{"id":3458,"date":"2026-11-07T20:47:31","date_gmt":"2026-11-07T20:47:31","guid":{"rendered":"https:\/\/fenzemin.com\/?page_id=3458"},"modified":"2026-11-08T04:44:53","modified_gmt":"2026-11-08T04:44:53","slug":"pile-integrity-testing","status":"publish","type":"page","link":"https:\/\/fenzemin.com\/en\/knowledge-centre\/pile-integrity-testing\/","title":{"rendered":"How to Check Pile Quality"},"content":{"rendered":"\n<div class=\"wp-block-group alignfull fz-home fz-svc is-layout-flow wp-block-group-is-layout-flow\">\n<section class=\"wp-block-group fz-page-hero fz-svc-hero is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group fz-wrap fz-svc-hero-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group fz-svc-hero-text is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-eyebrow wp-block-paragraph\"><a href=\"https:\/\/fenzemin.com\/en\/knowledge-centre\/\">Knowledge Centre<\/a> \u00b7 Guide \u00b7 Pile integrity test and pile quality<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Pile Integrity Test, CSL and Load Test: How to Check Pile Quality<\/h1>\n\n\n\n<p class=\"fz-lead wp-block-paragraph\">A pile integrity test is a quick check that shows whether a finished pile has discontinuities along its length. However, it does not tell you how many tonnes the pile carries. In this guide we compare the pile integrity test with CSL and the load test, and explain which question each one answers.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button fz-btn-primary\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/fenzemin.com\/en\/request-a-quote\/\">Request a Quote<\/a><\/div>\n\n\n\n<div class=\"wp-block-button fz-btn-ghost\"><a class=\"wp-block-button__link wp-element-button\" href=\"tel:+905369327494\">+90 536 932 74 94<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full fz-hero-img fz-hero-svg\"><img decoding=\"async\" data-no-lazy=\"1\" data-skip-lazy=\"1\" src=\"https:\/\/fenzemin.com\/wp-content\/plugins\/fenzemin-core\/assets\/img\/kazik-yukleme-deneyi-en.svg?v=1\" alt=\"Pile integrity test and static load test set-up: reaction beam, jack, load cell, gauges and PIT at the pile head\"\/><figcaption class=\"wp-element-caption\">Pile load test and pile integrity test, schematic drawing<\/figcaption><\/figure>\n<\/div>\n<\/section>\n\n\n\n<section class=\"wp-block-group fz-svc-facts is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group fz-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group fz-keyfacts is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group fz-keyfact is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-keyfact-label wp-block-paragraph\">Topic<\/p>\n\n\n\n<p class=\"fz-keyfact-value wp-block-paragraph\">Pile quality control<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-keyfact is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-keyfact-label wp-block-paragraph\">Reading time<\/p>\n\n\n\n<p class=\"fz-keyfact-value wp-block-paragraph\">About 7 minutes<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-keyfact is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-keyfact-label wp-block-paragraph\">Written by<\/p>\n\n\n\n<p class=\"fz-keyfact-value wp-block-paragraph\">Abdullah \u00c7etinta\u015f, Geological Engineer<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-keyfact is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-keyfact-label wp-block-paragraph\">Updated<\/p>\n\n\n\n<p class=\"fz-keyfact-value wp-block-paragraph\">November 2026<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-keyfact is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-keyfact-label wp-block-paragraph\">Testing by<\/p>\n\n\n\n<p class=\"fz-keyfact-value wp-block-paragraph\">Our testing partner<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-keyfact is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-keyfact-label wp-block-paragraph\">Example<\/p>\n\n\n\n<p class=\"fz-keyfact-value wp-block-paragraph\">Karak\u00f6y: PIT and coring<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n\n\n\n<section class=\"wp-block-group fz-sec fz-svc-main is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group fz-wrap fz-svc-layout is-layout-flow wp-block-group-is-layout-flow\">\n<nav class=\"wp-block-group fz-svc-toc is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-toc-title wp-block-paragraph\">In this guide<\/p>\n\n\n\n<ul class=\"wp-block-list fz-toc-list\">\n<li><a href=\"#what-is-pit\">What is a PIT?<\/a><\/li>\n\n\n\n<li><a href=\"#shows\">What it shows and does not<\/a><\/li>\n\n\n\n<li><a href=\"#csl\">What is CSL?<\/a><\/li>\n\n\n\n<li><a href=\"#load-test\">Load test<\/a><\/li>\n\n\n\n<li><a href=\"#preparation\">Before testing<\/a><\/li>\n\n\n\n<li><a href=\"#faq\">FAQ<\/a><\/li>\n<\/ul>\n<\/nav>\n\n\n\n<div class=\"wp-block-group fz-svc-content is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\" id=\"what-is-pit\">What is a pile integrity test, and how does it work?