Kamar yadda haƙarƙarin jakar tacewa, firam ɗin cire ƙura yana da sauƙi don shigarwa da kariya, don haka mutane sukan yi watsi da shi yayin amfani da gwajin tace jakar.Amma ingancin tsarin kawar da ƙurar kai tsaye yana shafar rayuwar sabis na tace jakar.Saboda haka, a lokacin da duba kura kau framework, akwai da dama key maki kula: ko kura kau framework ne cikakken galvanized a daya gyare-gyare, santsi da m, ba tare da burrs, sabõda haka, da tace jakar ba lalace, da waldi ne. uniform, kuma tsarin yana da ma'ana.Mai karko kuma mai dorewa.kwarangwal na trapezoidal yana ɗaukar tsari mai faɗi.Haƙarƙari mai tsayi da zoben rigakafin tallafi na kwarangwal na trapezoidal ana rarraba su daidai, kuma suna da isasshen ƙarfi don guje wa lalacewa da lalacewa.Domin tabbatar da ƙarfin wayar karfe da kuma inganta yanayin bayyanar, za mu zaɓi yuan φ6.5 An zana karfen (ana zana shi zuwa φ3mm), sannan idan aka hada shi a kan taya mai welded na gindi, za a nitse don saduwa. bukatun fasaha.Firam ɗin trapezoidal an yi shi ne da feshin siliki na halitta ko galvanizing, feshin feshin da sauran ƙwarewa.Rufin yana da ƙarfi kuma yana jure lalata, wanda ke guje wa tsatsa na kashin keji da mannewa da jakar tacewa bayan an yi aikin mai tara ƙura na ɗan lokaci.