{"id":5807,"date":"2024-04-15T02:19:06","date_gmt":"2024-04-15T02:19:06","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5807"},"modified":"2024-04-15T02:19:06","modified_gmt":"2024-04-15T02:19:06","slug":"to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/","title":{"rendered":"To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than A. $$\\frac{{\\text{b}}}{3}$$ B. $$\\frac{{\\text{b}}}{4}$$ C. $$\\frac{{\\text{b}}}{5}$$ D. $$\\frac{{\\text{b}}}{6}$$"},"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_6a9c7d5ce7494\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    $$\frac{{\text{b}}}{3}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"true\">\r\n                    $$\frac{{\text{b}}}{4}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    $$\frac{{\text{b}}}{5}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    $$\frac{{\text{b}}}{6}$$                <\/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 $\\boxed{\\frac{{\\text{b}}}{6}}$.<\/p>\n<p>The resultant of the weight of the wall and the pressure exerted by the retained earth should be within the middle third of the base of the retaining wall in order to have pressure wholly compressive under the base. This is because the maximum bending moment occurs when the resultant is located at the edge of the base. If <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            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> the resultant is located within the middle third of the base, the bending moment will be less than the maximum bending moment and the pressure will be wholly compressive.<\/p>\n<p>The eccentricity of the resultant is defined as the distance between the centroid of the base and the line of action of the resultant. The maximum eccentricity that can be tolerated for wholly compressive pressure is $\\frac{{\\text{b}}}{6}$. This is because the maximum bending moment occurs when the resultant is located at the edge of the base, which is $\\frac{{\\text{b}}}{2}$ from the centroid of the base. If the resultant is located within $\\frac{{\\text{b}}}{6}$ of the centroid of the base, the bending moment will be less than the maximum bending moment and the pressure will be wholly compressive.<\/p>\n<p>The other <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> options are incorrect because they are greater than $\\frac{{\\text{b}}}{6}$. If the eccentricity is greater than $\\frac{{\\text{b}}}{6}$, the pressure will not be wholly compressive and there will be a tensile stress at the bottom of the base.<\/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":[640],"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>To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than A. $$\\frac{{\\text{b}}}{3}$$ B. $$\\frac{{\\text{b}}}{4}$$ C. $$\\frac{{\\text{b}}}{5}$$ D. $$\\frac{{\\text{b}}}{6}$$<\/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\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than A. $$\\frac{{\\text{b}}}{3}$$ B. $$\\frac{{\\text{b}}}{4}$$ C. $$\\frac{{\\text{b}}}{5}$$ D. $$\\frac{{\\text{b}}}{6}$$\" \/>\n<meta property=\"og:description\" content=\"Subscribe on YouTube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:19:06+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":"To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than A. $$\\frac{{\\text{b}}}{3}$$ B. $$\\frac{{\\text{b}}}{4}$$ C. $$\\frac{{\\text{b}}}{5}$$ D. $$\\frac{{\\text{b}}}{6}$$","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\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/","og_locale":"en_US","og_type":"article","og_title":"To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than A. $$\\frac{{\\text{b}}}{3}$$ B. $$\\frac{{\\text{b}}}{4}$$ C. $$\\frac{{\\text{b}}}{5}$$ D. $$\\frac{{\\text{b}}}{6}$$","og_description":"Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:19:06+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\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/","url":"https:\/\/exam.pscnotes.com\/mcq\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/","name":"To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than A. $$\\frac{{\\text{b}}}{3}$$ B. $$\\frac{{\\text{b}}}{4}$$ C. $$\\frac{{\\text{b}}}{5}$$ D. $$\\frac{{\\text{b}}}{6}$$","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T02:19:06+00:00","dateModified":"2024-04-15T02:19:06+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/to-have-pressure-wholly-compressive-under-the-base-of-a-retaining-wall-of-width-b-the-resultant-of-the-weight-of-the-wall-and-the-pressure-exerted-by-the-retained-earth-should-have-eccentricity-not\/#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":"Rcc structures design","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/rcc-structures-design\/"},{"@type":"ListItem","position":5,"name":"To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than A. $$\\frac{{\\text{b}}}{3}$$ B. $$\\frac{{\\text{b}}}{4}$$ C. $$\\frac{{\\text{b}}}{5}$$ D. $$\\frac{{\\text{b}}}{6}$$"}]},{"@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\/5807"}],"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=5807"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/5807\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=5807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=5807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=5807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}