{"id":31475,"date":"2020-06-26T15:27:45","date_gmt":"2020-06-26T13:27:45","guid":{"rendered":"https:\/\/www.uretek.ch\/?p=31475"},"modified":"2020-06-26T15:31:15","modified_gmt":"2020-06-26T13:31:15","slug":"nyon-surelevation-de-deux-immeubles-familiaux","status":"publish","type":"post","link":"https:\/\/www.uretek.ch\/fr\/nyon-surelevation-de-deux-immeubles-familiaux\/","title":{"rendered":"Nyon: Sur\u00e9l\u00e9vation de deux immeubles familiaux"},"content":{"rendered":"<section class=\"l-section wpb_row height_auto\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Sur la base des informations tir\u00e9es des plans d\u2019\u00e9poque, notre bureau a \u00e9tabli un projet de sur\u00e9l\u00e9vation des b\u00e2timents en \u00abstructures l\u00e9g\u00e8res\u00bb compos\u00e9es d\u2019une \u00adossature m\u00e9tallique portante \u00e0 cadres \u00admultiples, supportant les planchers en bois. L\u2019augmentation des charges \u00e0 reprendre par les fondations existantes varie entre 20 et 60 kN\/m (2 \u00e0 6 t\/m<sup>2<\/sup>).<\/p>\n<p>Des sondages, effectu\u00e9s en octobre 2012, ont \u00e9t\u00e9 demand\u00e9s afin de v\u00e9rifier les \u00addimensions des fondations. Contrairement aux indications figurant sur les plans \u00e0 notre disposition, les b\u00e2timents sont fond\u00e9s sur des murs d\u00e9pourvus de semelles enterr\u00e9s d\u2019environ 35\u2009\u2013\u200940 cm d\u2019\u00e9paisseur.<\/p>\n<p>Compte tenu de la mauvaise qualit\u00e9 du terrain, mise en \u00e9vidence par des sondages g\u00e9otechniques et de l\u2019absence de semelles, la sur\u00e9l\u00e9vation des immeubles a n\u00e9cessit\u00e9 des travaux compl\u00e9mentaires au niveau des fondations afin de garantir la stabilit\u00e9 de l\u2019ouvrage.<\/p>\n<p><strong>Diverses options ont \u00e9t\u00e9 envisag\u00e9es:<\/strong><\/p>\n<ul>\n<li>renforcement des fondations existantes avec des micropieux<\/li>\n<li>r\u00e9alisation de colonnes inject\u00e9es (jetting) sous les murs porteurs<\/li>\n<li>reconstruction d\u2019un radier en sous-\u0153uvre<\/li>\n<li>am\u00e9lioration des sols sous les murs par injection de r\u00e9sine expansive<\/li>\n<\/ul>\n<p>Apr\u00e8s analyse technique et financi\u00e8re, c\u2019est la solution d\u2019am\u00e9lioration des sols par injections de r\u00e9sine expansive sous les murs porteurs, propos\u00e9e par la soci\u00e9t\u00e9 URETEK Schweiz AG, qui a \u00e9t\u00e9 retenue.<\/p>\n<p><strong>Les avantages de cette technique sont nombreux:<\/strong><\/p>\n<ul>\n<li>co\u00fbts globaux moindres que pour les autres solutions envisag\u00e9es<\/li>\n<li>rapidit\u00e9 d\u2019ex\u00e9cution<\/li>\n<li>outillage peu encombrant, adapt\u00e9 pour travailler dans les sous-sols des b\u00e2timents<\/li>\n<li>aucune d\u00e9molition lourde n\u2019est n\u00e9cessaire dans les sous-sols: peu de bruit<\/li>\n<li>travaux peu salissants<\/li>\n<li>efficacit\u00e9 imm\u00e9diate de l\u2019injection<\/li>\n<\/ul>\n<p>L\u2019exp\u00e9rience faite avec l\u2019entreprise URETEK s\u2019est av\u00e9r\u00e9e tr\u00e8s enrichissante. Le per\u00adsonnel mis \u00e0 disposition \u00e9tait comp\u00e9tent et fiable. Les travaux se sont d\u00e9roul\u00e9s dans les d\u00e9lais impartis et le cadre budg\u00e9taire n\u2019a pas \u00e9t\u00e9 d\u00e9pass\u00e9.<\/p>\n<p><strong>Luca Bortolotti<br \/>\n<\/strong>Ing\u00e9nieur civil HES<br \/>\nJean-Paul Cruchon et associ\u00e9s SA<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-6 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"300\" height=\"57\" src=\"https:\/\/www.uretek.ch\/wp-content\/uploads\/2016\/07\/mra_steiner_logo.gif\" class=\"attachment-full size-full\" alt=\"\" loading=\"lazy\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-6 vc_hidden-sm vc_hidden-xs wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><\/div><div class=\"w-separator size_medium\"><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-6 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><div