Mun taimaka duniya girma tun 1983

Tasirin saman cantilever tsawon akan bakin tekun kayan aiki na kulle faifai

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Rapid Scaffolding (Injiniyan) Co., Ltd ya kafa ƙawance mai ma'ana tare da Jami'ar kudu maso gabas tun 2004 kuma ya kafa ƙaƙƙarfan ƙungiyar bincike na kimiyya don yin bincike mai zurfi game da abin da ke haifar da kulle makullin tsari. Tsawon saman cantilever shine tazarar daga saman fuskar daidaitaccen U shugaban zuwa saman saman Layer kwance a kwance na goyan bayan ma'auni, kamar yadda maƙallin cantilever ɗin yake a cikin hoton da ke ƙasa, wanda yanzu ake kira tsawon cantilever.

Tsawon cantilever yawanci suna buƙatar daidaitawa don haɗuwa da tsayin tsari na ƙirar ƙira. Kamar yadda nisa daga mizani zuwa mafi kusa da octagonlock disc shine 250mm ko 325mm (abin wuya na sama sama), la'akari da tsayin madaidaicin U shugaban, don haka tsawon cantilever yayi daidai ko ya fi 300mm gaba ɗaya.

Matsayi mafi rauni na rikitarwa na tsari na diski yana a tsarin tallafi a sama, don nazarin tasirin tasirin cantilever a kan ƙarfin ɗora Kwatancen tsarin ma'auni, ɗaukar 4 × 4 span 1 mataki da 4 × 4 span 4 Matakan tsarin tallafi na tsari kamar abin bincike (daidaitaccen mataki h = 1500mm), yi la’akari da daban tsawon tsawon cantilever ya zama 300 ~ 1000mm, kuma kara daidaituwar rashin daidaituwa da 50mm kowane lokaci don kirgawa.

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Tare da tsawon cantilever yana kara yawaita da kuma tallafi na tsari a maimakon haka, matsakaicin matsuguni yana ci gaba da tafiya, tsarin tallafi ya canza daga lankwasa rashin kwanciyar hankali zuwa rashin kwanciyar hankali na gida a saman cantilever karshen. An nuna yanayin rashin zaman lafiya a cikin wannan adadi mai zuwa:

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Sakamakon lissafi na matsakaicin ƙarfin ɗora Kwatancen 4 × 4 span 1 mataki da 4 × 4 span 4 matakai diski kulle formwork goyon bayan tsarin tare da tsawon ɓangaren cantilever an nuna su a cikin jadawalin mai zuwa:

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Daga wannan teburin, ya nuna cewa tsawon cantilever yana da tasiri mai yawa ga ƙarfin ɗora Kwatancen tallafi na aiki. Misali: don 4X4 span 4 matakai masu tallafi, lokacin da = 300mm, karfin aikinsa na kwarjini Pcr = 77.91KN, ko lokacin da = 1000mm, karfin kwalliyar kwalliyar sa Pcr = 21.97kN, lokacin da = 300mm, madaidaicin karfin caji 27.9% .

Sakamakon ya nuna cewa tsawon cantilever yana da tasirin gaske akan kwarin gwiwar lodaing na tsarin tallafi na formwork. Sabili da haka, a cikin ƙirar injiniya da gini, tsawon ikon cantilever yakamata a sarrafa shi sosai don tabbatar da amincin tsarin tallafi na tsari. Masu zanen kaya suna buƙatar dogara ne akan girman nauyi (a tsaye, a kwance). Don tsayin cantilever mafi girma, ana iya amfani da matakan tsari don rage matakin jagorar kwance don inganta amincin tsarin tallafi na tsari.


Post lokaci: Jan-16-2020