{"id":2643,"date":"2025-09-15T11:54:40","date_gmt":"2025-09-15T09:54:40","guid":{"rendered":"https:\/\/sti2tech.com\/?page_id=2643"},"modified":"2025-09-18T11:38:18","modified_gmt":"2025-09-18T09:38:18","slug":"sti2d-tle-ra-td-n1","status":"publish","type":"page","link":"https:\/\/sti2tech.com\/?page_id=2643","title":{"rendered":"STI2D &#8211; Tle RA &#8211; TD n\u00b03"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2643\" class=\"elementor elementor-2643\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-64ee76e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"64ee76e\" data-element_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-3203d35\" data-id=\"3203d35\" data-element_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-7202244 elementor-widget elementor-widget-heading\" data-id=\"7202244\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">TD n\u00b03 : Etude d'un v\u00e9lodrome<\/h2>\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-50e717a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"50e717a\" data-element_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-5a10044\" data-id=\"5a10044\" data-element_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-7b4fc68 elementor-widget elementor-widget-text-editor\" data-id=\"7b4fc68\" data-element_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>Mise en situation<\/h2><ul><li>Le v\u00e9lodrome Raymond Poulidor, initialement pens\u00e9 comme un \u00e9quipement de plein air, est constitu\u00e9 d\u2019une piste en b\u00e9ton sur remblai pour s\u2019int\u00e9grer au mieux \u00e0 la qualit\u00e9 paysag\u00e8re du site. Apr\u00e8s la r\u00e9alisation et l\u2019utilisation des pistes, le besoin d\u2019une couverture est devenu une \u00e9vidence pour optimiser l\u2019usage de cette structure tout au long de l\u2019ann\u00e9e. Une solution gonflable, commun\u00e9ment appel\u00e9e \u00ab d\u00f4me \u00bb, a \u00e9t\u00e9 privil\u00e9gi\u00e9e d\u2019un point de vue \u00e9conomique et pour r\u00e9pondre efficacement aux contraintes impos\u00e9es par le site en pente.<\/li><li>Malgr\u00e9 la couverture, la piste reste humide de par le ph\u00e9nom\u00e8ne de condensation.<\/li><li>La solution pour \u00e9viter cette condensation, a \u00e9t\u00e9 de d\u00e9shumidifier l\u2019air entrant dans le d\u00f4me et de le r\u00e9chauffer. Le contr\u00f4le de la temp\u00e9rature de l\u2019air, de l\u2019humidit\u00e9 \u00e0 l\u2019int\u00e9rieur et de la temp\u00e9rature du sol permet de r\u00e9gler le probl\u00e8me en s\u2019\u00e9loignant du point de ros\u00e9e.<\/li><\/ul>\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-731a68c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"731a68c\" data-element_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-fe6b259\" data-id=\"fe6b259\" data-element_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-652fb8d elementor-widget elementor-widget-image\" data-id=\"652fb8d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"450\" height=\"210\" src=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.44.17.png\" class=\"attachment-large size-large wp-image-2645\" alt=\"\" srcset=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.44.17.png 450w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.44.17-300x140.png 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/>\t\t\t\t\t\t\t\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-0324595 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0324595\" data-element_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-c75aeff\" data-id=\"c75aeff\" data-element_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-4fedcf5 elementor-widget elementor-widget-text-editor\" data-id=\"4fedcf5\" data-element_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 style=\"font-weight: 400;\"><strong>Partie A : comment maintenir gonfl\u00e9 le d\u00f4me du v\u00e9lodrome tous les jours de l\u2019ann\u00e9e ?<\/strong><\/h2><p style=\"font-weight: 400;\">Trois g\u00e9n\u00e9rateurs d\u2019air chaud plac\u00e9s \u00e0 l\u2019ext\u00e9rieur injectent de l\u2019air neuf dans le volume du d\u00f4me afin de maintenir une pression constante de 300 Pa selon les conditions m\u00e9t\u00e9orologiques. Chaque g\u00e9n\u00e9rateur d\u2019air a un d\u00e9bit disponible maximum de 30 000 m3*h-1. Dans les pires conditions (ouverture des portes lors des acc\u00e8s, temp\u00eates o\u00f9 la pression augmente pour stabiliser le d\u00f4me) un maximum de 105 000 m3*h-1 est requis.<\/p><p style=\"font-weight: 400;\">Une centrale de traitement d\u2019air de secours ultime (35 000 m3*h-1) peut assurer (sans chauffage) un fonctionnement a minima afin de maintenir le d\u00f4me en \u00e9tat.<\/p><p style=\"font-weight: 400;\">Le d\u00e9bit d\u2019air neuf nominal inject\u00e9 toutes portes d\u2019acc\u00e8s ferm\u00e9es est de 24 000 m3*h-1 environ.<\/p><p style=\"font-weight: 400;\">En cas de chute de neige, ou en cas de besoin de monter en temp\u00e9rature du volume du v\u00e9lodrome, les br\u00fbleurs gaz des trois g\u00e9n\u00e9rateurs d\u2019air sont utilis\u00e9s. Ils sont aliment\u00e9s par une cuve de capacit\u00e9 3 tonnes de propane et se mettent en fonctionnement jusqu\u2019\u00e0 une temp\u00e9rature de 10\u00b0C \u00e0 l\u2019int\u00e9rieur du d\u00f4me.<\/p><p style=\"font-weight: 400;\">Un an\u00e9mom\u00e8tre plac\u00e9 \u00e0 l\u2019ext\u00e9rieur de la couverture permet d\u2019adapter le d\u00e9bit d\u2019air pour compenser la pouss\u00e9e du vent sur le d\u00f4me.