{"id":1981,"date":"2020-03-14T19:15:02","date_gmt":"2020-03-14T18:15:02","guid":{"rendered":"https:\/\/www.opus-dry.it\/diagnostica\/"},"modified":"2024-03-06T11:04:34","modified_gmt":"2024-03-06T10:04:34","slug":"diagnostique","status":"publish","type":"page","link":"https:\/\/www.opus-dry.fr\/diagnostique\/","title":{"rendered":"Diagnostique"},"content":{"rendered":"<p>[vc_row row_type=\u00a0\u00bbrow_full_center_content\u00a0\u00bb padding_top=\u00a0\u00bb0&Prime; padding_bottom=\u00a0\u00bb0&Prime;][vc_column][vc_column_text]Nous avons vu dans la section \u00ab\u00a0L&rsquo;HUMIDIT\u00c9 \/ LES DOMMAGES QU&rsquo;ELLE CAUSE\u00a0\u00bb quels sont les probl\u00e8mes les plus courants qui se manifestent dans les b\u00e2timents : <strong>accumulation et cristallisation de sels<\/strong> due au transport de contaminants depuis les sols humides, <strong>d\u00e9collement de l&rsquo;enduit<\/strong>, pr\u00e9sence de <strong>biod\u00e9t\u00e9riorants<\/strong> (mousses, lichens) dans les ma\u00e7onneries ext\u00e9rieures, pr\u00e9sence de <strong>moisissures<\/strong> dans celles int\u00e9rieures, <strong>condensation<\/strong> dans les murs froids et mal isol\u00e9s, <strong>infiltrations d&rsquo;eau<\/strong> pour plusieurs raisons dues tant \u00e0 la d\u00e9gradation des structures qu&rsquo;\u00e0 des causes accidentelles. Donc, m\u00eame en se concentrant uniquement sur les plus r\u00e9currents, les probl\u00e8mes potentiels sont vraiment nombreux et leur reconnaissance tr\u00e8s compliqu\u00e9e.<\/p>\n<p><strong>L&rsquo;approche correcte pour r\u00e9soudre<\/strong> les diff\u00e9rents probl\u00e8mes caus\u00e9s par l&rsquo;humidit\u00e9 dans les b\u00e2timents est celle d&rsquo;<strong>analyser avec beaucoup de rigueur les manifestations de d\u00e9gradation<\/strong> et de comprendre quelles sont les raisons, individuelles ou li\u00e9es, qui provoquent la d\u00e9t\u00e9rioration.<\/p>\n<p>Surtout dans le cas d&rsquo;une cha\u00eene de causes, l&rsquo;enqu\u00eate diagnostique peut s&rsquo;av\u00e9rer tr\u00e8s complexe et pour ces raisons <strong>elle doit \u00eatre conduite sur la base d&rsquo;un plan d&rsquo;investigation pr\u00e9cis par des professionnels du secteur<\/strong>, avec l&rsquo;aide d&rsquo;outils professionnels.[\/vc_column_text][vc_single_image image=\u00a0\u00bb354&Prime; img_size=\u00a0\u00bbmedium\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb][vc_column_text]Pour mesurer l&rsquo;humidit\u00e9 dans un mur ou dans un enduit, il y a deux diff\u00e9rentes m\u00e9thodes d&rsquo;approche :<\/p>\n<ul>\n<li><strong>M\u00e9thode qualitative,<\/strong> o\u00f9 l&rsquo;on d\u00e9termine la pr\u00e9sence d&rsquo;humidit\u00e9 et sa concentration.<\/li>\n<li><strong>M\u00e9thode quantitative,<\/strong> o\u00f9 l&rsquo;on mesure exactement la quantit\u00e9 d&rsquo;humidit\u00e9 pr\u00e9lev\u00e9e dans l&rsquo;\u00e9chantillon.<\/li>\n<\/ul>\n<p>Selon les normes internationales ISO 9001:2015 et UNI, il existe deux types d&rsquo;enqu\u00eates \u00e0 mener :<\/p>\n<ul>\n<li><strong>Enqu\u00eates non destructives, <\/strong>celles avec lesquelles on ne brise ou n&rsquo;enl\u00e8ve rien de la ma\u00e7onnerie.