{"id":1153,"date":"2026-02-14T20:42:08","date_gmt":"2026-02-14T20:42:08","guid":{"rendered":"https:\/\/gaeatech.com\/wordpress\/?p=1153"},"modified":"2026-03-26T04:42:19","modified_gmt":"2026-03-26T04:42:19","slug":"create-atterberg-limits-test-gaea-gdms","status":"publish","type":"post","link":"https:\/\/gaeatech.com\/knowledge-center\/create-atterberg-limits-test-gaea-gdms\/","title":{"rendered":"How Can I Create an Atterberg Limits (ASTM D2487) Test in GDMS?"},"content":{"rendered":"\n<p>In geotechnical engineering, understanding the &#8220;plasticity&#8221; of fine-grained soils is fundamental for predicting how they will behave under different moisture conditions. GAEA Technologies\u2019&nbsp;<strong><a href=\"https:\/\/www.gaeatech.com\/gdms.php\">Geotechnical Data Management System (GDMS)<\/a><\/strong>, part of the&nbsp;<a href=\"https:\/\/www.gaeatech.com\/gaeasynergy.php\" target=\"_blank\" rel=\"noreferrer noopener\">GaeaSynergy platform<\/a>, simplifies this process by providing a standardized, digital environment for recording and reporting&nbsp;<strong>Atterberg Limits<\/strong>.<\/p>\n\n\n\n<p>While&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.astm.org\/d2487-17.html\">ASTM D2487<\/a>&nbsp;(Unified Soil Classification System) is the overarching standard for&nbsp;<em>classifying<\/em>&nbsp;the soil based on these results, the physical testing typically follows&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.astm.org\/d4318-17e01.html\">ASTM D4318<\/a>&nbsp;procedures. Here is how you can seamlessly manage this test within GDMS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-1-create-a-new-test-for-a-sample\"><strong>Step 1: Create a New Test for a Sample<\/strong><\/h3>\n\n\n\n<p>Within your project, open the relevant sample and create a new&nbsp;<strong>Atterberg Limits<\/strong>&nbsp;test by going to the Geotechnical Tests tab and selecting the test type as Classification. The name and laboratory for the the analysis can also be specified. Then click on the Add button.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"740\" height=\"615\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-30.png\" alt=\"Create a New Test for a Sample\" class=\"wp-image-1154\" srcset=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-30.png 740w, https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-30-300x249.png 300w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Select the Template<\/h3>\n\n\n\n<p>The geotechnical template determines the format and layout for the test results.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"568\" height=\"520\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-31.png\" alt=\"Select the Template\" class=\"wp-image-1155\" srcset=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-31.png 568w, https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-31-300x275.png 300w\" sizes=\"auto, (max-width: 568px) 100vw, 568px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-3-enter-the-test-information\">Step 3. Enter the Test Information<\/h3>\n\n\n\n<p>Enter critical metadata, including the&nbsp;test personnel,&nbsp;verifier, and links to&nbsp;photos&nbsp;of the test specimens if available.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"642\" height=\"567\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-32.png\" alt=\"Enter the Test Information\" class=\"wp-image-1156\" srcset=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-32.png 642w, https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-32-300x265.png 300w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-4-enter-liquid-limit-ll-data\"><strong>Step 4: Enter Liquid Limit (LL) Data<\/strong><\/h3>\n\n\n\n<p>The&nbsp;<strong>Liquid Limit<\/strong>&nbsp;is the moisture content at which soil begins to behave like a liquid.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"642\" height=\"567\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-33.png\" alt=\"Enter Liquid Limit (LL) Data\" class=\"wp-image-1157\" srcset=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-33.png 642w, https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-33-300x265.png 300w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Blow Counts:<\/strong>&nbsp;Record the number of blows (typically between 15 and 35) required for the groove in the&nbsp;<a href=\"https:\/\/www.globalgilson.com\/blog\/atterberg-limits-a-quick-reference-guide\" target=\"_blank\" rel=\"noreferrer noopener\">Casagrande cup<\/a>&nbsp;to close for a distance of 12.7 mm.<\/li>\n\n\n\n<li><strong>Moisture Content:<\/strong>&nbsp;Enter the wet and dry weights for each trial. GDMS will automatically calculate the water content for each blow count.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-5-record-plastic-limit-pl-data\"><strong>Step 5: Record Plastic Limit (PL) Data<\/strong><\/h3>\n\n\n\n<p>The&nbsp;<strong>Plastic Limit<\/strong>&nbsp;is the moisture content where the soil can no longer be rolled into a 3.2 mm (1\/8 in) thread without crumbling.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"642\" height=\"567\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-34.png\" alt=\"Record Plastic Limit (PL) Data\" class=\"wp-image-1158\" srcset=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-34.png 642w, https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-34-300x265.png 300w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enter the mass data for your crumbled soil threads. GDMS typically averages at least two trials to determine the final PL.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-6-automated-calculations-amp-graphing\"><strong>Step 6: Automated Calculations &amp; Graphing<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"642\" height=\"567\" src=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-35.png\" alt=\"Automated Calculations &amp; Graphing\" class=\"wp-image-1159\" srcset=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-35.png 642w, https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/image-35-300x265.png 300w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><\/figure>\n\n\n\n<p>One of the primary benefits of GDMS is its real-time calculation engine.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plasticity Index (PI):<\/strong>&nbsp;The system automatically calculates&nbsp;<img decoding=\"async\" src=\"blob:https:\/\/gaeatech.com\/d5e1b03d-459e-45b4-a5d8-c1f7c58b6238\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><\/semantics><\/math>.