{"id":1635,"date":"2020-02-10T11:34:21","date_gmt":"2020-02-10T11:34:21","guid":{"rendered":"https:\/\/www.h-metal.ro\/blog\/?p=1635"},"modified":"2023-04-20T15:30:23","modified_gmt":"2023-04-20T15:30:23","slug":"grinzile-cu-zabrele","status":"publish","type":"post","link":"https:\/\/www.h-metal.ro\/blog\/ro\/grinzile-cu-zabrele\/","title":{"rendered":"Tipuri de grinzi cu zabrele"},"content":{"rendered":"<p><strong>Grinzile cu zabrele<\/strong> sunt constructii sau elemente de <a href=\"https:\/\/www.h-metal.ro\/blog\/de-ce-este-utilizat-otelul-in-constructii\/\">constructii<\/a> alcatuite din talpi, diagonale, montanti si <a href=\"https:\/\/www.metal-online.ro\/profile-ambutisate-dimensiuni-standard-si-atipice-72.html\">piese de legatura<\/a>, care in ansamblu lucreaza la incovoiere.<\/p>\n<p>O grinda are rolul de a prelua incarcatura elementelor care se sprijina pe ea si de a o trimite mai departe, catre elementele de rezistenta ale constructiei.<\/p>\n<p>Ca parte a structurii de rezistenta a acoperisului, grinzile cu zabrele\u00a0reprezinta un sistem nedeformabil de bare drepte concurente in noduri. Aceste noduri pot fi realizate cu nituri, buloane sau prin sudura. Intervalul dintre doua noduri poarta denumirea de panou.<\/p>\n<p>Sistemul de alcatuire al grinzilor cu zabrele este realizat din:<\/p>\n<p>* talpi -bare de contur, care marginesc structura;<\/p>\n<p>* zabrele &#8211; bare interioare, care leaga talpile intre ele.<\/p>\n<p>Barele grinzii care fac legatura cu talpile sunt legate de acestea in noduri care sunt considerate articulatii perfecte.<\/p>\n<p>Grinzile metalice au o capacitate sporita de a rezista sarcinilor exercitate de vant puternic sau cutremure si reprezinta un element cheie in cadrul constructiilor de mari dimensiuni.<\/p>\n<p>Performanta unei grinzi este influentata nu doar de forma si dimensiunile fizice ale acesteia, ci de si geometria sectiunii transversale.<\/p>\n<h2>Dupa modul de alcatuire, grinzile cu zabrele se clasifica in:<\/h2>\n<p><strong>1. Grinzi cu zabrele simple<\/strong><\/p>\n<p>Acestea sunt formate dintr-o succesiune de triunghiuri, fara ca suprafata triunghiulara sa se suprapuna.<\/p>\n<p>De asemenea, in functie de modul de distributie al zabrelelor, grinzile cu zabrele simple pot fi:<\/p>\n<p><em>a. Grinzi cu zabrele simple cu sistem triunghiular<\/em><\/p>\n<p><a href=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-cu-sistem-triunghiular1.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-1650 size-full\" src=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-cu-sistem-triunghiular1.png\" alt=\"Grinzile cu zabrele - grinda cu zabrele simpla cu sistem triunghiular\" width=\"398\" height=\"233\" srcset=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-cu-sistem-triunghiular1.png 398w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-cu-sistem-triunghiular1-300x175.png 300w\" sizes=\"(max-width: 398px) 100vw, 398px\" \/><\/a><\/p>\n<p><em><em>b. Grinzi cu zabrele simple cu sistem dreptunghiular<\/em><br \/>\n<\/em><br \/>\n<a href=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-sistem-dreptunghiular1.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-1652 size-full\" src=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-sistem-dreptunghiular1.png\" alt=\"sistem dreptunghiular\" width=\"557\" height=\"230\" srcset=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-sistem-dreptunghiular1.png 557w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-sistem-dreptunghiular1-300x123.png 300w\" sizes=\"(max-width: 557px) 100vw, 557px\" \/><\/a><\/p>\n<p><em>c. Grinzi cu zabrele simple diagonale in K<\/em><\/p>\n<p><a href=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-cu-diagonale-in-K.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1654\" src=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-cu-diagonale-in-K.png\" alt=\"grinda cu zabrele simpla cu diagonale in K\" width=\"588\" height=\"231\" srcset=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-cu-diagonale-in-K.png 588w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinda-cu-zabrele-simpla-cu-diagonale-in-K-300x117.png 300w\" sizes=\"(max-width: 588px) 100vw, 588px\" \/><\/a><\/p>\n<p><strong>2. Grinzi cu zabrele compuse<\/strong><\/p>\n<p>Sunt alcatuite prin suprapunerea unor sisteme simple astfel incat ansamblul sa aiba asigurata invariabilitatea geometrica.<\/p>\n<p><a href=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinzi-cu-zabrele-compuse.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1655\" src=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinzi-cu-zabrele-compuse.png\" alt=\"grinzi cu zabrele compuse\" width=\"399\" height=\"235\" srcset=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinzi-cu-zabrele-compuse.png 399w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinzi-cu-zabrele-compuse-300x176.png 300w\" sizes=\"(max-width: 399px) 100vw, 399px\" \/><\/a><\/p>\n<p><strong>3. Grinzi cu zabrele complexe<\/strong><\/p>\n<p>Sunt caracterizate de faptul ca din fiecare nod pornesc cel putin trei bare, iar punctele de intersectie a diagonalelor nu se considera noduri.<\/p>\n<p><a href=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinzi-cu-zabrele-complexe.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1656\" src=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinzi-cu-zabrele-complexe.png\" alt=\"grinzi cu zabrele complexe\" width=\"369\" height=\"253\" srcset=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinzi-cu-zabrele-complexe.png 369w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2020\/02\/grinzi-cu-zabrele-complexe-300x205.png 300w\" sizes=\"(max-width: 369px) 100vw, 369px\" \/><\/a><\/p>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - http:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"http:\/\/www.hupso.com\/share\/\"><img src=\"https:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Google Plus\",\"Linkedin\",\"StumbleUpon\",\"Digg\",\"Reddit\",\"Bebo\",\"Delicious\"); var hupso_toolbar_size_t=\"medium\";var hupso_url_t=\"\";var hupso_title_t=\"Tipuri de grinzi cu zabrele\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"excerpt":{"rendered":"<p>Grinzile cu zabrele sunt constructii sau elemente de constructii alcatuite din talpi, diagonale, montanti si piese de legatura, care in ansamblu lucreaza la incovoiere. O grinda are rolul de a prelua incarcatura elementelor care se sprijina pe ea si de a o trimite mai departe, catre elementele de rezistenta ale constructiei. Ca parte a structurii [&hellip;]<\/p>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - http:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"http:\/\/www.hupso.com\/share\/\"><img src=\"https:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Google Plus\",\"Linkedin\",\"StumbleUpon\",\"Digg\",\"Reddit\",\"Bebo\",\"Delicious\"); var hupso_toolbar_size_t=\"medium\";var hupso_url_t=\"\";var hupso_title_t=\"Tipuri de grinzi cu zabrele\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - 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