<\/li>\n<li><strong>Enqu\u00eates invasives, <\/strong>celles avec lesquelles il faut n\u00e9cessairement pr\u00e9lever des \u00e9chantillons d&rsquo;enduit ou autre, percer des trous dans le mur, etc.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row row_type=\u00a0\u00bbrow_full_center_content\u00a0\u00bb][vc_column][vc_tta_tabs style=\u00a0\u00bbflat\u00a0\u00bb shape=\u00a0\u00bbsquare\u00a0\u00bb color=\u00a0\u00bbpurple\u00a0\u00bb spacing=\u00a0\u00bb10&Prime; gap=\u00a0\u00bb15&Prime; alignment=\u00a0\u00bbcenter\u00a0\u00bb active_section=\u00a0\u00bb1&Prime; no_fill_content_area=\u00a0\u00bbtrue\u00a0\u00bb][vc_tta_section i_icon_fontawesome=\u00a0\u00bbfa fa-chevron-circle-down\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb title=\u00a0\u00bbEnqu\u00eates non destructives\u00a0\u00bb tab_id=\u00a0\u00bbenquetes-non-destructives\u00a0\u00bb][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1584210603669{margin-bottom: 40px !important;}\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/6&Prime;][vc_single_image image=\u00a0\u00bb533&Prime; img_size=\u00a0\u00bbmedium\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb5\/6&Prime;][vc_column_text]<strong>HYGROM\u00c8TRE \u00c9LECTRONIQUE \u00c0 CONTACT<\/strong><\/p>\n<ul>\n<li>Mesure l&rsquo;humidit\u00e9 instantan\u00e9ment, par contact avec la surface \u00e0 analyser.<\/li>\n<li>L&rsquo;humidit\u00e9 est calcul\u00e9e en fonction de la r\u00e9sistance \u00e9lectrique offerte par la ma\u00e7onnerie entre deux \u00e9lectrodes.<\/li>\n<li>C&rsquo;est un test <strong>pas tr\u00e8s pr\u00e9cis<\/strong>, mais il est rapide et non destructif; c&rsquo;est l&rsquo;outil le plus utilis\u00e9 sur le chantier.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1584210626785{margin-bottom: 40px !important;}\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/6&Prime;][vc_single_image image=\u00a0\u00bb377&Prime; img_size=\u00a0\u00bbmedium\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb5\/6&Prime;][vc_column_text]<strong>HYGROM\u00c8TRE DIGITAL \u00c0 HAUTE FR\u00c9QUENCE<\/strong><\/p>\n<ul>\n<li>C&rsquo;est une technologie avanc\u00e9e r\u00e9cemment introduite sur le march\u00e9, bas\u00e9e sur l&rsquo;examen des ondes \u00e9lectromagn\u00e9tiques inductives.<\/li>\n<li>Permet une estimation pr\u00e9cise de l&rsquo;humidit\u00e9 jusqu&rsquo;\u00e0 une <strong>profondeur de plus de 50 millim\u00e8tres<\/strong>!<\/li>\n<li>Permet une mesure <strong>instantan\u00e9e et non invasive<\/strong> (sans percer le mur).<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1584210642600{margin-bottom: 40px !important;}\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/6&Prime;][vc_single_image image=\u00a0\u00bb370&Prime; img_size=\u00a0\u00bbmedium\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb5\/6&Prime;][vc_column_text]<strong>CAM\u00c9RA INFRAROUGE<\/strong><\/p>\n<ul>\n<li>Mesure la temp\u00e9rature de la ma\u00e7onnerie gr\u00e2ce aux radiations infrarouges.<\/li>\n<li>L&rsquo;humidit\u00e9 est calcul\u00e9e en <strong>fonction de la temp\u00e9rature superficielle<\/strong> du corps ma\u00e7onn\u00e9.