<\/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-eac290f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"eac290f\" data-element_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-3bcd4b8\" data-id=\"3bcd4b8\" data-element_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-6e1f710 elementor-widget elementor-widget-image\" data-id=\"6e1f710\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"805\" height=\"1024\" src=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.55.44-805x1024.png\" class=\"attachment-large size-large wp-image-2651\" alt=\"\" srcset=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.55.44-805x1024.png 805w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.55.44-236x300.png 236w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.55.44-768x977.png 768w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.55.44.png 1024w\" sizes=\"(max-width: 805px) 100vw, 805px\" \/>\t\t\t\t\t\t\t\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-50dbb6c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"50dbb6c\" data-element_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-50 elementor-top-column elementor-element elementor-element-48c3248\" data-id=\"48c3248\" data-element_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-2d4f062 elementor-widget elementor-widget-image\" data-id=\"2d4f062\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"829\" height=\"1024\" src=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.52.50-829x1024.png\" class=\"attachment-large size-large wp-image-2648\" alt=\"\" srcset=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.52.50-829x1024.png 829w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.52.50-243x300.png 243w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.52.50-768x949.png 768w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.52.50.png 1088w\" sizes=\"(max-width: 829px) 100vw, 829px\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a75f0fb\" data-id=\"a75f0fb\" data-element_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-03578c8 elementor-widget elementor-widget-image\" data-id=\"03578c8\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"770\" height=\"1024\" src=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.53.03-770x1024.png\" class=\"attachment-large size-large wp-image-2649\" alt=\"\" srcset=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.53.03-770x1024.png 770w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.53.03-226x300.png 226w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.53.03-768x1021.png 768w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.53.03.png 1088w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/>\t\t\t\t\t\t\t\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-6b96ff3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6b96ff3\" data-element_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-d48a05b\" data-id=\"d48a05b\" data-element_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-04f0af1 elementor-widget elementor-widget-image\" data-id=\"04f0af1\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"618\" src=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.00-1024x618.png\" class=\"attachment-large size-large wp-image-2652\" alt=\"\" srcset=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.00-1024x618.png 1024w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.00-300x181.png 300w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.00-768x464.png 768w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.00.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\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-39a48fd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"39a48fd\" data-element_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-1a60bb3\" data-id=\"1a60bb3\" data-element_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-8492569 elementor-widget elementor-widget-image\" data-id=\"8492569\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"905\" height=\"1024\" src=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.51-905x1024.png\" class=\"attachment-large size-large wp-image-2653\" alt=\"\" srcset=\"https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.51-905x1024.png 905w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.51-265x300.png 265w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.51-768x869.png 768w, https:\/\/sti2tech.com\/wp-content\/uploads\/2025\/09\/Capture-decran-2025-09-15-a-11.57.51.png 1080w\" sizes=\"(max-width: 905px) 100vw, 905px\" \/>\t\t\t\t\t\t\t\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<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>TD n\u00b03 : Etude d&rsquo;un v\u00e9lodrome Mise en situation Le v\u00e9lodrome Raymond Poulidor, initialement pens\u00e9 comme un \u00e9quipement de plein air, est constitu\u00e9 d\u2019une piste en b\u00e9ton sur remblai pour s\u2019int\u00e9grer au mieux \u00e0 la qualit\u00e9 paysag\u00e8re du site. Apr\u00e8s la r\u00e9alisation et l\u2019utilisation des pistes, le besoin d\u2019une couverture est devenu une \u00e9vidence pour&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"hide","_kad_post_layout":"fullwidth","_kad_post_sidebar_id":"","_kad_post_content_style":"unboxed","_kad_post_vertical_padding":"hide","_kad_post_feature":"hide","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"folder":[17],"class_list":["post-2643","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sti2tech.com\/index.php?rest_route=\/wp\/v2\/pages\/2643","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sti2tech.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sti2tech.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sti2tech.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/sti2tech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2643"}],"version-history":[{"count":8,"href":"https:\/\/sti2tech.com\/index.php?rest_route=\/wp\/v2\/pages\/2643\/revisions"}],"predecessor-version":[{"id":2684,"href":"https:\/\/sti2tech.com\/index.php?rest_route=\/wp\/v2\/pages\/2643\/revisions\/2684"}],"wp:attachment":[{"href":"https:\/\/sti2tech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2643"}],"wp:term":[{"taxonomy":"folder","embeddable":true,"href":"https:\/\/sti2tech.com\/index.php?rest_route=%2Fwp%2Fv2%2Ffolder&post=2643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}