{"id":9761,"date":"2023-02-14T12:08:05","date_gmt":"2023-02-14T12:08:05","guid":{"rendered":"https:\/\/blog.geostru.eu\/crollo-muri-di-sostegno-le-cause\/"},"modified":"2023-02-15T09:45:14","modified_gmt":"2023-02-15T09:45:14","slug":"prabusirea-zidurilor-de-sprijin-cauze","status":"publish","type":"post","link":"https:\/\/blog.geostru.eu\/ro\/prabusirea-zidurilor-de-sprijin-cauze\/","title":{"rendered":"Pr\u0103bu\u0219irea zidurilor de sprijin: cauze"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<\/p>\n<p style=\"text-align: justify\">Pr\u0103bu\u0219irea zidurilor de sprijin poate fi cauzat\u0103 de mai mul\u021bi factori, inclusiv:<\/p>\n<p style=\"text-align: justify\">Instabilitatea solului (GEO): Dac\u0103 solul din jurul zidului este instabil, de exemplu datorit\u0103 mi\u0219c\u0103rilor telurice, acumul\u0103rii de ap\u0103, eroziunii etc<\/p>\n<p style=\"text-align: justify\">Depresiunea structural\u0103 (STR): Dac\u0103 zidul a fost proiectat sau construit incorect, de exemplu cu o stabilitate structural\u0103 inadecvat\u0103 sau cu materiale de slab\u0103 calitate, acesta poate provoca pr\u0103bu\u0219irea zidului.<\/p>\n<p style=\"text-align: justify\">Defecte de \u00eentre\u021binere: Dac\u0103 peretele nu este \u00eentre\u021binut \u0219i monitorizat \u00een mod regulat, acesta se poate deteriora \u00een timp \u0219i poate duce la pr\u0103bu\u0219irea acestuia.<\/p>\n<p style=\"text-align: justify\">\u00cen general, cauza principal\u0103 a pr\u0103bu\u0219irii zidurilor de sprijin este o combina\u021bie a acestor factori.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<h3 style=\"text-align: justify\"><strong>Cum se proiecteaz\u0103 zidurile de sprijin <\/strong><\/h3>\n<p style=\"text-align: justify\">Proiectarea unui zid de sprijin depinde de condi\u021biile specifice ale sitului, inclusiv topografia terenului, zona seismic\u0103, tipul de sol, \u00een\u0103l\u021bimea zidului, sarcina preconizat\u0103 pe zid \u0219i mediul \u00eenconjur\u0103tor.<\/p>\n<p style=\"text-align: justify\">\u00a0\u00cen general, proiectarea urmeaz\u0103 ace\u0219ti pa\u0219i:<\/p>\n<ul>\n<li style=\"text-align: justify\">Evaluarea in situ: Sunt evaluate condi\u021biile in situ, cum ar fi topografia terenului, tipul de sol \u0219i mediul \u00eenconjur\u0103tor.<\/li>\n<li style=\"text-align: justify\">Stabilitatea taluzurilor: Un teren foarte \u00eenclinat poate face construc\u021bia \u0219i stabilitatea zidurilor mai dificil\u0103.<\/li>\n<li style=\"text-align: justify\">Mediul \u00eenconjur\u0103tor: Prezen\u021ba cursurilor de ap\u0103, a vegeta\u021biei sau a altor structuri poate afecta stabilitatea zidului.<\/li>\n<li style=\"text-align: justify\">Alegerea tipului de zid: \u00cen func\u021bie de condi\u021biile de amplasament, este ales cel mai potrivit tip zid de sprijin. Exist\u0103 diferite tipuri de ziduri de sprijin, cum ar fi ziduri a gravit\u0103\u021bii, ziduri din beton armat sau ziduri de p\u0103m\u00e2nt armat.<\/li>\n<li style=\"text-align: justify\">Calculul de lovituri: Sarcina pe care zidul va trebui s\u0103 reziste este calculat\u0103, astfel \u00eenc\u00e2t s\u0103-l dimensioneze corect.<\/li>\n<li style=\"text-align: justify\">Proiectarea structurii: Structura zidului este proiectat\u0103, lu\u00e2nd \u00een considerare cele mai potrivite materiale \u0219i tehnici de construc\u021bie.<\/li>\n<li style=\"text-align: justify\">Verificarea stabilit\u0103\u021bii: Stabilitatea zidului este verificat\u0103 \u00een timpul fazei de proiectare, utiliz\u00e2nd modele de calcul \u0219i simul\u0103ri.<\/li>\n<li style=\"text-align: justify\">Construc\u021bia zidului: Zidul este construit \u00een conformitate cu specifica\u021biile de proiectare, cu o aten\u021bie deosebit\u0103 la compactarea solului.