag has the merging feature to help combine all the images in a single result.<br\/><em><span style=\"text-decoration: underline;\"><strong>High Resolution<\/strong><\/span><\/em> \u2013 Use a good-quality camera to ensure sharp images with clear particle edges.<br\/>The expert photographers and software designers here at WipWare have put together a helpful and insightful document correctively named \u201cThe Sampling and Analysis Guide\u201d.<br\/>This document is available in the Products and Services section of the WipWare website (download here: <a href=\"https:\/\/wipware.com\/wp-content\/uploads\/2021\/06\/Sampling-and-Analysis-Guide-2021.pdf\">https:\/\/wipware.com\/wp-content\/uploads\/2021\/06\/Sampling-and-Analysis-Guide-2021.pdf<\/a>)<\/p> <\/div> <\/div>\n<!-- \/wp:yoast\/faq-block -->\n\n<!-- wp:separator -->\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<!-- \/wp:separator -->\n\n<!-- wp:yoast\/faq-block {\"questions\":[{\"id\":\"faq-question-1742912859972\",\"question\":[\"When is the best time to take pictures of outdoor material?\"],\"answer\":[\"Avoid capturing images early in the morning or late in the evening, as the low sun creates long shadows around particles, particularly oversized ones. This can make it difficult to identify an EDP and increase manual editing time.\",{\"type\":\"br\",\"props\":{\"children\":[]}},\"For optimal results, take images late in the morning or early in the afternoon, especially on overcast days. The even lighting during these times produces soft, uniform shadows, making EDP detection easier and significantly reducing the need for manual adjustments.\"],\"jsonQuestion\":\"When is the best time to take pictures of outdoor material?\",\"jsonAnswer\":\"Avoid capturing images early in the morning or late in the evening, as the low sun creates long shadows around particles, particularly oversized ones. This can make it difficult to identify an EDP and increase manual editing time.\\u003cbr\/\\u003eFor optimal results, take images late in the morning or early in the afternoon, especially on overcast days. The even lighting during these times produces soft, uniform shadows, making EDP detection easier and significantly reducing the need for manual adjustments.\"}]} -->\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1742912859972\"><strong class=\"schema-faq-question\">When is the best time to take pictures of outdoor material?<\/strong> <p class=\"schema-faq-answer\">Avoid capturing images early in the morning or late in the evening, as the low sun creates long shadows around particles, particularly oversized ones. This can make it difficult to identify an EDP and increase manual editing time.<br\/>For optimal results, take images late in the morning or early in the afternoon, especially on overcast days. The even lighting during these times produces soft, uniform shadows, making EDP detection easier and significantly reducing the need for manual adjustments.<\/p> <\/div> <\/div>\n<!-- \/wp:yoast\/faq-block -->\n\n<!-- wp:separator -->\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<!-- \/wp:separator -->\n\n<!-- wp:yoast\/faq-block {\"questions\":[{\"id\":\"faq-question-1742912945204\",\"question\":[\"What is False positive in Image analysis?\"],\"answer\":[\"A false positive occurs when your analysis contains either a fusion or disintegration error. A fusion error happens when two or more particles are mistakenly merged into one, while a disintegration error occurs when a single particle is incorrectly fragmented into multiple pieces.\"],\"jsonQuestion\":\"What is False positive in Image analysis?\",\"jsonAnswer\":\"A false positive occurs when your analysis contains either a fusion or disintegration error. A fusion error happens when two or more particles are mistakenly merged into one, while a disintegration error occurs when a single particle is incorrectly fragmented into multiple pieces.\"}]} -->\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1742912945204\"><strong class=\"schema-faq-question\">What is False positive in Image analysis?<\/strong> <p class=\"schema-faq-answer\">A false positive occurs when your analysis contains either a fusion or disintegration error. A fusion error happens when two or more particles are mistakenly merged into one, while a disintegration error occurs when a single particle is incorrectly fragmented into multiple pieces.