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PIT stands for pile integrity test; some people also call it a low-strain test. The technician strikes the pile head with a small hand hammer. The blow sends a wave down the pile, and the wave reflects back from changes in section and from the pile toe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An accelerometer on the pile head records these reflections. Then an engineer interprets the signal: an unexpected reflection can point to a neck, a bulge or a discontinuity. Testing one pile takes a few minutes; for this reason, PIT often covers most of the piles on a site.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"shows\">What does a pile integrity test show, and what does it not?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The strength of PIT is speed; its limit, on the other hand, is that it does not measure load. That is because a small blow does not load the ground; it only tells you about the geometry of the pile.<\/p>\n\n\n\n<figure class=\"wp-block-table fz-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Test<\/th><th>What it shows<\/th><th>What it does not show<\/th><\/tr><\/thead><tbody><tr><td>Pile integrity test<\/td><td>Changes in section and signs of discontinuity along the pile<\/td><td>How many tonnes the pile carries<\/td><\/tr><tr><td>CSL (crosshole sonic logging)<\/td><td>The concrete between tubes fixed in advance<\/td><td>The zone outside the tubes in full<\/td><\/tr><tr><td>Static load test<\/td><td>Settlement under load and bearing capacity<\/td><td>The quality of the other piles on its own<\/td><\/tr><tr><td>Coring<\/td><td>The strength of jet grout and DSM columns<\/td><td>The condition of every column<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-group fz-svc-note is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Limits:<\/strong> in very long piles or in high-friction ground the wave fades; as a result, the signal may not show the lower part of the pile clearly. That is why we always read PIT results together with the construction records.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"csl\">What is CSL, and how does it differ from a pile integrity test?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In CSL, steel or plastic tubes go onto the reinforcement cage before concreting, and the concrete fills around them. During the test, a transmitter goes down one tube and a receiver down another; the instrument then measures the speed of the ultrasonic wave through the concrete between them.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CSL therefore shows the concrete inside the pile in more detail along its depth. On the other hand, you have to plan the tubes before construction; you cannot add them later. Also, it does not fully see the zone outside the tubes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"load-test\">When do you need a static load test?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you want to see how many tonnes a pile really carries, you need a load test. A hydraulic jack loads the pile in stages against a reaction beam, while gauges on an independent reference beam read the settlement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This test needs preparation and time; for example, it needs reaction piles or kentledge. So it usually takes place on a few selected piles and goes into the programme from the start. When you need to confirm the design capacity, a PIT cannot replace it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"preparation\">What to do before a pile integrity test<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Whether the test gives a reliable result depends largely on preparation. For example, weak concrete at the top gives a false signal, and a sound pile can then look suspect.<\/p>\n\n\n\n<ol class=\"wp-block-list fz-svc-steps\">\n<li><strong>Waiting time:<\/strong> we wait until the concrete gains enough strength.<\/li>\n\n\n\n<li><strong>Pile head:<\/strong> we break back the weak concrete at the top down to sound concrete.<\/li>\n\n\n\n<li><strong>Cleaning:<\/strong> we level and clean the hammer and sensor points.<\/li>\n\n\n\n<li><strong>Records:<\/strong> we keep each pile&#8217;s length, concrete volume and drilling record ready for the test.<\/li>\n\n\n\n<li><strong>Interpretation:<\/strong> if a result looks suspect, we decide together with the designer.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">On the office building in Karak\u00f6y, we had PIT carried out on the secant piles and cores taken from the jet grout columns. You can read the details on the <a href=\"https:\/\/fenzemin.com\/en\/projects\/karakoy-eren-holding-office-building\/\">Karak\u00f6y project page<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We also explain pile head trimming in a short video. However, the footage may be sample material for educational purposes.