Mabota a lesira la tšepe

Moralo oa sejoale-joale oa lerako la mabota ka kakaretso o hloka litšehetso tsa sebopeho se matla joalo ka ha li tenyetseha ho tsamaisana le libaka tsa kajeno tse ntseng li eketseha tsa mahala, li-angles tse phephetsang, le bokhabane bo tsoetseng pele bo entsoeng ka likhalase. Liforeimi tsa marako a lesira la tšepe li ka nkoa e le khetho e ntle joalo kahong ea lerako la lerako kajeno. Ka nako e telele, botumo ba tšepe e le mosebetsi o moholo oa indasteri ea kaho ea sejoale-joale e fumaneha hantle. Ho tloha ho marokho a ntseng a phahama ho ea ho a skyscrapers, e khona ho mamella meroalo e meng e boima ka ho fetisisa ea sebopeho ntle le ho holofala, ho petsoha, esita le ho petsoha ha nako e ntse e ea. Leha e na le ts'ebetso e ikhethang, mefokolo ea tlhahiso e thibetse ts'ebeliso ea eona e atileng joalo ka thepa ea mantlha ea ho etsa foreimi likopanong tsa marako a benyang. Leha ho le joalo, lilemong tsa morao tjena, mekhoa e tsoetseng pele ea ho sebetsa e hlōtse bothata bona. Bafani ba bang ba marako a likharetene ba thehile likarolo tsohle tsa likarolo ho fihlela moo tsamaiso e feletseng e fumanehang hangata, ho kenyeletsa: 1) lintlha tsa khokahanyo le hardware; 2) gasketing; 3) lipoleiti tsa khatello ea ka ntle le li-cap cap; le 4) mekhoa e tlatsetsang ea menyako le ea ho kena, hammoho le ho fana ka lintlha. Ho feta moo, tsamaiso e feletseng ea lerako la marako e ka thusa ho nolofatsa le ho tiisa mekhoa ea ho etsa le ho kenya, ha e ntse e finyella litekanyetso tse phahameng tsa ts'ebetso tse hlokehang bakeng sa kaho ea marako a morao-rao-ho sa tsotellehe hore na ke lisebelisoa life tse khethiloeng. Ka mohlala, ho hanyetsa metsi ho ka ba kholo ka karolo ea 25 lekholong tsamaisong ea marako a lerako la tšepe e ka thōko ho sethala ho feta ea mokhoa o tloaelehileng oa lerako la aluminium extruded extruded. Hape, ho kenella ha moea ho batla ho le sieo marakong a likharetene tsa tšepe. Haeba u entse qeto ka khetho ea lerako la tšepe lerako morerong oa moaho, ho na le lintlha tse 'maloa bakeng sa ho sebelisa tšepe ka botlalo ho likopo tse rarahaneng tsa lerako. Ha re bua ka ho qolleha, tšepe e matla 'me e na le matla a ho jara meroalo e phahameng ka modulus ea Young ea hoo e ka bang limilione tse 207 kPa (psi limilione tse 30), ha e bapisoa le aluminium, e ka bang limilione tse 69 tsa kPa (psi limilione tse 10). Sena se lumella litsebi tsa meralo ho hlakisa litsamaiso tsa marako a likharetene tse nang le li-spans tse kholo tsa mahala (e ka ba bolelele bo otlolohileng le / kapa bophara ba mojule o otlolohileng) le litekanyo tse fokotsehileng tsa foreimi ho feta mabota a tloaelehileng a likharetene tsa aluminium tse nang le litekanyo tse tšoanang le meroalo e kentsoeng. Ntle le moo, profil ea tšepe hangata e lekana le likarolo tse peli ho tse tharo tsa profil ea aluminium e ka bapisoang ha e ntse e kopana le litekanyetso tse tšoanang tsa ts'ebetso ea lerako. Matla a tlhaho a tšepe a e lumella hore e sebelisoe ka har'a likhoele tse se nang khutlonnetsepa, moo bolelele ba setho sa foreimi bo ka bang telele ho feta kamoo ho hlokahalang ka tloaelo ho li-grids tse tloaelehileng tse rapameng/tse theohileng. Lilemong tsa morao tjena, ka lebaka la mekhoa e tsoetseng pele ea ts'ebetso ea tšepe, e ka hokela ho li-mullions tsa tšepe tsa libopeho tse fapaneng, ho kenyeletsoa li-hollow-, I-, T-, U-, kapa L-channel, le li-mullions tse tloaelehileng. Ka theko e ntle ea lerako la lerako, e ka ba ntho e makatsang ho uena ho ba le mabota a fapaneng a likharetene tse fumanehang bakeng sa morero oa hau oa ho aha.