{"id":259,"date":"2023-02-07T12:48:54","date_gmt":"2023-02-07T10:48:54","guid":{"rendered":"https:\/\/dirigadesantier.ro\/?p=259"},"modified":"2023-06-06T13:52:56","modified_gmt":"2023-06-06T11:52:56","slug":"un-cutremur-un-dezastru","status":"publish","type":"post","link":"https:\/\/dirigadesantier.ro\/?p=259","title":{"rendered":"Un cutremur = un dezastru"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0219a cum probabil a\u021bi auzit deja de pe toate canalele de \u0219tiri, un cutremur cu magnitudinea de 7.8 grade pe scara Richter s-a produs \u00een Turcia. Efectele unui astfel de cutremur urmat de at\u00e2t de multe replici sunt tot ceea ce poate defini un dezastru. \u0218i in Romania putem discuta despre c\u00e2teva cutremure memorabile \u00een urma c\u0103rora a fost \u00eendreptat\u0103 aten\u021bia c\u0103tre normativele de proiectare a cl\u0103dirilor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2nd a ap\u0103rut primul semn de \u00eentrebare?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Efectele cutremurul din 1977 au adus c\u00e2teva modific\u0103ri importante cu privire la condi\u021biile de proiectare, aceste reglement\u0103ri fiind introduse \u00een noul Normativ de proiectare P100-78, urmat de o variant\u0103 \u00eembun\u0103t\u0103\u021bit\u0103 \u00een Normativul P-100-81.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen normativele anteriore, valoarea for\u021belor seismice de proiectare pentru structurile \u0219i elementele nestructurale din zid\u0103rie este mult inferioar\u0103 cerin\u021belor Normativului P100-1\/2013, ceea ce eviden\u021biaza in mod clar necesitatea de reabilitare \u0219i consolidare a cl\u0103dirilor construite \u00een acea perioad\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Construc\u021biile noi \u00ee\u021bi ofer\u0103 mai mult\u0103 siguran\u021b\u0103?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cu toate aceste variante \u00eembun\u0103t\u0103\u021bite ale Normativelor se pare c\u0103 inginerii au reu\u0219it s\u0103 rezolve partea de proiectare a cl\u0103dirilor, acestea fiind mai rezistente \u00een caz de cutremur. Dar nu este suficient ca aceste solutii sa fie desenate doar pe hartie \u00een Proiectul Tehnic, ele trebuie respectate \u00een totalitate \u00een faza de execu\u021bie a construc\u021biei. De aceea g\u0103l\u0103gioasele replici pe care le auzim foarte des prin \u0219antier \u201c este prea mult fier dom\u2019 inginer\u2026\u2026\u201d sau \u201cce at\u00e2ta beton ca nu fac bunc\u0103r aici\u2026.\u201d&nbsp; trebuie ignorate in totalitate. \u00cen cazul \u00een care se dore\u0219te o reducere a costurilor singura \u0219i cea mai bun\u0103 variant\u0103 este s\u0103 se apeleze la un inginer proiectant pentru a face o optimizare a proiectului, caz in care este posibil acest aspect. Foarte important este ca \u00eentreaga execu\u021bie s\u0103 fie urm\u0103rit\u0103 \u0219i verificat\u0103 de c\u0103tre un&nbsp;Diriginte de \u0219antier autorizat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O mic\u0103 economie de materiale f\u0103cut\u0103, f\u0103r\u0103 s\u0103 afecteze structural construc\u021bia, aduce o bucurie pe moment \u0219i te g\u00e2nde\u0219ti c\u0103 ai f\u0103cut o \u201cmare afacere\u201d, dar \u00een cazul unui cutremur casa ta poate suferii degrad\u0103ri semnificative \u00een elementele nestructurale \u0219i \u00een finisaje, la care mai adaugi \u0219i disconfortul creat rezult\u00e2nd calcule care \u00eent\u0103resc ideea c\u0103 nu a fost o afacere tocmai bun\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen concluzie putem spune ca pentru a realiza o construc\u021bie care s\u0103 \u00ee\u021bi ofere o mai mare siguran\u021b\u0103 \u00een caz de cutremur, pa\u0219ii de urmat sunt urm\u0103torii:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proiectarea respect\u0103 normativele \u00een vigoare<\/li>\n\n\n\n<li>Execu\u021bia respect\u0103 \u00eentreaga documenta\u021bie tehnic\u0103<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dar cl\u0103dirile vechi?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cl\u0103dirile vechi de\u0219i nu au fost consolidate \u00een toata acest\u0103 perioad\u0103 au mai suferit \u0219i &nbsp;anumite modific\u0103ri interioare, facute de proprietari cu scopul de a avea o buc\u0103t\u0103rie mai mare, un open space, o ie\u0219ire pe balcon, etc. Toate aceste modific\u0103ri necontrolate, f\u0103cute f\u0103r\u0103 autoriza\u021bie de construire, au sl\u0103bit structura de rezisten\u021b\u0103 a cl\u0103dirii si au accentuat pericolul.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un seism care nu a cutremurat doar cl\u0103dirile!<\/p>\n","protected":false},"author":1,"featured_media":272,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articol-site"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - 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