<\/p>\n\n\n\n<div class=\"wp-block-group fz-videos fz-videos--svc is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"fz-yt-wrap\"><a class=\"fz-yt\" href=\"https:\/\/www.youtube.com\/watch?v=hstV7mhhteI\" data-id=\"hstV7mhhteI\" data-title=\"Why do we trim bored pile heads?\" aria-label=\"Play video: Why do we trim bored pile heads?\" target=\"_blank\" rel=\"noopener\"><img src=\"https:\/\/i.ytimg.com\/vi\/hstV7mhhteI\/hqdefault.jpg\" alt=\"\" width=\"480\" height=\"360\" loading=\"lazy\" decoding=\"async\"><span class=\"fz-yt-play\" aria-hidden=\"true\"><\/span><\/a><figcaption>Why do we trim bored pile heads?<small>In Turkish; may include sample footage for educational purposes<\/small><\/figcaption><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">You can find all our videos on our <a href=\"https:\/\/www.youtube.com\/@fenzemin\" target=\"_blank\" rel=\"noopener\">YouTube<\/a> and <a href=\"https:\/\/www.instagram.com\/fenzemin\/\" target=\"_blank\" rel=\"noopener\">Instagram<\/a> accounts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">Frequently asked questions about the pile integrity test<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We have collected the questions about pile testing that we hear most often. However, if yours is not here, call us or write through the quote form.<\/p>\n\n\n\n<h3 class=\"wp-block-heading fz-faq-group\">PIT and other tests<\/h3>\n\n\n\n<div class=\"wp-block-group fz-faq-list fz-faq-list--svc is-layout-flow wp-block-group-is-layout-flow\">\n<details class=\"wp-block-details fz-faq is-layout-flow wp-block-details-is-layout-flow\"><summary>Is a pile integrity test mandatory?<\/summary>\n<p class=\"wp-block-paragraph\">The specification and the design decide that. Even so, many specifications include this test, and the client usually asks for it.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details fz-faq is-layout-flow wp-block-details-is-layout-flow\"><summary>Who carries out the pile integrity test?<\/summary>\n<p class=\"wp-block-paragraph\">A specialist testing firm carries out the test; we work with our testing partner. Before the test, however, we prepare the pile heads ourselves.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details fz-faq is-layout-flow wp-block-details-is-layout-flow\"><summary>How many piles need testing?<\/summary>\n<p class=\"wp-block-paragraph\">The specification sets the number. However, because the test is quick, it often covers most of the piles.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details fz-faq is-layout-flow wp-block-details-is-layout-flow\"><summary>What happens if a pile integrity test gives a suspect result?<\/summary>\n<p class=\"wp-block-paragraph\">First, we check the construction records. If needed, we then arrange further tests, for example coring or a load test, and decide together with the designer.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details fz-faq is-layout-flow wp-block-details-is-layout-flow\"><summary>Does a pile integrity test show bearing capacity?<\/summary>\n<p class=\"wp-block-paragraph\">No. A PIT only tells you about the continuity of the pile; for bearing capacity you need a static load test.<\/p>\n<\/details>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-author is-layout-flow wp-block-group-is-layout-flow\">\n<figure class=\"wp-block-image size-medium fz-author-img\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/fenzemin.com\/wp-content\/uploads\/2026\/11\/abdullah-cetintas-jeoloji-muhendisi-300x300.jpg\" alt=\"Abdullah \u00c7etinta\u015f, Geological Engineer, founder of Fen Zemin &#038; \u0130n\u015faat\" class=\"wp-image-3026\" srcset=\"https:\/\/fenzemin.com\/wp-content\/uploads\/2026\/11\/abdullah-cetintas-jeoloji-muhendisi-300x300.jpg 300w, https:\/\/fenzemin.com\/wp-content\/uploads\/2026\/11\/abdullah-cetintas-jeoloji-muhendisi-150x150.jpg 150w, https:\/\/fenzemin.com\/wp-content\/uploads\/2026\/11\/abdullah-cetintas-jeoloji-muhendisi.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group fz-author-body is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-author-name wp-block-paragraph\"><strong>Abdullah \u00c7etinta\u015f<\/strong><\/p>\n\n\n\n<p class=\"fz-author-role wp-block-paragraph\">Geological Engineer \u00b7 Founder, Fen Zemin &amp; \u0130n\u015faat<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In ground engineering and foundations since 2006. This guide draws on the site experience of Abdullah and our team.