{"id":9078,"date":"2022-11-23T15:27:00","date_gmt":"2022-11-23T13:27:00","guid":{"rendered":"https:\/\/www.unicrotarex.ro\/metal-truss\/"},"modified":"2025-06-05T13:46:48","modified_gmt":"2025-06-05T10:46:48","slug":"metal-truss","status":"publish","type":"post","link":"https:\/\/www.unicrotarex.ro\/en\/metal-truss\/","title":{"rendered":"What is a metal truss?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"9078\" class=\"elementor elementor-9078 elementor-9064\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3044ff56 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3044ff56\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-2c72918c\" data-id=\"2c72918c\" data-element_type=\"column\" data-e-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-119e999e elementor-widget elementor-widget-image\" data-id=\"119e999e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.unicrotarex.ro\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"50\" height=\"50\" src=\"https:\/\/www.unicrotarex.ro\/wp-content\/uploads\/2023\/02\/Buton-Home.webp\" class=\"elementor-animation-grow attachment-full size-full wp-image-5318\" alt=\"Steel home in Texas\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\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-39701f79\" data-id=\"39701f79\" data-element_type=\"column\" data-e-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-22e0e28c animated-slow elementor-widget elementor-widget-heading\" data-id=\"22e0e28c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">CE ESTE O GRINDA METALICA ZABRELITA?<\/h1>\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-18f610d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"18f610d\" data-element_type=\"section\" data-e-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-1dd1f887\" data-id=\"1dd1f887\" data-element_type=\"column\" data-e-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-d7dd6e4 elementor-widget elementor-widget-text-editor\" data-id=\"d7dd6e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.unicrotarex.ro\/wp-content\/uploads\/2023\/11\/Grinda-metalica-zabrelita.webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-9067 alignleft\" src=\"https:\/\/www.unicrotarex.ro\/wp-content\/uploads\/2023\/11\/Grinda-metalica-zabrelita-300x169.webp\" alt=\"Grinda metalica zabrelita\" width=\"300\" height=\"169\" \/><\/a>Definim o grinda metalica zabrelita sau o grinda de otel ca fiind o componenta structurala care actioneaza ca element portant intr-o cladire. Grinda este formata dintr-un ansamblu de bare conectate in noduri care sunt fixate cu stifturi. Ceea ce inseamna ca acestea nu rezista la momente de incovoiere sau la forte prea mari din plan (ferme planare). Barele si nodurile formeaza un corp rigid care nu este deformabil in plan. Cu toate acestea, o grinda poate fi un element structural tridimensional care va fi capabil sa reziste si la forte in afara planului sau (grinda cu cadru spatial).<br \/>In principiu, barele si nodurile formeaza triunghiuri, fie in 2D, fie in 3D, stim ca triunghiul este cea mai &#8220;puternica&#8221; forma geometrica.<\/p><p>Intr-o structura, o grinda metalica poate avea mai multe functii, depinzand de pozitia si geometria sa si poate fi:<\/p><ul><li><strong>grinda de planseu<\/strong> &#8211; descrisa ca un element cu cordoane superioare si inferioare paralele. Aceste elemente vor forma suportul pentru straturile de podea de deasupra si pentru tavanul de dedesubt. In calitate de suporturi statice, putem considera ca grinzile sunt sprijinite simplu sau continuu. Calculam inaltimea grinzii in functie de distanta dintre suporturi si de sarcinile locale.<\/li><li><strong>grinda de acoperis<\/strong> &#8211; descrisa ca un element care formeaza forma acoperisului. Poate avea diverse forme (ferme paralele, ferme in sold, ferme trunchiate etc.). Conditiile de sustinere sunt similare cu cele ale fermelor de planseu.<br \/>coloana utilizata de obicei in cladirile industriale pentru a forma elemente verticale tridimensionale sau in proiectele rezidentiale pentru a stabiliza local un stalp intr-un perete.<\/li><li>si <strong>ferme spatiale<\/strong> &#8211; pentru a stabiliza un element in afara planului sau, trebuie sa folosim extinderea si in cealalt\u0103 directie.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1606bc76 elementor-author-box--avatar-yes elementor-author-box--name-yes elementor-author-box--biography-yes elementor-author-box--link-no elementor-widget elementor-widget-author-box\" data-id=\"1606bc76\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/df60960492af7f51c0c05d623fc86212cefaa6c2149515522a7cbd8fda11df3f?s=300&#038;d=mm&#038;r=g\" alt=\"Picture of Vlad F\u00e2rte\" loading=\"lazy\">\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<h4 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tVlad F\u00e2rte\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\tGeneral Manager at Unic Rotarex\u00ae, graduate of VIA University Denmark. Passionate about lightweight steel structures, modern construction methods and environmentally friendly engineering techniques. Believes that traditional techniques need to be replaced with new, efficient and economical systems to meet the rapidly growing demand.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\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-235460b8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"235460b8\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-36201544\" data-id=\"36201544\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap 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Definim o grinda metalica zabrelita sau o grinda de otel ca fiind o componenta structurala care actioneaza ca element portant intr-o cladire. Grinda este formata dintr-un ansamblu de bare conectate in noduri care sunt fixate cu stifturi. Ceea ce inseamna ca acestea nu rezista la momente de incovoiere sau [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":16997,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-9078","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-useful-information"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a metal truss? - Producator Structuri Metalice Usoare - Unic Rotarex\u00ae<\/title>\n<meta name=\"description\" content=\"What is a steel truss? 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