<\/li>\n\n\n\n<li><strong>Flow Curve:<\/strong>&nbsp;GDMS generates the semi-logarithmic &#8220;Flow Curve&#8221; (Water Content vs. Log of Blows), identifying the Liquid Limit at exactly 25 blows.<\/li>\n\n\n\n<li><strong>Liquidity &amp; Consistency:<\/strong>&nbsp;If you have entered the natural water content, GDMS can also calculate the&nbsp;<strong>Liquidity Index (LI)<\/strong>&nbsp;and&nbsp;<strong>Consistency Index (CI)<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-7-generate-uscs-classification-reports\"><strong>Step 7: Generate USCS Classification Reports<\/strong><\/h3>\n\n\n\n<p>Based on the LL and PI results, GDMS uses the&nbsp;ASTM D2487&nbsp;criteria to assign the correct&nbsp;<strong>Group Symbol<\/strong>&nbsp;(e.g., CL, CH, ML, MH) and&nbsp;<strong>Group Name<\/strong>. You can then export a professional report featuring:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standardized summary tables and plasticity charts.<\/li>\n\n\n\n<li>Automated headers with your corporate logo and project details.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-summary\"><strong>Summary<\/strong><\/h3>\n\n\n\n<p>Creating an Atterberg Limits test in GDMS transforms a manual, error-prone calculation process into an automated, auditable workflow. By integrating ASTM D2487 classification logic directly into the data entry form, the system ensures your geotechnical reports are accurate, standardized, and ready for submittal.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.gaeatech.com\/gdms.php\">Learn more about GDMS<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-related-articles\">Related Articles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/gaeatech.com\/knowledge-center\/gdms-geotechnical-tests-data-entry-reporting-storage\/\">Entering, Reporting, and Storing Geotechnical Tests in GDMS: A Complete Workflow Tutorial<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/gaeatech.com\/knowledge-center\/how-to-use-project-views-gaea-gdms-geotechnical-tables-charts\/\">How Can I Use Project Views in GDMS to Display Geotechnical Test Tables and Charts?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/gaeatech.com\/knowledge-center\/constant-head-permeability-astm-d2434-gaea-gdms\/\">How Do I Create a Constant Head Permeability Test (ASTM D2434) in GDMS?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/gaeatech.com\/knowledge-center\/create-proctor-compaction-test-gaea-gdms\/\">How Do I Create a Proctor Compaction Test (ASTM D698\/D1557) in GDMS?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/gaeatech.com\/knowledge-center\/how-to-create-sieve-analysis-gaea-gdms\/\">How Can I Perform a Sieve Analysis Using GDMS?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In geotechnical engineering, understanding the &#8220;plasticity&#8221; of fine-grained soils is fundamental for predicting how they will behave under different moisture conditions. GAEA Technologies\u2019&nbsp;Geotechnical Data Management System (GDMS), part of the&nbsp;GaeaSynergy platform, simplifies this process by providing a standardized, digital environment for recording and reporting&nbsp;Atterberg Limits. While&nbsp;ASTM D2487&nbsp;(Unified Soil Classification System) is the overarching standard for&nbsp;classifying&nbsp;the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":91237,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1194,726],"tags":[576,575,573,192,436,574,93],"class_list":["post-1153","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geotechnical-data-management-tutorials","category-training-and-tutorials","tag-astm-d2487","tag-astm-d4318","tag-atterberg-limits","tag-gaea-technologies","tag-gdms","tag-plasticity-index","tag-soil-classification"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Atterberg Limits ASTM D2487 GDMS Explained - Knowledge Center<\/title>\n<meta name=\"description\" content=\"Explore Atterberg Limits ASTM D2487 GDMS for geotechnical data management and streamlined soil testing practices.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gaeatech.com\/knowledge-center\/create-atterberg-limits-test-gaea-gdms\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Can I Create an Atterberg Limits (ASTM D2487) Test in GDMS?\" \/>\n<meta property=\"og:description\" content=\"Explore Atterberg Limits ASTM D2487 GDMS for geotechnical data management and streamlined soil testing practices.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gaeatech.com\/knowledge-center\/create-atterberg-limits-test-gaea-gdms\/\" \/>\n<meta property=\"og:site_name\" content=\"Knowledge Center\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.linkedin.com\/company\/2663277\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-14T20:42:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-26T04:42:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/gaeatech.com\/knowledge-center\/wp-content\/uploads\/2026\/02\/atterberg-limits-test-astm-d2487-gdms.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"GAEA Technologies\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"GAEA Technologies\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/create-atterberg-limits-test-gaea-gdms\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/create-atterberg-limits-test-gaea-gdms\\\/\"},\"author\":{\"name\":\"GAEA Technologies\",\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/#\\\/schema\\\/person\\\/940fb5fed6e95dd9d0ec1370207f5dba\"},\"headline\":\"How Can I Create an Atterberg Limits (ASTM D2487) Test in GDMS?\",\"datePublished\":\"2026-02-14T20:42:08+00:00\",\"dateModified\":\"2026-03-26T04:42:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/create-atterberg-limits-test-gaea-gdms\\\/\"},\"wordCount\":580,\"commentCount\":4,\"publisher\":{\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/create-atterberg-limits-test-gaea-gdms\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/atterberg-limits-test-astm-d2487-gdms.jpg\",\"keywords\":[\"ASTM D2487\",\"ASTM D4318\",\"Atterberg Limits\",\"GAEA Technologies\",\"GDMS\",\"Plasticity Index\",\"soil classification\"],\"articleSection\":[\"Geotechnical Data Management\",\"Training and Tutorials\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/create-atterberg-limits-test-gaea-gdms\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/create-atterberg-limits-test-gaea-gdms\\\/\",\"url\":\"https:\\\/\\\/gaeatech.com\\\/knowledge-center\\\/create-atterberg-limits-test-gaea-gdms\\\/\",\"name\":\"Atterberg Limits ASTM D2487 GDMS Explained - 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