{"id":9392,"date":"2024-12-10T18:59:51","date_gmt":"2024-12-10T18:59:51","guid":{"rendered":"https:\/\/www.h-metal.ro\/blog\/?p=9392"},"modified":"2024-12-10T18:59:52","modified_gmt":"2024-12-10T18:59:52","slug":"az-acelgerendak","status":"publish","type":"post","link":"https:\/\/www.h-metal.ro\/blog\/hu\/az-acelgerendak\/","title":{"rendered":"Az ac\u00e9lgerend\u00e1k viselked\u00e9se"},"content":{"rendered":"<p>A H Metal az ac\u00e9lgerend\u00e1k gy\u00e1rt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges f\u00e9mterm\u00e9keket ig\u00e9ny szerint forgalmazza.<\/p>\n\n\n\n<p>A gerend\u00e1k v\u00edzszintes ellen\u00e1ll\u00e1selemek, amelyek a f\u00fcgg\u0151leges gravit\u00e1ci\u00f3s hat\u00e1sokat veszik \u00e1t \u00e9s tov\u00e1bb\u00edtj\u00e1k a f\u00fcgg\u0151leges ellen\u00e1ll\u00e1selemekhez.<\/p>\n\n\n\n<p>A gerenda szerkezeti hat\u00e1s\u00e1t a bels\u0151 er\u0151k, az \u00fagynevezett hajl\u00edt\u00f3nyomat\u00e9kok \u00e9s ny\u00edr\u00f3er\u0151k k\u00e9pviselik. B\u00e1rmely sug\u00e1r viselked\u00e9s\u00e9t ezeknek az er\u0151knek a nagys\u00e1ga \u00e9s eloszl\u00e1sa \u200b\u200bjellemzi. A gerenda b\u00e1rmely pontj\u00e1n a bels\u0151 ny\u00edr\u00f3er\u0151 \u00e9s a bels\u0151 hajl\u00edt\u00f3nyomat\u00e9k er\u0151p\u00e1rk\u00e9nt \u00e1br\u00e1zolhat\u00f3.<\/p>\n\n\n\n<p>B\u00e1rmely gerenda teljes\u00edtm\u00e9nye a keresztmetszet geometri\u00e1j\u00e1t\u00f3l f\u00fcgg, nemcsak a fizikai m\u00e9retekt\u0151l, hanem az alakt\u00f3l is. Az ac\u00e9lgerend\u00e1k t\u00f6bbf\u00e9le keresztmetszeti form\u00e1ban kaphat\u00f3k. Ide tartoznak a nyitott szakaszok \u00e9s a z\u00e1rt szakaszok vagy cs\u00f6vek. A gyakorlatban az <a href=\"https:\/\/www.h-metal.ro\/hu\/ipe-gerenda\/103\">I-profilokat <\/a>leggyakrabban \u00e9p\u00fcletek gerend\u00e1ihoz haszn\u00e1lj\u00e1k. A <a href=\"https:\/\/www.h-metal.ro\/hu\/teglalap-alaku-zartszelveny\/122\">t\u00e9glalap alak\u00fa cs\u00f6vek<\/a> \u00e9lgerend\u00e1khoz haszn\u00e1lhat\u00f3k, ha bizonyos \u00e9lr\u00e9szletekre van sz\u00fcks\u00e9g.<\/p>\n\n\n\n<h2>Az ac\u00e9lgerend\u00e1k t\u00edpusai<\/h2>\n\n\n\n<p>A gerend\u00e1k lehetnek szabv\u00e1nyos vagy speci\u00e1lisan gy\u00e1rtott szakaszok. Mind a nyitott, mind a z\u00e1rt szelv\u00e9nyeket sokf\u00e9le szabv\u00e1ny (sorozat) m\u00e9retben gy\u00e1rtj\u00e1k <a href=\"https:\/\/www.h-metal.ro\/blog\/hu\/\">meleghengerl\u00e9si <\/a>elj\u00e1r\u00e1ssal. \u00c1ltal\u00e1ban szabv\u00e1nyos szakaszokat haszn\u00e1lnak, mivel k\u00f6nnyen hozz\u00e1f\u00e9rhet\u0151ek \u00e9s gazdas\u00e1gosak.