{"id":83,"date":"2024-12-27T17:07:44","date_gmt":"2024-12-27T17:07:44","guid":{"rendered":"https:\/\/naege.org\/publications\/?p=83"},"modified":"2024-12-28T18:33:32","modified_gmt":"2024-12-28T18:33:32","slug":"analysis-of-soil-and-environmental-conditions-for-resilient-pavements-in-the-niger-delta","status":"publish","type":"post","link":"https:\/\/naege.org\/publications\/2024\/12\/27\/analysis-of-soil-and-environmental-conditions-for-resilient-pavements-in-the-niger-delta\/","title":{"rendered":"Analysis of Soil and Environmental Conditions for Resilient Pavements in the Niger Delta"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"83\" class=\"elementor elementor-83\">\n\t\t\t\t<div class=\"elementor-element elementor-element-84f38f1 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"84f38f1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-af63876 elementor-widget elementor-widget-text-editor\" data-id=\"af63876\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Authors<\/strong>: <em>Abam, T.K.S., Giadom, F.D. and Abija, F.A.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dee36c elementor-widget elementor-widget-heading\" data-id=\"4dee36c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Abstract<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e3e0f79 elementor-widget elementor-widget-text-editor\" data-id=\"e3e0f79\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The short service life of pavements in the Niger Delta has resulted in high recurrent maintenance cost of roads.<\/p><p>Pavement failures have been attributed to widespread weak, expansive clays and silty soils, which lead to high water table issues and poor drainage without an understanding of the mechanisms involved and an appreciation of the<br \/>adequacy of the codes used in their design. This paper explores the concepts of pavement design, assessing the necessity and functions of individual layers as well as the geological materials they are made of. The paper then identifies the weaknesses in the pavement design culture practiced in Nigeria to include poorly prepared subgrades, use of unsuitable aggregates, insensitivity to the environmental conditions among others. It further investigates the relationship between the distribution of axial load and the thicknesses of pavement layers to identify vulnerabilities particularly in the Niger Delta that can promote pavement failure. It examines the influence of moisture on the attainment of adequate compaction as well as on the resilience of pavements. The paper argues that the extensive weak subgrades and rapid variability of superficial geology such as exist in the Niger Delta demands a review of the national design code to accommodate the peculiarities of the region. To ensure resilient pavements, understanding<br \/>soil and environmental conditions is paramount. This involves integrating soil-structure interaction principles, ground improvement and stabilization techniques, as well as risk assessment methodologies to enhance structural integrity and sustainability of pavements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8cfd629 elementor-widget elementor-widget-pdfjs-viewer\" data-id=\"8cfd629\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"pdfjs-viewer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<iframe width=\"1200\" height=\"900\" src=\"https:\/\/naege.org\/publications\/wp-content\/plugins\/pdfjs-viewer-for-elementor\/\/assets\/js\/pdfjs\/web\/viewer.html?file=https:\/\/naege.org\/publications\/wp-content\/uploads\/2024\/12\/3_ABAM-JEGER_V1-2024_14-Pages_pp21-34.pdf\"><\/iframe>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Authors: Abam, T.K.S., Giadom, F.D. and Abija, F.A. Abstract The short service life of pavements in the Niger Delta has resulted in high recurrent maintenance cost of roads. Pavement failures have been attributed to widespread weak, expansive clays and silty soils, which lead to high water table issues and poor drainage without an understanding of the mechanisms involved and an appreciation of theadequacy of the codes used in their design. This paper explores the concepts of pavement design, assessing the necessity and functions of individual layers as well as the geological materials they are made of. The paper then identifies the weaknesses in the pavement design culture practiced in Nigeria to include poorly prepared subgrades, use of unsuitable aggregates, insensitivity to the environmental conditions among others. It further investigates the relationship between the distribution of axial load and the thicknesses of pavement layers to identify vulnerabilities particularly in the Niger Delta that can promote pavement failure. It examines the influence of moisture on the attainment of adequate compaction as well as on the resilience of pavements. The paper argues that the extensive weak subgrades and rapid variability of superficial geology such as exist in the Niger Delta demands a review of the national design code to accommodate the peculiarities of the region. To ensure resilient pavements, understandingsoil and environmental conditions is paramount. This involves integrating soil-structure interaction principles, ground improvement and stabilization techniques, as well as risk assessment methodologies to enhance structural integrity and sustainability of pavements.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","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":"default","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":""}},"footnotes":""},"categories":[6,8],"tags":[],"class_list":["post-83","post","type-post","status-publish","format-standard","hentry","category-engineering-geology","category-environmental"],"_links":{"self":[{"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/posts\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/comments?post=83"}],"version-history":[{"count":8,"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":307,"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/posts\/83\/revisions\/307"}],"wp:attachment":[{"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/media?parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/categories?post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/naege.org\/publications\/wp-json\/wp\/v2\/tags?post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}