{"id":13461,"date":"2026-08-10T12:39:08","date_gmt":"2026-08-10T09:39:08","guid":{"rendered":"https:\/\/localhost\/wordpress\/?post_type=product&#038;p=13461"},"modified":"2026-09-08T16:02:06","modified_gmt":"2026-09-08T13:02:06","slug":"laboratory-vane-shear-apparatus","status":"publish","type":"product","link":"https:\/\/www.liyatest.com.tr\/en\/urun\/laboratory-vane-shear-apparatus\/","title":{"rendered":"Laboratory Vane Shear Apparatus"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221; woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]<\/p>\n<div class=\"qMYqUG_convSearchResultHighlightRoot\">\n<div class=\"\" data-turn-id-container=\"request-6a75ed18-4744-83eb-98c0-ebcbcefa6ce9-7\" data-is-intersecting=\"true\">\n<section class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a75ed18-4744-83eb-98c0-ebcbcefa6ce9-7\" data-turn-id-container=\"request-6a75ed18-4744-83eb-98c0-ebcbcefa6ce9-7\" data-testid=\"conversation-turn-34\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"18b93344-3796-4861-901a-430bb4ed623b\" data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-6-thinking\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\">\n<h2 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3288\" data-end=\"3333\">What Is a Laboratory Vane Shear Apparatus?<\/h2>\n<p data-start=\"3335\" data-end=\"3594\">The <strong data-start=\"3339\" data-end=\"3374\">Laboratory Vane Shear Apparatus<\/strong> is designed to determine the undrained shear strength of soft, saturated and cohesive fine-grained soils. The method is particularly useful when specimens are too soft or sensitive for conventional specimen preparation.<\/p>\n<p data-start=\"3596\" data-end=\"3816\">During testing, a vane is inserted into the soil specimen and rotated at a controlled rate. The torque required to cause shear failure is measured. This value is then used to estimate the soil&#8217;s undrained shear strength.<\/p>\n<p data-start=\"3818\" data-end=\"4097\">ASTM <strong data-start=\"3823\" data-end=\"3843\">D4648\/D4648M-24a<\/strong> specifically covers laboratory miniature vane testing of saturated fine-grained cohesive clay and silt soils. The method is intended primarily for soils with undrained shear strength below approximately <strong data-start=\"4047\" data-end=\"4058\">100 kPa<\/strong>.<\/p>\n<h2 data-start=\"4099\" data-end=\"4144\">12.7 mm Square Vane and Calibrated Springs<\/h2>\n<p data-start=\"4146\" data-end=\"4244\">The standard configuration uses a <strong data-start=\"4180\" data-end=\"4210\">12.7 \u00d7 12.7 mm square vane<\/strong> together with calibrated springs.<\/p>\n<p data-start=\"4246\" data-end=\"4409\">The selected spring reacts to the torque applied during rotation. This allows the operator to determine the load required to produce shear failure in the specimen.<\/p>\n<p data-start=\"4411\" data-end=\"4613\">Similar laboratory vane systems based on the original UK Transport and Road Research Laboratory design also use a 12.7 mm square vane and calibrated torque springs.<\/p>\n<h2 data-start=\"4615\" data-end=\"4650\">Direct and Sampling Tube Testing<\/h2>\n<p data-start=\"4652\" data-end=\"4775\">Testing can be performed directly on a prepared soil specimen. Alternatively, the sample can remain inside a sampling tube.<\/p>\n<p data-start=\"4777\" data-end=\"4987\">Attachments for <strong data-start=\"4793\" data-end=\"4830\">\u00d838 mm and \u00d8100 mm sampling tubes<\/strong> allow the apparatus to accommodate different laboratory sample configurations. This arrangement can reduce unnecessary specimen disturbance before the test.<\/p>\n<h2 data-start=\"4989\" data-end=\"5019\">Manual and Motorized Models<\/h2>\n<p data-start=\"5021\" data-end=\"5105\">Liya Test offers the <strong data-start=\"5042\" data-end=\"5067\">LT-S0100 manual model<\/strong> and the <strong data-start=\"5076\" data-end=\"5104\">LT-S0102 motorized model<\/strong>.<\/p>\n<p data-start=\"5107\" data-end=\"5433\">The motorized arrangement provides controlled vane rotation. The BS configuration uses approximately <strong data-start=\"5208\" data-end=\"5221\">6\u201312\u00b0\/min<\/strong>, while the ASTM laboratory vane configuration uses approximately <strong data-start=\"5287\" data-end=\"5301\">60\u201390\u00b0\/min<\/strong>. These speed ranges are consistent with established laboratory vane equipment configurations.<\/p>\n<h2 data-start=\"5435\" data-end=\"5462\">ASTM D4648 and BS 1377-7<\/h2>\n<p data-start=\"5464\" data-end=\"5556\">The correct ASTM reference for this product family is <strong data-start=\"5518\" data-end=\"5539\">ASTM D4648\/D4648M<\/strong>, not ASTM D6951.<\/p>\n<p data-start=\"5558\" data-end=\"5726\">ASTM D6951 covers the <strong data-start=\"5580\" data-end=\"5639\">Dynamic Cone Penetrometer used in pavement applications<\/strong>, so it should be removed from this product page.<\/p>\n<p data-start=\"5728\" data-end=\"5884\">BS 1377-7 also includes a laboratory vane procedure for determining the shear strength of soft to firm cohesive soils.<\/p>\n<p data-start=\"5886\" data-end=\"6095\">Overall, the <strong data-start=\"5899\" data-end=\"5934\">Laboratory Vane Shear Apparatus<\/strong> provides a compact and practical method for assessing the undrained shear strength of soft cohesive soils using either manual or controlled motorized operation.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">STANDART:\u00a0 <\/span><\/strong><em><span dir=\"auto\" style=\"vertical-align: inherit;\">ASTM D6951<\/span><\/em><\/p>\n<p><strong>LT-S0100\u00a0 \u00a0 \u00a0 <\/strong><em>Laboratory Vane Shear Apparatus<\/em><\/p>\n<p><strong>LT-S0102\u00a0 \u00a0 \u00a0 <\/strong><em>Laboratory Vane Shear Apparatus<\/em><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":11845,"template":"","meta":[],"product_brand":[],"product_cat":[161,166],"product_tag":[],"class_list":["post-13461","product","type-product","status-publish","has-post-thumbnail","product_cat-soil","product_cat-soil-mechanics","first","instock","shipping-taxable","product-type-grouped"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Laboratory Vane Shear Apparatus | Manual &amp; Motorized | Liya Test<\/title>\n<meta name=\"description\" content=\"Laboratory Vane Shear Apparatus for rapid undrained shear strength testing of soft cohesive soils with manual and motorized models.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.liyatest.com.tr\/en\/urun\/laboratory-vane-shear-apparatus\/\" \/>\n<meta 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