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<h3><strong>Ce verific\u0103ri sunt prev\u0103zute pentru zidurile de sprijin.<\/strong><\/h3>\n<p>\u00cen cazul zidurilor de sprijin sau al altor structuri similare, verific\u0103rile trebuie efectuate cu referire la cel pu\u021bin urm\u0103toarele st\u0103ri limit\u0103:<\/p>\n<ul>\n<li>SLU de tip geotehnic (GEO) \u0219i de echilibrul corpului rigid (EQU):\n<ul>\n<li>stabilitatea general\u0103 a lucr\u0103rilor complexe de sus\u021binere a solului;<\/li>\n<li>alunecare pe suprafa\u021ba de a\u0219ezare;<\/li>\n<li>colaps din cauza sarcinii limit\u0103 a ansamblului funda\u021bie-sol;<\/li>\n<li>r\u0103sturnare.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;9706&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify\">SLU de tip structural (STR):\n<ul>\n<li>ob\u021binerea rezisten\u021bei \u00een elementele structurale.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;9712&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify\">\u00cen orice caz, se asigur\u0103 c\u0103 este \u00eendeplinit\u0103 urm\u0103toarea condi\u021bie:<\/li>\n<\/ul>\n<p style=\"text-align: justify\">Ed \u2264 Rd unde:<\/p>\n<ul style=\"text-align: justify\">\n<li>Ed este valoarea de proiectare a ac\u021biunii sau a efectului ac\u021biunii;<\/li>\n<li>Rd este valoarea de proiectare a rezisten\u021bei sistemului geotehnic.<\/li>\n<\/ul>\n<p style=\"text-align: justify\">Verificarea stabilit\u0103\u021bii generale a complexului suport-sol se efectueaz\u0103 \u00een conformitate cu abordarea 1, combina\u021bia 2 (A2 + M2 + R2), lu\u00e2nd \u00een considerare coeficien\u021bii partiali indica\u021bi \u00een tabelele de standarde pentru ac\u021biunile \u0219i parametrii geotehnici.<\/p>\n<p style=\"text-align: justify\">Verific\u0103rile r\u0103mase se efectueaz\u0103 \u00een conformitate cu cel pu\u021bin una dintre urm\u0103toarele abord\u0103ri, \u021bin\u00e2nd seama de valorile coeficien\u021bilor par\u021biali stabili\u021bi \u00een standardele relevante:<\/p>\n<ul style=\"text-align: justify\">\n<li>Abordare 1: Combina\u021bia 1 (A1 + M1 + R1),<\/li>\n<\/ul>\n<p style=\"text-align: justify\">Combina\u021bia 2 (A2 + M2 + R2);<\/p>\n<ul style=\"text-align: justify\">\n<li>Abordarea 2: (A1 + M1 + R3).<\/li>\n<\/ul>\n<p style=\"text-align: justify\">Starea limit\u0103 de r\u0103sturnare nu prevede mobilizarea rezisten\u021bei fundamentului \u0219i trebuie tratat\u0103 ca o stare limit\u0103 de echilibru rigid al corpului (EQU), folosind coeficien\u021bi par\u021bial pe ac\u021biuni \u0219i folosind coeficien\u021bi par\u021bial din grup (M2) pentru calcularea propulselor.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row bg_type=&#8221;bg_color&#8221; bg_color_value=&#8221;#f7f7f7&#8243;][vc_column width=&#8221;1\/2&#8243;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.gallery-carousel-shortcode.gallery-carousel-shortcode-id-d0195a38100f9ec3da542de9aa4b2146.owl-carousel .owl-nav div {\n  width: 36px;\n  height: 36px;\n  border-radius: 500px;\n}\n.dt-arrow-border-on.gallery-carousel-shortcode.gallery-carousel-shortcode-id-d0195a38100f9ec3da542de9aa4b2146.owl-carousel .owl-nav div:not(:hover):before {\n  border-width: 0px;\n}\n.dt-arrow-hover-border-on.gallery-carousel-shortcode.gallery-carousel-shortcode-id-d0195a38100f9ec3da542de9aa4b2146.owl-carousel .owl-nav div:hover:after {\n  border-width: 0px;\n}\n.gallery-carousel-shortcode.gallery-carousel-shortcode-id-d0195a38100f9ec3da542de9aa4b2146.owl-carousel .owl-nav div.owl-prev {\n  top: 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line-height: 44px;\n  border-radius: 100px;\n  margin: -22px 0 0 -22px;\n  border-width: 0px;\n}\n.dt-icon-bg-on.gallery-carousel-shortcode.gallery-carousel-shortcode-id-d0195a38100f9ec3da542de9aa4b2146.gallery-shortcode .gallery-zoom-ico {\n  