data-fancybox='gallery' data-options='{\"touch\":false,\"thumb\":\"https:\\\/\\\/www.uretek.ch\\\/wp-content\\\/uploads\\\/2020\\\/04\\\/splash_video_nyon.jpg\"}' id=\"fv_flowplayer_1ede54de82885e3907513214a31f0231_lightbox_starter\" title='Nyon: augmentation de la portance du sous-sol de fondation avant la sur\u00e9l\u00e9vation du b\u00e2timent' href=\"#wpfp_1ede54de82885e3907513214a31f0231_container\" class=\"flowplayer lightbox-starter no-brand is-splash is-paused skin-custom no-svg fp-slim fp-edgy\" data-button-no_picture=\"1\" style=\"position:relative; 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max-width: 800px; max-height: 450px; \" data-fullscreen=\"false\" data-ratio=\"0.5625\">\n\t<div class=\"fp-ratio\" style=\"padding-top: 56.25%\"><\/div>\n\t<img decoding=\"async\" class=\"fp-splash\" alt=\"Nyon: augmentation de la portance du sous-sol de fondation avant la sur\u00e9l\u00e9vation du b\u00e2timent\" src=\"https:\/\/www.uretek.ch\/wp-content\/uploads\/2020\/04\/splash_video_nyon.jpg\" style=\"position:absolute;top:0;width:100%\" \/>\n\t<div class=\"fp-ui\"><noscript>Please enable JavaScript<\/noscript><div class=\"fp-play fp-visible\"><svg class=\"fp-play-sharp-fill\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 100 100\"><defs><style>.fp-color-play{opacity:0.65;}.controlbutton{fill:#fff;}<\/style><\/defs><title>play-sharp-fill<\/title><path class=\"fp-color-play\" d=\"M49.9217-.078a50,50,0,1,0,50,50A50.0564,50.0564,0,0,0,49.9217-.078Z\"\/><polygon class=\"controlbutton\" points=\"73.601 50 37.968 70.573 37.968 29.427 73.601 50\" filter=\"url(#f1)\"\/><\/svg><\/div><div class=\"fp-preload\"><b><\/b><b><\/b><b><\/b><b><\/b><\/div><\/div>\n\n<\/div>\n<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-6 vc_hidden-sm vc_hidden-xs wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><\/div><div class=\"w-separator size_medium\"><\/div><div class=\"w-btn-wrapper align_justify\"><a class=\"w-btn us-btn-style_5 icon_atleft\" href=\"https:\/\/www.uretek.ch\/fr\/projet-de-reference\/immeubles-d-habitation-nyon\/\"><i class=\"fas fa-chevron-right\"><\/i><span class=\"w-btn-label\">Rapport complet<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"Sur la base des informations tir\u00e9es des plans d\u2019\u00e9poque, notre bureau a \u00e9tabli un projet de sur\u00e9l\u00e9vation des b\u00e2timents en \u00abstructures l\u00e9g\u00e8res\u00bb compos\u00e9es d\u2019une \u00adossature m\u00e9tallique portante \u00e0 cadres \u00admultiples, supportant les planchers en bois. L\u2019augmentation des charges \u00e0 reprendre par les fondations existantes varie entre 20 et 60 kN\/m (2 \u00e0 6 t\/m2). Des...","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[409],"tags":[],"class_list":["post-31475","post","type-post","status-publish","format-standard","hentry","category-testimonials-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nyon: Sur\u00e9l\u00e9vation de deux immeubles familiaux &#187; URETEK Schweiz AG<\/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:\/\/www.uretek.ch\/fr\/nyon-surelevation-de-deux-immeubles-familiaux\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nyon: Sur\u00e9l\u00e9vation de deux immeubles familiaux &#187; URETEK Schweiz AG\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.uretek.ch\/fr\/nyon-surelevation-de-deux-immeubles-familiaux\/\" \/>\n<meta property=\"og:site_name\" content=\"URETEK Schweiz AG\" \/>\n<meta property=\"article:published_time\" content=\"2020-06-26T13:27:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-06-26T13:31:15+00:00\" \/>\n<meta name=\"author\" content=\"rb\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"rb\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.uretek.ch\/fr\/nyon-surelevation-de-deux-immeubles-familiaux\/\",\"url\":\"https:\/\/www.uretek.ch\/fr\/nyon-surelevation-de-deux-immeubles-familiaux\/\",\"name\":\"Nyon: Sur\u00e9l\u00e9vation de deux immeubles familiaux &#187; 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