<\/li>\n<li>C&rsquo;est l&rsquo;outil le plus sophistiqu\u00e9 (et le plus co\u00fbteux) mais permet d&rsquo;effectuer avec pr\u00e9cision des <strong>enqu\u00eates \u201ccompl\u00e8tes\u201d sur des murs entiers<\/strong> en peu de temps.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section i_icon_fontawesome=\u00a0\u00bbfa fa-chevron-circle-down\u00a0\u00bb add_icon=\u00a0\u00bbtrue\u00a0\u00bb title=\u00a0\u00bbEnqu\u00eates invasives\u00a0\u00bb tab_id=\u00a0\u00bbenquetes-invasives\u00a0\u00bb][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1584210603669{margin-bottom: 40px !important;}\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/6&Prime;][vc_single_image image=\u00a0\u00bb381&Prime; img_size=\u00a0\u00bbmedium\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb5\/6&Prime;][vc_column_text]<strong>HYGROM\u00c8TRE AU CARBURE<\/strong><\/p>\n<ul>\n<li>Bas\u00e9 sur la r\u00e9action entre le Carbure de Calcium (CaC2) et l&rsquo;eau (d\u00e9gage rapidement de l&rsquo;ac\u00e9tyl\u00e8ne).<\/li>\n<li>L&rsquo;humidit\u00e9 est estim\u00e9e en fonction de la <strong>pression d\u00e9velopp\u00e9e<\/strong> par la r\u00e9action chimique du r\u00e9actif avec l&rsquo;eau contenue dans la ma\u00e7onnerie.<\/li>\n<li>C&rsquo;est un <strong>test pr\u00e9cis<\/strong>, mais il est laborieux et \u201c<strong>destructif<\/strong>\u201d (il faut physiquement pr\u00e9lever un \u00e9chantillon de la ma\u00e7onnerie, l&rsquo;ins\u00e9rer dans le mesureur et le broyer).<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1584210603669{margin-bottom: 40px !important;}\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/6&Prime;][vc_single_image image=\u00a0\u00bb384&Prime; img_size=\u00a0\u00bbmedium\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb5\/6&Prime;][vc_column_text]<strong>M\u00c9THODE POND\u00c9RALE<\/strong><\/p>\n<ul>\n<li>Mesure l&rsquo;humidit\u00e9 r\u00e9elle \u00e0 travers l&rsquo;analyse de la diff\u00e9rence de poids entre un \u00e9chantillon humide et le m\u00eame \u00e9chantillon parfaitement s\u00e9ch\u00e9.<\/li>\n<li>Permet une <strong>mesure absolue et tr\u00e8s pr\u00e9cise<\/strong>, \u00e0 n&rsquo;importe quelle profondeur, m\u00eame au centre du mur.<\/li>\n<li>C&rsquo;est la technologie la plus fiable parmi celles pr\u00e9sentes sur le march\u00e9, mais n\u00e9cessite le pr\u00e9l\u00e8vement d&rsquo;un \u00e9chantillon sur place (<strong>mesure destructive<\/strong>).<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][\/vc_tta_tabs][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row row_type=\u00a0\u00bbrow_full_center_content\u00a0\u00bb padding_top=\u00a0\u00bb0&Prime; padding_bottom=\u00a0\u00bb0&Prime;][vc_column][vc_column_text]Nous avons vu dans la section \u00ab\u00a0L&rsquo;HUMIDIT\u00c9 \/ LES DOMMAGES QU&rsquo;ELLE CAUSE\u00a0\u00bb quels sont les probl\u00e8mes les plus &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Diagnostique - OpusDry<\/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.opus-dry.fr\/diagnostique\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diagnostique - OpusDry\" \/>\n<meta property=\"og:description\" content=\"[vc_row row_type=\u00a0\u00bbrow_full_center_content\u00a0\u00bb padding_top=\u00a0\u00bb0&Prime; 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