background: rgba(255,255,255,0.3);\n  box-shadow: none;\n}\n.gallery-carousel-shortcode.gallery-carousel-shortcode-id-d0195a38100f9ec3da542de9aa4b2146.gallery-shortcode .gallery-zoom-ico:before,\n.gallery-carousel-shortcode.gallery-carousel-shortcode-id-d0195a38100f9ec3da542de9aa4b2146.gallery-shortcode .gallery-zoom-ico span {\n  font-size: 32px;\n  line-height: 44px;\n  color: #ffffff;\n  background: none;\n}<\/style><div class=\"owl-carousel gallery-carousel-shortcode gallery-shortcode  dt-gallery-container dt-owl-carousel-call gallery-carousel-shortcode-id-d0195a38100f9ec3da542de9aa4b2146 quick-scale-img enable-bg-rollover meta-info-off dt-arrow-border-on dt-arrow-hover-border-on bullets-small-dot-stroke reposition-arrows dt-icon-bg-off arrows-bg-on disable-arrows-hover-bg arrows-hover-bg-on  hover-fade \" data-scroll-mode=\"1\" data-col-num=\"1\" data-wide-col-num=\"1\" data-laptop-col=\"1\" data-h-tablet-columns-num=\"1\" data-v-tablet-columns-num=\"1\" data-phone-columns-num=\"1\" data-col-gap=\"10\" data-stage-padding=\"0\" data-speed=\"600\" data-autoplay=\"false\" data-autoplay_speed=\"6000\" data-arrows=\"true\" data-bullet=\"false\" data-next-icon=\"icon-ar-017-r\" data-prev-icon=\"icon-ar-017-l\" data-img-shadow-size=\"12px\" data-img-shadow-spread=\"3px\"><div data-post-id=\"3253\" data-date=\"2021-01-14T10:13:47+00:00\" data-name=\"MDC GEODROPBOX\"><figure class=\"post\"><a href=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/01\/MDC-GEODROPBOX.png\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1920\" data-large_image_height=\"1080\" data-dt-img-description=\"\" title=\"MDC GEODROPBOX\"><img fetchpriority=\"high\" decoding=\"async\" class=\"preload-me owl-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201920%201080&#39;%2F%3E\" data-src=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/01\/MDC-GEODROPBOX.png\" data-srcset=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/01\/MDC-GEODROPBOX.png 1920w\" loading=\"eager\" style=\"--ratio: 1920 \/ 1080\" sizes=\"(max-width: 1920px) 100vw, 1920px\" alt=\"mdc geodropbox muri di sostegno ziduri walls\" width=\"1920\" height=\"1080\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><div data-post-id=\"3145\" data-date=\"2020-12-15T08:38:31+00:00\" data-name=\"mdc_TO_GFAS-1-500x264\"><figure class=\"post\"><a href=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2020\/12\/mdc_TO_GFAS-1-500x264-1.gif\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"500\" data-large_image_height=\"264\" data-dt-img-description=\"\" title=\"mdc_TO_GFAS-1-500&#215;264\"><img decoding=\"async\" class=\"preload-me owl-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20500%20264&#39;%2F%3E\" data-src=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2020\/12\/mdc_TO_GFAS-1-500x264-1.gif\" data-srcset=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2020\/12\/mdc_TO_GFAS-1-500x264-1.gif 500w\" loading=\"eager\" style=\"--ratio: 500 \/ 264\" sizes=\"(max-width: 500px) 100vw, 500px\" alt=\"muri di sostegno mdc ziduri walls\" width=\"500\" height=\"264\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><div data-post-id=\"3261\" data-date=\"2021-01-14T10:21:56+00:00\" data-name=\"RELAZIONE MDC GEODROPBOX\"><figure class=\"post\"><a href=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/01\/RELAZIONE-MDC-GEODROPBOX.png\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1916\" data-large_image_height=\"1080\" data-dt-img-description=\"\" title=\"RELAZIONE MDC GEODROPBOX\"><img decoding=\"async\" class=\"preload-me owl-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201916%201080&#39;%2F%3E\" data-src=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/01\/RELAZIONE-MDC-GEODROPBOX.png\" data-srcset=\"https:\/\/blog.geostru.eu\/wp-content\/uploads\/sites\/9\/2021\/01\/RELAZIONE-MDC-GEODROPBOX.png 