<\/p>\n\n\n\n<p>A gerend\u00e1k \u00edvelhet\u0151k az \u00e1ltal\u00e1nos deform\u00e1ci\u00f3 cs\u00f6kkent\u00e9se vagy egyszer\u0171en csak \u00e9rdekesebb form\u00e1k l\u00e9trehoz\u00e1sa \u00e9rdek\u00e9ben. Ez speci\u00e1lis hajl\u00edt\u00e1si elj\u00e1r\u00e1ssal t\u00f6rt\u00e9nik. Kis fok\u00fa g\u00f6rb\u00fclet eset\u00e9n a gerenda tervez\u00e9si sz\u00e1m\u00edt\u00e1sai nem k\u00fcl\u00f6nb\u00f6znek az egyenes gerenda sz\u00e1m\u00edt\u00e1sait\u00f3l. A jelent\u0151sen \u00edvelt gerend\u00e1k eset\u00e9ben azonban a szerkezeti hat\u00e1s rug\u00f3\u00e9 v\u00e1lik.<\/p>\n\n\n\n<p>A hajl\u00edt\u00e1si viselked\u00e9s \u00f6sszef\u00fcgg a <a href=\"https:\/\/hu.wikipedia.org\/wiki\/Tehetetlens%C3%A9gi_nyomat%C3%A9k\">gerenda tehetetlens\u00e9gi <\/a>nyomat\u00e9k\u00e1val \u00e9s a szakasz modulus\u00e1val. Ezek a keresztmetszet m\u00e9ret\u00e9t\u0151l \u00e9s alakj\u00e1t\u00f3l f\u00fcggenek, \u00e9s az \u00f6sszes lamin\u00e1lt profilra vonatkoz\u00f3 szabv\u00e1nyt\u00e1bl\u00e1zatokban szerepelnek.<\/p>\n\n\n\n<p>A hajl\u00edt\u00f3szil\u00e1rds\u00e1got korl\u00e1tozhatja az anyag szil\u00e1rds\u00e1ga, oldalir\u00e1ny\u00fa torzi\u00f3s kihajl\u00e1s vagy helyi kihajl\u00e1s.<\/p>\n\n\n\n<p>A gerenda viselked\u00e9s\u00e9t els\u0151sorban a feszt\u00e1v, a terhel\u00e9s, a megt\u00e1maszt\u00e1s m\u00f3dja, az anyagok \u00e9s a keresztmetszet befoly\u00e1solja.<\/p>\n\n\n\n<p>Ugyanazon feszt\u00e1vols\u00e1g \u00e9s terhel\u00e9s eset\u00e9n h\u00e1rom dolog befoly\u00e1solja a gerenda teljes\u00edtm\u00e9ny\u00e9t:<\/p>\n\n\n\n<p>&#8211; a gerenda al\u00e1t\u00e1maszt\u00e1s\u00e1nak m\u00f3dja<\/p>\n\n\n\n<p>&#8211; az anyag tulajdons\u00e1gait<\/p>\n\n\n\n<p>\u2013 a gerenda keresztmetszet\u00e9nek geometri\u00e1ja<\/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=\"Az ac\u00e9lgerend\u00e1k viselked\u00e9se\";<\/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>A H Metal az ac\u00e9lgerend\u00e1k gy\u00e1rt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges f\u00e9mterm\u00e9keket ig\u00e9ny szerint forgalmazza. A gerend\u00e1k v\u00edzszintes ellen\u00e1ll\u00e1selemek, amelyek a f\u00fcgg\u0151leges gravit\u00e1ci\u00f3s hat\u00e1sokat veszik \u00e1t \u00e9s tov\u00e1bb\u00edtj\u00e1k a f\u00fcgg\u0151leges ellen\u00e1ll\u00e1selemekhez. A gerenda szerkezeti hat\u00e1s\u00e1t a bels\u0151 er\u0151k, az \u00fagynevezett hajl\u00edt\u00f3nyomat\u00e9kok \u00e9s ny\u00edr\u00f3er\u0151k k\u00e9pviselik. B\u00e1rmely sug\u00e1r viselked\u00e9s\u00e9t ezeknek az er\u0151knek a nagys\u00e1ga \u00e9s eloszl\u00e1sa \u200b\u200bjellemzi. A gerenda b\u00e1rmely pontj\u00e1n [&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=\"Az ac\u00e9lgerend\u00e1k viselked\u00e9se\";<\/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":[50],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - 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