<\/p> <\/div> <\/div>\n<!-- \/wp:yoast\/faq-block -->\n\n<!-- wp:separator -->\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<!-- \/wp:separator -->\n\n<!-- wp:yoast\/faq-block {\"questions\":[{\"id\":\"faq-question-1742913099714\",\"question\":[\"What is the recommended way to manually edit analysis on WipFrag?\"],\"answer\":[\"We recommend that you first use the deep learning EDP.\",{\"type\":\"br\",\"props\":{\"children\":[]}},\"To improve the particle delineation, activate the edit assist tool, to show you the 50 biggest particles.\",{\"type\":\"br\",\"props\":{\"children\":[]}},\"1. When you find disintegration errors, you have two options:\",{\"type\":\"br\",\"props\":{\"children\":[]}},\"a. Use the \u2018Lasso Delete \\u0026 Outline\u2019 tool (Tool No. 5) to trace around the entire particle. This tool will delete any net within the shape you drew and will draw net along the line you traced.\",{\"type\":\"br\",\"props\":{\"children\":[]}},\"b. Use the \u2018Block Delete\u2019 tool to quickly delete unnecessary net without deleting the net that is correctly surrounding the particle. This can usually be faster than tracing the entire particle using \u2018Lasso Delete \\u0026 Outline\u2019.\",{\"type\":\"br\",\"props\":{\"children\":[]}},{\"type\":\"img\",\"props\":{\"class\":\"wp-image-7843\",\"style\":\"max-width:100%;\",\"src\":\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Fig2.jpg\",\"alt\":\"Rocks showing edge detection\",\"children\":[]}},{\"type\":\"br\",\"props\":{\"children\":[]}},\"c. When you find a fusion error, use the \u2018Free Draw\u2019 tool to draw a line along missing edges.\",{\"type\":\"br\",\"props\":{\"children\":[]}},\"Simply repeat the above until satisfied.\"],\"jsonQuestion\":\"What is the recommended way to manually edit analysis on WipFrag?\",\"jsonAnswer\":\"We recommend that you first use the deep learning EDP.\\u003cbr\/\\u003eTo improve the particle delineation, activate the edit assist tool, to show you the 50 biggest particles.\\u003cbr\/\\u003e1. When you find disintegration errors, you have two options:\\u003cbr\/\\u003ea. Use the \u2018Lasso Delete \\u0026amp; Outline\u2019 tool (Tool No. 5) to trace around the entire particle. This tool will delete any net within the shape you drew and will draw net along the line you traced.\\u003cbr\/\\u003eb. Use the \u2018Block Delete\u2019 tool to quickly delete unnecessary net without deleting the net that is correctly surrounding the particle. This can usually be faster than tracing the entire particle using \u2018Lasso Delete \\u0026amp; Outline\u2019.\\u003cbr\/\\u003e\\u003cimg class=\\u0022wp-image-7843\\u0022 style=\\u0022max-width:100%;\\u0022 src=\\u0022https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Fig2.jpg\\u0022 alt=\\u0022Rocks showing edge detection\\u0022\/\\u003e\\u003cbr\/\\u003ec. When you find a fusion error, use the \u2018Free Draw\u2019 tool to draw a line along missing edges.\\u003cbr\/\\u003eSimply repeat the above until satisfied.\",\"jsonImageSrc\":\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Fig2.jpg\"}]} -->\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1742913099714\"><strong class=\"schema-faq-question\">What is the recommended way to manually edit analysis on WipFrag?<\/strong> <p class=\"schema-faq-answer\">We recommend that you first use the deep learning EDP.<br\/>To improve the particle delineation, activate the edit assist tool, to show you the 50 biggest particles.<br\/>1. When you find disintegration errors, you have two options:<br\/>a. Use the \u2018Lasso Delete &amp; Outline\u2019 tool (Tool No. 5) to trace around the entire particle. This tool will delete any net within the shape you drew and will draw net along the line you traced.<br\/>b. Use the \u2018Block Delete\u2019 tool to quickly delete unnecessary net without deleting the net that is correctly surrounding the particle. This can usually be faster than tracing the entire particle using \u2018Lasso Delete &amp; Outline\u2019.