{"id":6203,"date":"2024-04-15T02:25:22","date_gmt":"2024-04-15T02:25:22","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=6203"},"modified":"2024-04-15T02:25:22","modified_gmt":"2024-04-15T02:25:22","slug":"negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/","title":{"rendered":"Negative skin friction A. Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile B. Develops due to lowering of ground water C. Both (A) and (B) D. Neither (A) not (B)"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a9e5331affb8\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Develops due to lowering of ground water                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    Both (A) and (B)                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Neither (A) not (B)                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: <strong>C. Both (A) and (B)<\/strong><\/p>\n<p>Negative skin friction is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile. It develops due to lowering of ground water.<\/p>\n<p>When the ground water level is lowered, the soil above the water table becomes unsaturated. This causes the soil to shrink and consolidate, which in turn causes the soil to move downward relative to the pile. This downward movement of the soil creates a negative skin friction force on the pile.<\/p>\n<p>Negative skin friction can be a significant problem for piles that are used to support structures. If the negative skin friction force is large enough, it can cause the pile to uplift or even fail.<\/p>\n<p>There are a number of ways to mitigate the effects of negative <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> skin friction. One way is to use piles that are designed to resist uplift forces. Another way is to install the piles below the ground water table.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[643],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Negative skin friction A. Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile B. Develops due to lowering of ground water C. Both (A) and (B) D. Neither (A) not (B)<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Negative skin friction A. Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile B. Develops due to lowering of ground water C. Both (A) and (B) D. Neither (A) not (B)\" \/>\n<meta property=\"og:description\" content=\"Join Our Telegram Channel Subscribe on YouTube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:25:22+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Negative skin friction A. Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile B. Develops due to lowering of ground water C. Both (A) and (B) D. Neither (A) not (B)","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/","og_locale":"en_US","og_type":"article","og_title":"Negative skin friction A. Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile B. Develops due to lowering of ground water C. Both (A) and (B) D. Neither (A) not (B)","og_description":"Join Our Telegram Channel Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:25:22+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/","url":"https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/","name":"Negative skin friction A. Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile B. Develops due to lowering of ground water C. Both (A) and (B) D. Neither (A) not (B)","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T02:25:22+00:00","dateModified":"2024-04-15T02:25:22+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/negative-skin-friction-a-is-a-downward-drag-acting-on-a-pile-due-to-downward-movement-of-the-surrounding-compressible-soil-relative-to-the-pile-b-develops-due-to-lowering-of-ground-water-c-both-a\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"Civil engineering","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/"},{"@type":"ListItem","position":4,"name":"Building construction","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/building-construction\/"},{"@type":"ListItem","position":5,"name":"Negative skin friction A. Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile B. Develops due to lowering of ground water C. Both (A) and (B) D. Neither (A) not (B)"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/6203"}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=6203"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/6203\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=6203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=6203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=6203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}