{"id":12781,"date":"2025-11-21T13:04:00","date_gmt":"2025-11-21T12:04:00","guid":{"rendered":"https:\/\/lamarinabj.com\/?p=12781"},"modified":"2025-11-21T07:28:19","modified_gmt":"2025-11-21T06:28:19","slug":"la-snertp-benin-mise-sur-des-etudes-du-sol-pour-garantir-la-solidite-des-futurs-ouvrages","status":"publish","type":"post","link":"https:\/\/lamarinabj.com\/index.php\/2025\/11\/21\/la-snertp-benin-mise-sur-des-etudes-du-sol-pour-garantir-la-solidite-des-futurs-ouvrages\/","title":{"rendered":"La SNERTP B\u00e9nin mise sur des \u00e9tudes du sol pour garantir la solidit\u00e9 des futurs ouvrages"},"content":{"rendered":"\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">Infrastructures, La Marina BJ <\/mark><\/strong>&#8211; <strong><em>Avec l\u2019intensification des investissements publics dans les routes, les ouvrages d\u2019art et l\u2019am\u00e9nagement du territoire, le gouvernement b\u00e9ninois souhaite renforcer la ma\u00eetrise technique du sous-sol avant le lancement des prochains grands chantiers. Selon nos informations, la Soci\u00e9t\u00e9 Nationale d\u2019Essais et de Recherches des Travaux Publics (SNERTP) est d\u00e9sormais autoris\u00e9e \u00e0 d\u00e9ployer un dispositif \u00e9largi d\u2019\u00e9tudes du sol destin\u00e9 \u00e0 mieux encadrer la conception des infrastructures \u00e0 venir.<\/em><\/strong><\/p>\n\n\n\n<p>L\u2019ambition est d\u2019augmenter significativement le volume d\u2019analyses men\u00e9es en amont des projets, afin d\u2019\u00e9valuer avec plus de pr\u00e9cision la capacit\u00e9 des terrains \u00e0 accueillir des ouvrages de grande envergure. Les \u00e9tudes pr\u00e9vues devraient permettre d\u2019identifier, d\u00e8s la phase pr\u00e9paratoire, les zones fragiles, les couches instables, la pr\u00e9sence \u00e9ventuelle de nappes d\u2019eau ou toute autre contrainte g\u00e9ologique pouvant influencer la conception des fondations.<\/p>\n\n\n\n<p>Pour ce faire, les \u00e9quipes techniques de la SNERTP, appuy\u00e9es par des consultants sp\u00e9cialis\u00e9s, envisagent de mobiliser davantage de sondages, d\u2019essais en laboratoire et d\u2019outils de mod\u00e9lisation. L\u2019objectif est d&rsquo;anticiper les risques d\u2019affaissement, d\u2019instabilit\u00e9 ou de tassement diff\u00e9rentiel, souvent responsables de d\u00e9gradations pr\u00e9matur\u00e9es des ouvrages.<\/p>\n\n\n\n<h2 id=\"des-etudes-topographiques-et-geophysique\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">Des \u00e9tudes topographiques et g\u00e9ophysique<\/mark><\/h2>\n\n\n\n<p>Dans la m\u00eame dynamique, la SNERTP \u00e9tudie la possibilit\u00e9 de recourir plus syst\u00e9matiquement \u00e0 des relev\u00e9s topographiques de haute pr\u00e9cision pour fiabiliser la pr\u00e9paration des projets publics. Une meilleure qualit\u00e9 des donn\u00e9es de terrain r\u00e9duirait les erreurs d\u2019implantation et optimiserait les trac\u00e9s, limitant ainsi les ajustements co\u00fbteux en phase de travaux.<\/p>\n\n\n\n<p>La g\u00e9ophysique pourrait \u00e9galement occuper une place plus importante. Les m\u00e9thodes sismiques, \u00e9lectriques ou radar, non intrusives, permettent une lecture fine du sous-sol et la d\u00e9tection de cavit\u00e9s, failles ou variations de densit\u00e9 susceptibles de compromettre la stabilit\u00e9 des futurs ouvrages.<\/p>\n\n\n\n<p>La SNERTP pr\u00e9voit par ailleurs de renforcer les investigations g\u00e9ologiques et hydrog\u00e9ologiques afin d\u2019adapter plus efficacement les projets aux caract\u00e9ristiques physiques des terrains. L\u2019analyse des risques naturels \u2014 glissements, \u00e9rosion, saturation en eau \u2014 devrait \u00eatre davantage int\u00e9gr\u00e9e \u00e0 la pr\u00e9paration des chantiers. Dans certaines zones sensibles, une meilleure compr\u00e9hension des nappes phr\u00e9atiques pourrait permettre de d\u00e9finir des solutions de drainage ou de stabilisation plus robustes avant le d\u00e9marrage des travaux.<\/p>\n\n\n\n<h2 id=\"une-dynamique-orientee-vers-la-qualite-et-la-durabilite\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">Une dynamique orient\u00e9e vers la qualit\u00e9 et la durabilit\u00e9<\/mark><\/h2>\n\n\n\n<p>Pour mener \u00e0 bien cette mont\u00e9e en puissance, la SNERTP b\u00e9n\u00e9ficiera d\u2019un appui financier d\u2019environ 50 millions de francs CFA destin\u00e9 \u00e0 mobiliser quatre consultants sp\u00e9cialis\u00e9s. Selon une source bien inform\u00e9e, cette orientation vise \u00e0 garantir que les infrastructures \u00e0 venir s\u2019appuient sur des donn\u00e9es scientifiques solides et sur une conception adapt\u00e9e aux r\u00e9alit\u00e9s du terrain.<\/p>\n\n\n\n<p>Cette d\u00e9marche s\u2019inscrit pleinement dans la volont\u00e9 de moderniser les m\u00e9thodes de travail, d\u2019\u00e9lever les standards techniques et d\u2019assurer, sur le long terme, la fiabilit\u00e9 et la p\u00e9rennit\u00e9 des ouvrages publics.<\/p>\n","protected":false},"excerpt":{"rendered":"Infrastructures, La Marina BJ &#8211; Avec l\u2019intensification des investissements publics dans les routes, les ouvrages d\u2019art et l\u2019am\u00e9nagement&hellip;\n","protected":false},"author":3,"featured_media":12782,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"standard","csco_appearance_masonry":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"footnotes":""},"categories":[57],"tags":[41,1826],"class_list":{"0":"post-12781","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-a-suivre","8":"tag-benin","9":"tag-la-societe-nationale-dessais-et-de-recherches-des-travaux-publics","10":"cs-entry","11":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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