<br\/><img class=\"wp-image-7843\" style=\"max-width:100%;\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Fig2.jpg\" alt=\"Rocks showing edge detection\"\/><br\/>c. When you find a fusion error, use the \u2018Free Draw\u2019 tool to draw a line along missing edges.<br\/>Simply repeat the above until satisfied.<\/p> <\/div> <\/div>\n<!-- \/wp:yoast\/faq-block -->\n\n<!-- wp:separator -->\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<!-- \/wp:separator -->\n\n<!-- wp:yoast\/faq-block {\"questions\":[{\"id\":\"faq-question-1742913166271\",\"question\":[\"How does WipWare facilitate training for its unique products?\"],\"answer\":[\"WipWare goes above and beyond to ensure that not only customers, but any individual or company who may show interest in a WipWare product has the utmost training and confidence when it comes to utilizing our extensive line of photoanalysis systems. WipWare offers free training to individuals, companies, colleges, and universities interested in learning about our products. We recently conducted on-campus workshops for mining students at Queen\u2019s University (Kingston), Laurentian University (Sudbury), and \u00c9TS University (Montreal). In addition to in-person sessions, we provide virtual training and have a library of training videos available for easy access.\",{\"type\":\"img\",\"props\":{\"class\":\"wp-image-7849\",\"style\":\"max-width:100%;\",\"src\":\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Blessing-at-training-session.jpg\",\"alt\":\"Mining students in photo learning WipFrag\",\"children\":[]}},{\"type\":\"br\",\"props\":{\"children\":[]}},\"For more information about WipWare training please contact \",{\"type\":\"a\",\"props\":{\"href\":\"mailto:support@wipware.com\",\"children\":[\"support@wipware.com\"]}}],\"jsonQuestion\":\"How does WipWare facilitate training for its unique products?\",\"jsonAnswer\":\"WipWare goes above and beyond to ensure that not only customers, but any individual or company who may show interest in a WipWare product has the utmost training and confidence when it comes to utilizing our extensive line of photoanalysis systems. WipWare offers free training to individuals, companies, colleges, and universities interested in learning about our products. We recently conducted on-campus workshops for mining students at Queen\u2019s University (Kingston), Laurentian University (Sudbury), and \u00c9TS University (Montreal). In addition to in-person sessions, we provide virtual training and have a library of training videos available for easy access.\\u003cimg class=\\u0022wp-image-7849\\u0022 style=\\u0022max-width:100%;\\u0022 src=\\u0022https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Blessing-at-training-session.jpg\\u0022 alt=\\u0022Mining students in photo learning WipFrag\\u0022\/\\u003e\\u003cbr\/\\u003eFor more information about WipWare training please contact \\u003ca href=\\u0022mailto:support@wipware.com\\u0022\\u003esupport@wipware.com\\u003c\/a\\u003e\",\"jsonImageSrc\":\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Blessing-at-training-session.jpg\"}]} -->\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1742913166271\"><strong class=\"schema-faq-question\">How does WipWare facilitate training for its unique products?<\/strong> <p class=\"schema-faq-answer\">WipWare goes above and beyond to ensure that not only customers, but any individual or company who may show interest in a WipWare product has the utmost training and confidence when it comes to utilizing our extensive line of photoanalysis systems. WipWare offers free training to individuals, companies, colleges, and universities interested in learning about our products. We recently conducted on-campus workshops for mining students at Queen\u2019s University (Kingston), Laurentian University (Sudbury), and \u00c9TS University (Montreal). In addition to in-person sessions, we provide virtual training and have a library of training videos available for easy access.<img class=\"wp-image-7849\" style=\"max-width:100%;\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Blessing-at-training-session.jpg\" alt=\"Mining students in photo learning WipFrag\"\/><br\/>For more information about WipWare training please contact <a href=\"mailto:support@wipware.com\">support@wipware.com<\/a><\/p> <\/div> <\/div>\n<!-- \/wp:yoast\/faq-block -->\n\n<!