1916w\" loading=\"eager\" style=\"--ratio: 1916 \/ 1080\" sizes=\"(max-width: 1916px) 100vw, 1916px\" alt=\"relazione mdc geodropbox muri di sostegno ziduri walls\" width=\"1916\" height=\"1080\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><\/div>[\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h3 class=\"LC20lb MBeuO DKV0Md\" style=\"text-align: justify\"><span style=\"text-decoration: underline\"><span style=\"color: #3b8ced\"><a style=\"color: #3b8ced;text-decoration: underline\" href=\"https:\/\/www.geostru.eu\/shop\/software-ro\/geotehnica-si-geologie\/ziduri-de-sprijin\/?lang=ro\" target=\"_blank\" rel=\"noopener\">Ziduri de sprijin \u2013 MDC<\/a><\/span><\/span><\/h3>\n<p style=\"text-align: justify\" align=\"justify\"><strong>Ziduri de sprijin, MDC<\/strong>: este un produs software destinat proiect\u0103rii \u0219i analizei zidurilor de sprijin din beton armat, cu funda\u021bii directe sau pe pilo\u021bi, \u0219i, op\u021bional, \u00een prezenta ancorajelor.<br \/>\nProgramul realizeaz\u0103 calculul geotehnic folosind, la alegerea utilizatorului, teoriile adoptate \u00een general \u00een geotehnica, efectu\u00e2nd toate verific\u0103rile impuse de normativa aleasa, printre care aceea a stabilit\u0103\u021bii globale, chiar \u0219i \u00een condi\u021bii seismice.<br \/>\nCalculul structural realizeaz\u0103 dimensionarea \u0219i verificarea armaturilor, folosind metoda St\u0103rilor Limita Ultime sau a Tensiunilor Admisibile.<\/p>\n<p>[\/vc_column_text][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;]<a href=\"https:\/\/www.geostru.eu\/shop\/software-ro\/geotehnica-si-geologie\/ziduri-de-sprijin\/?lang=ro\" class=\"btn-shortcode dt-btn-m dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color\" target=\"_blank\" id=\"dt-btn-1\" rel=\"noopener\"><span>Mai multe informa\u021bii<\/span><\/a>[\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;]<a href=\"https:\/\/help.geostru.eu\/mdc\/ro\" class=\"btn-shortcode dt-btn-m dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color\" target=\"_blank\" id=\"dt-btn-2\" rel=\"noopener\"><span>Manual utilizator<\/span><\/a>[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<p style=\"text-align: justify\">Un exemplu este pr\u0103bu\u0219irea a unui zid de sprijin e cel care a avut loc la <a href=\"https:\/\/blog.geostru.eu\/ro\/cosmar-urbanistic-la-cluj-un-zid-de-sprijin-s-a-prabusit-peste-masini\/\" target=\"_blank\" rel=\"noopener\">Cluj-Napoca la sf\u00e2r\u0219itul lunii\u00a0Ianuarie\u00a02023<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text] Pr\u0103bu\u0219irea zidurilor de sprijin poate fi cauzat\u0103 de mai mul\u021bi factori, inclusiv: Instabilitatea solului (GEO): Dac\u0103 solul din jurul zidului este instabil, de exemplu datorit\u0103 mi\u0219c\u0103rilor telurice, acumul\u0103rii de ap\u0103, eroziunii etc Depresiunea structural\u0103 (STR): Dac\u0103 zidul a fost proiectat sau construit incorect, de exemplu cu o stabilitate structural\u0103 inadecvat\u0103 sau cu materiale de&hellip;<\/p>\n","protected":false},"author":16658,"featured_media":9672,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1969,1596,1443,821,1970,817],"tags":[2171,2172,2161,2069,2173,2174,2160],"class_list":["post-9761","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geotehnica-ro","category-ingegneria-2-ro","category-articoli-geotecnica-ro","category-ingegneria-ro","category-proiectare","category-stiri","tag-cluj-napoca-ro","tag-crollo-ro","tag-mdc-ro","tag-muri-di-sostegno-ro","tag-romania-ro","tag-ziduri","tag-ziduri-de-sprijin","category-1969","category-1596","category-1443","category-821","category-1970","category-817","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO 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