<\/p>\n\n\n\n<p class=\"fz-author-meta wp-block-paragraph\"><a href=\"https:\/\/www.linkedin.com\/in\/abdullahcetintas\/\" target=\"_blank\" rel=\"noopener\">LinkedIn profile<\/a> \u00b7 Last updated: November 2026<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading fz-sources-title\" id=\"sources\">Sources<\/h2>\n\n\n\n<ul class=\"wp-block-list fz-sources\">\n<li><a href=\"https:\/\/www.fhwa.dot.gov\/engineering\/geotech\/foundations\/\" target=\"_blank\" rel=\"noopener\">FHWA: Deep foundations and pile testing<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/landingpage.bsigroup.com\/LandingPage\/Undated?UPI=000000000019981614\" target=\"_blank\" rel=\"noopener\">EN 1536: Execution of special geotechnical works, bored piles<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n\n\n\n<section class=\"wp-block-group fz-sec fz-sec--soft fz-svc-related is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group fz-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Related pages<\/h2>\n\n\n\n<div class=\"wp-block-group fz-related-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group fz-related-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-related-title wp-block-paragraph\"><a href=\"https:\/\/fenzemin.com\/en\/services\/pile-testing\/\">Pile Testing<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our testing service<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-related-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-related-title wp-block-paragraph\"><a href=\"https:\/\/fenzemin.com\/en\/services\/bored-piles\/\">Bored Piles<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pile construction<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-related-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-related-title wp-block-paragraph\"><a href=\"https:\/\/fenzemin.com\/en\/knowledge-centre\/common-site-mistakes\/\">Common site mistakes<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Including skipping tests<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-related-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-related-title wp-block-paragraph\"><a href=\"https:\/\/fenzemin.com\/en\/services\/jet-grouting\/\">Jet Grouting<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cored columns<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-related-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-related-title wp-block-paragraph\"><a href=\"https:\/\/fenzemin.com\/en\/projects\/karakoy-eren-holding-office-building\/\">Karak\u00f6y project<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PIT and coring<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group fz-related-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"fz-related-title wp-block-paragraph\"><a href=\"https:\/\/fenzemin.com\/en\/knowledge-centre\/\">Knowledge Centre<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">All guides<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n\n\n\n<section class=\"wp-block-group fz-sec fz-cta is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group fz-wrap fz-center is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Talk to us about pile integrity tests and pile testing<\/h2>\n\n\n\n<p class=\"fz-intro wp-block-paragraph\">Send us the specification and the pile schedule. Then let us agree the type, number and timing of the tests together with our partner.<\/p>\n\n\n\n<div class=\"wp-block-buttons fz-center-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button fz-btn-primary\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/fenzemin.com\/en\/request-a-quote\/\">Request a Quote<\/a><\/div>\n\n\n\n<div class=\"wp-block-button fz-btn-dark\"><a class=\"wp-block-button__link wp-element-button\" href=\"tel:+905369327494\">+90 536 932 74 94<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Knowledge Centre \u00b7 Guide \u00b7 Pile integrity test and pile quality Pile Integrity Test, CSL and Load Test: How to Check Pile Quality A pile integrity test is a quick check that shows whether a finished pile has discontinuities along its length. However, it does not tell you how many tonnes the pile carries. In [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3488,"parent":3452,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[],"footnotes":""},"class_list":["post-3458","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pile Integrity Test (PIT) vs CSL and Load Tests<\/title>\n<meta name=\"description\" content=\"What does a pile integrity test show, and what can it not show? How it compares with CSL and static load tests, and how to prepare for it.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fenzemin.com\/en\/knowledge-centre\/pile-integrity-testing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pile Integrity Test (PIT) vs CSL and Load Tests\" \/>\n<meta property=\"og:description\" content=\"What does a pile integrity test show, and what can it not show? 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