-- wp:separator -->\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<!-- \/wp:separator -->\n\n<!-- wp:yoast\/faq-block {\"questions\":[{\"id\":\"faq-question-1742913359896\",\"question\":[\"Can WipFrag 4 be used for simple Drill and Blast simulation?\"],\"answer\":[\"Yes. WipFrag 4 has a module called BlastCast using KCO model for simulation of blast parameters. This model used both controllable and uncontrollable parameters to predict PSD.\",{\"type\":\"br\",\"props\":{\"children\":[]}},{\"type\":\"img\",\"props\":{\"class\":\"wp-image-7850\",\"style\":\"max-width:100%;\",\"src\":\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Underground-analysis-chart.jpg\",\"alt\":\"WipFrag analysis chart, PSD curve, percent passing information\",\"children\":[]}},{\"type\":\"br\",\"props\":{\"children\":[]}},\"The easiest way to obtain particle size distribution data from a photograph is to download WipFrag 4 on your mobile device. Simply open the app, capture an image of the material, analyze it using WipFrag\u2019s advanced processing tools, and receive accurate size distribution results within minutes.\"],\"jsonQuestion\":\"Can WipFrag 4 be used for simple Drill and Blast simulation?\",\"jsonAnswer\":\"Yes. WipFrag 4 has a module called BlastCast using KCO model for simulation of blast parameters. This model used both controllable and uncontrollable parameters to predict PSD.\\u003cbr\/\\u003e\\u003cimg class=\\u0022wp-image-7850\\u0022 style=\\u0022max-width:100%;\\u0022 src=\\u0022https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Underground-analysis-chart.jpg\\u0022 alt=\\u0022WipFrag analysis chart, PSD curve, percent passing information\\u0022\/\\u003e\\u003cbr\/\\u003eThe easiest way to obtain particle size distribution data from a photograph is to download WipFrag 4 on your mobile device. Simply open the app, capture an image of the material, analyze it using WipFrag\u2019s advanced processing tools, and receive accurate size distribution results within minutes.\",\"jsonImageSrc\":\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Underground-analysis-chart.jpg\"}]} -->\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1742913359896\"><strong class=\"schema-faq-question\">Can WipFrag 4 be used for simple Drill and Blast simulation?<\/strong> <p class=\"schema-faq-answer\">Yes. WipFrag 4 has a module called BlastCast using KCO model for simulation of blast parameters. This model used both controllable and uncontrollable parameters to predict PSD.<br\/><img class=\"wp-image-7850\" style=\"max-width:100%;\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/03\/Underground-analysis-chart.jpg\" alt=\"WipFrag analysis chart, PSD curve, percent passing information\"\/><br\/>The easiest way to obtain particle size distribution data from a photograph is to download WipFrag 4 on your mobile device. Simply open the app, capture an image of the material, analyze it using WipFrag\u2019s advanced processing tools, and receive accurate size distribution results within minutes.<\/p> <\/div> <\/div>\n<!-- \/wp:yoast\/faq-block -->\n\n<!-- wp:separator -->\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<!-- \/wp:separator -->\n\n<!-- wp:yoast\/faq-block {\"questions\":[{\"id\":\"faq-question-1742913551077\",\"question\":[\"How can I analysis large blasting with WipFrag 4?\"],\"answer\":[\"There are two methods for analyzing large blasts using WipFrag 4. The first method involves using drone images, where the software generates an orthomosaic from UAV-captured images. \",{\"type\":\"img\",\"props\":{\"class\":\"wp-image-6310\",\"style\":\"max-width:100%;\",\"src\":\"https:\/\/wipware.com\/wp-content\/uploads\/2018\/09\/Blast-orthomosaic-e1633633514351.jpg\",\"alt\":\"orthomosaic image of blasted rock with generated blue net around the particles\",\"children\":[]}},{\"type\":\"br\",\"props\":{\"children\":[]}},\"The second method allows you to capture multiple images and merge them within WipFrag 4, providing an average result across all images for a comprehensive analysis.\"],\"jsonQuestion\":\"How can I analysis large blasting with WipFrag 4?