{"id":6305,"date":"2023-11-25T19:50:34","date_gmt":"2023-11-25T18:50:34","guid":{"rendered":"https:\/\/www.labexpin.com\/portfolio-items\/leve-topographique-altimetrique\/"},"modified":"2025-05-11T17:58:28","modified_gmt":"2025-05-11T15:58:28","slug":"leve-topographique-altimetrique","status":"publish","type":"avada_portfolio","link":"https:\/\/www.labexpin.com\/fr\/portfolio-items\/leve-topographique-altimetrique\/","title":{"rendered":"Lev\u00e9 topographique altim\u00e9trique"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0px;--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1216.8px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-overflow:hidden;--awb-bg-blend:overlay;--awb-bg-size:cover;--awb-border-color:var(--awb-color1);--awb-border-style:solid;--awb-border-radius:15px 15px 15px 15px;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:25px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-margin-top-medium:0px;--awb-spacing-right-medium:1.92%;--awb-margin-bottom-medium:0px;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-margin-top-small:10px;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-text-color:var(--awb-color5);--awb-margin-bottom:40px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-font-size:var(--awb-custom_typography_1-font-size);\"><h1 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"font-family:var(--awb-custom_typography_1-font-family);font-weight:var(--awb-custom_typography_1-font-weight);font-style:var(--awb-custom_typography_1-font-style);margin:0;letter-spacing:var(--awb-custom_typography_1-letter-spacing);text-transform:var(--awb-custom_typography_1-text-transform);font-size:1em;--fontSize:40;line-height:var(--awb-custom_typography_1-line-height);\">Lev\u00e9 topographique altim\u00e9trique<\/h1><\/div><div class=\"fusion-text fusion-text-1\" style=\"--awb-content-alignment:justify;--awb-font-size:var(--awb-typography4-font-size);--awb-line-height:var(--awb-typography4-line-height);--awb-letter-spacing:var(--awb-typography4-letter-spacing);--awb-text-transform:var(--awb-typography4-text-transform);--awb-text-color:var(--awb-color6);--awb-text-font-family:var(--awb-typography4-font-family);--awb-text-font-weight:var(--awb-typography4-font-weight);--awb-text-font-style:var(--awb-typography4-font-style);\"><p>R\u00e9alisation de lev\u00e9 altim\u00e9trique au moyen d\u2019un niveau optique de pr\u00e9cision submillim\u00e9trique et mire invar. Le relev\u00e9 altim\u00e9trique est effectu\u00e9 pour d\u00e9finir en d\u00e9tail l&rsquo;altim\u00e9trie d&rsquo;un site, \u00e0 l&rsquo;int\u00e9rieur ou \u00e0 l&rsquo;ext\u00e9rieur d&rsquo;un b\u00e2timent, et est particuli\u00e8rement utile pour d\u00e9finir une image des affaissements diff\u00e9rentiels du sol au niveau d&rsquo;un b\u00e2timent historique d&rsquo;une certaine taille, ou pour agir en tant qu&rsquo;activit\u00e9 de surveillance des affaissements des sols s&rsquo;il est effectu\u00e9 \u00e0 nouveau \u00e0 des intervalles de temps pr\u00e9d\u00e9termin\u00e9s. Enfin, cette m\u00e9thode de mesure est utilis\u00e9e dans le cas d&rsquo;essais de charge lorsque la zone intradosale de la surface horizontale soumise \u00e0 charge n&rsquo;est pas accessible et qu&rsquo;il est n\u00e9cessaire de lire les d\u00e9flexions absolues op\u00e9rant uniquement \u00e0 partir de l&rsquo;extrados. Dans le cas d&rsquo;un suivi altim\u00e9trique, il est bon de prendre comme r\u00e9f\u00e9rence de mesure un point situ\u00e9 en dehors de la plage des d\u00e9placements potentiels, consid\u00e9r\u00e9 comme un point fixe, afin de compenser les \u00e9ventuelles erreurs de mesure.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-background-position:left top;--awb-border-sizes-top:0px;--awb-border-sizes-bottom:0px;--awb-border-sizes-left:0px;--awb-border-sizes-right:0px;--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0px;--awb-padding-bottom:0px;--awb-background-color:var(--awb-color2);--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1216.8px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-blend:overlay;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-section-separator section-separator big-half-circle fusion-section-separator-1\" style=\"--awb-spacer-height:99px;--awb-svg-margin-left:1.92%;--awb-svg-margin-right:1.92%;--awb-svg-margin-left-medium:1.92%;--awb-svg-margin-right-medium:1.92%;--awb-svg-margin-left-small:1.92%;--awb-svg-margin-right-small:1.92%;--awb-divider-height:99px;--awb-spacer-padding-top:inherit;--awb-sep-padding:0;--awb-svg-padding:0;\"><div class=\"fusion-section-separator-svg\"><svg class=\"fusion-big-half-circle-candy\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" width=\"100%\" height=\"100\" viewBox=\"0 0 100 100\" preserveAspectRatio=\"none\" fill=\"rgba(255,255,255,1)\"><path d=\"M0 0 C55 180 100 0 100 0 Z\"><\/path><\/svg><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\"><\/div><\/div><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:80px;width:100%;\"><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":6306,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"portfolio_category":[],"portfolio_skills":[136],"portfolio_tags":[],"class_list":["post-6305","avada_portfolio","type-avada_portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_skills-releves-sondages-et-inspections"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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