{"id":4465,"date":"2025-01-21T15:51:22","date_gmt":"2025-01-21T15:51:22","guid":{"rendered":"https:\/\/infraneo.com\/archive\/?p=4465"},"modified":"2025-01-21T16:15:19","modified_gmt":"2025-01-21T16:15:19","slug":"surveillance-topographique","status":"publish","type":"post","link":"https:\/\/infraneo.com\/archive\/en\/surveillance-topographique\/","title":{"rendered":"Automated Topographic Monitoring of the A86 Highway Retaining Wall: A Precision and Trustworthy Project"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4465\" class=\"elementor elementor-4465\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-12af024 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"12af024\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d50dfb1\" data-id=\"d50dfb1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b18f101 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"b18f101\" 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<h1>Automated Topographic Monitoring of the A86 Highway Retaining Wall: A Precision and Trustworthy Project<\/h1>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e86fef1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e86fef1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1d40c6d\" data-id=\"1d40c6d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-315e0ab text elementor-widget elementor-widget-text-editor\" data-id=\"315e0ab\" 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>As part of the redevelopment works on Avenue de la Commune de Paris in Nanterre, a project to instrument the retaining wall of the A86 highway was entrusted to our team. This operation aims to monitor any potential movements and deformations of the wall, which could be caused by the works carried out in the ZAC des Papeteries.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0587335 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0587335\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7c4afd4\" data-id=\"7c4afd4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a86db47 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a86db47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4634b7a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4634b7a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1b87fce\" data-id=\"1b87fce\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5fbeb4e elementor-widget elementor-widget-text-editor\" data-id=\"5fbeb4e\" 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<h2><span style=\"color: #ff9900;\">A Partnership Based on Trust<\/span><\/h2><p class=\"translation-block\">This project follows a successful first collaboration in 2023 with the same client, <a href=\"https:\/\/semna.fr\/\" target=\"_blank\" rel=\"noopener\">SPLNA\/SEMNA<\/a>, for the inspection and integrity check of the wall's tendons. Under the supervision of CEREMA, this previous mission demonstrated our expertise and helped reinforce the client\u2019s trust, assisted by the <a href=\"https:\/\/berim.fr\/\" target=\"_blank\" rel=\"noopener\">engineering firm B\u00e9rim<\/a>. Building on this success, we were asked to carry out this new project, which has crucial strategic and technical stakes.<\/p><h2><span style=\"color: #ff9900;\">Specifics of the Topographic Monitoring Project<\/span><\/h2><p>The Interdepartmental Directorate of Roads of \u00cele-de-France (DIRIF) requested precise instrumentation of the retaining wall over a 300-meter stretch, between the mosque and the B3\/B4 ramp (Nanterre tunnel). Our intervention focused on setting up an automated monitoring system capable of providing real-time data and detecting even the smallest movements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-61c1dd8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"61c1dd8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2e44f4a\" data-id=\"2e44f4a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b65f02f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b65f02f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9f1457c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9f1457c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2f8d373\" data-id=\"2f8d373\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c088f0d elementor-widget elementor-widget-text-editor\" data-id=\"c088f0d\" 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>Key steps of the project include:<\/strong><\/p><ol><li><p><strong>Preparation and installation<\/strong> :<\/p><ul><li>\u2013 Removal of asbestos cement panels from the face of the wall.<\/li><li>\u2013 Installation of more than 60 monitoring prisms and 5 reference prisms, with one point every 2 to 3 panels of the wall.<\/li><\/ul><\/li><li><p><strong>Setting up the automated system<\/strong> :<\/p><ul><li>\u2013 Installation of an automated LEICA TS15 1\u2019\u2019 R1000 theodolite on a wall mount, powered by 220V and equipped with a modem and battery.<\/li><li>\u2013 Configuration of an acquisition center to collect continuous data.<\/li><\/ul><\/li><li><p><strong>Creating a monitoring platform<\/strong> :<\/p><ul><li>\u2013 Online access for the client, DIRIF, and project managers.<\/li><li>\u2013 Implementation of an SMS and email alert system in case of threshold exceedance.<\/li><\/ul><\/li><\/ol><p>The system, now installed and operational, measures real-time three-dimensional variations with a measurement frequency of once per hour. The dedicated web platform ensures optimal transparency and responsiveness.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3ad835e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ad835e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c02fed7\" data-id=\"c02fed7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1e9271b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1e9271b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e790ffc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e790ffc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4c96933\" data-id=\"4c96933\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-308e81f elementor-widget elementor-widget-text-editor\" data-id=\"308e81f\" 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<h2><span style=\"color: #ff9900;\">A Sustainable Project for Continuous Monitoring<\/span><\/h2><p>The estimated duration of this system is 8 months, starting from the end of January 2025. During this period, we will continue to monitor and analyze the collected data, in collaboration with the stakeholders. This project perfectly illustrates our commitment to topographic monitoring: combining technology, human expertise, and rigor to ensure the safety of infrastructures and users.<\/p><p class=\"translation-block\">For any questions or specific requests regarding our topographic monitoring services, <a href=\"\/archive\/en\/contact\/\" target=\"_self\">feel free to contact us<\/a>!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aebe3dc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aebe3dc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-361de80\" data-id=\"361de80\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-598de5e elementor-button-success elementor-align-center elementor-widget elementor-widget-button\" data-id=\"598de5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.linkedin.com\/company\/infraneo1\/\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Follow us on LinkedIn to stay updated on our latest news.<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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-e97a1dc elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"e97a1dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<i aria-hidden=\"true\" class=\"fab fa-linkedin\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Surveillance topographique automatis\u00e9e du mur de sout\u00e8nement de l\u2019autoroute A86 : un chantier de pr\u00e9cision et de confiance Dans le cadre des travaux de requalification de l\u2019Avenue de la Commune de Paris \u00e0 Nanterre, un projet d\u2019instrumentation du mur de sout\u00e8nement de l\u2019autoroute A86 a \u00e9t\u00e9 confi\u00e9 \u00e0 notre \u00e9quipe. Cette op\u00e9ration vise \u00e0 surveiller [&hellip;]<\/p>","protected":false},"author":5,"featured_media":4470,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-4465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/posts\/4465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/comments?post=4465"}],"version-history":[{"count":5,"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/posts\/4465\/revisions"}],"predecessor-version":[{"id":4471,"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/posts\/4465\/revisions\/4471"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/media\/4470"}],"wp:attachment":[{"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/media?parent=4465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/categories?post=4465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infraneo.com\/archive\/en\/wp-json\/wp\/v2\/tags?post=4465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}