\",\"jsonAnswer\":\"There are two methods for analyzing large blasts using WipFrag 4. The first method involves using drone images, where the software generates an orthomosaic from UAV-captured images. \\u003cimg class=\\u0022wp-image-6310\\u0022 style=\\u0022max-width:100%;\\u0022 src=\\u0022https:\/\/wipware.com\/wp-content\/uploads\/2018\/09\/Blast-orthomosaic-e1633633514351.jpg\\u0022 alt=\\u0022orthomosaic image of blasted rock with generated blue net around the particles\\u0022\/\\u003e\\u003cbr\/\\u003eThe second method allows you to capture multiple images and merge them within WipFrag 4, providing an average result across all images for a comprehensive analysis.\",\"jsonImageSrc\":\"https:\/\/wipware.com\/wp-content\/uploads\/2018\/09\/Blast-orthomosaic-e1633633514351.jpg\"}]} -->\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1742913551077\"><strong class=\"schema-faq-question\">How can I analysis large blasting with WipFrag 4?<\/strong> <p class=\"schema-faq-answer\">There are two methods for analyzing large blasts using WipFrag 4. The first method involves using drone images, where the software generates an orthomosaic from UAV-captured images. <img class=\"wp-image-6310\" style=\"max-width:100%;\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2018\/09\/Blast-orthomosaic-e1633633514351.jpg\" alt=\"orthomosaic image of blasted rock with generated blue net around the particles\"\/><br\/>The second method allows you to capture multiple images and merge them within WipFrag 4, providing an average result across all images for a comprehensive analysis.<\/p> <\/div> <\/div>\n<!-- \/wp:yoast\/faq-block -->\n\n<!-- wp:separator -->\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<!-- \/wp:separator -->\n\n<!-- wp:yoast\/faq-block {\"questions\":[{\"id\":\"faq-question-1742913681957\",\"question\":[\"Can I compare multiple blast results on WipFrag 4?\"],\"answer\":[\"Yes, select all blast images in the WipFrag workspace, click the three dots in the upper corner, and choose \\u0022Merge and View Chart\\u0022 to display the PSD. The software will present all blast PSDs on a single chart for easy comparison.\"],\"jsonQuestion\":\"Can I compare multiple blast results on WipFrag 4?\",\"jsonAnswer\":\"Yes, select all blast images in the WipFrag workspace, click the three dots in the upper corner, and choose \\u0022Merge and View Chart\\u0022 to display the PSD. The software will present all blast PSDs on a single chart for easy comparison.\"}]} -->\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1742913681957\"><strong class=\"schema-faq-question\">Can I compare multiple blast results on WipFrag 4?<\/strong> <p class=\"schema-faq-answer\">Yes, select all blast images in the WipFrag workspace, click the three dots in the upper corner, and choose \"Merge and View Chart\" to display the PSD. The software will present all blast PSDs on a single chart for easy comparison.<\/p> <\/div> <\/div>\n<!-- \/wp:yoast\/faq-block -->\n\n<!-- wp:paragraph {\"align\":\"left\"} -->\n<p class=\"has-text-align-left\">For more information about WipFrag, please visit our <a href=\"https:\/\/www.youtube.com\/@Wipware\"><strong>YouTube<\/strong><\/a> channel. Tutorial videos are available on a variety of WipFrag topics.<\/p>\n<!-- \/wp:paragraph -->","post_title":"WipFrag 4 FAQ!","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"open","post_password":"","post_name":"wipfrag-4-faq","to_ping":"","pinged":"","post_modified":"2025-03-25 13:33:28","post_modified_gmt":"2025-03-25 17:33:28","post_content_filtered":"","post_parent":0,"guid":"https:\/\/wipware.com\/?p=7842","menu_order":0,"post_type":"post","post_mime_type":"","comment_count":"0","filter":"raw"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Drilling and Blasting Charge and Design &#8226; WipWare<\/title>\n<meta name=\"description\" content=\"Efficient drilling and blasting design is fundamental to achieving optimal rock fragmentation, cost control, and downstream productivity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wipware.com\/es\/drilling-and-blasting-charge-and-design\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Drilling and Blasting Charge and Design\" \/>\n<meta property=\"og:description\" content=\"WipWare - Because you can&#039;t manage what you can&#039;t measure. 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