Firam ɗin da aka ɗaure shi ne tsarin tsari a ƙarƙashin tasirin lodi na gefe ta hanyar samar da tsarin ƙarfe na diagonal ko bangon ƙarfi don ƙarfafa simintin siminti.Yana da tasiri mai mahimmancin tsari don tsayayya da lodi na gefe saboda iska ko girgizar kasa a cikin gine-gine da gine-gine saboda yana ba da ƙarin goyon baya da ake bukata a cikin tsarin.Bargarin tsarin sassa na karfe a cikin firam mai ɗamara ana yin su ne da ƙarfe tsari yawanci tare da kyakkyawan juriya da ƙarfi.
Yawancin ginin benaye da yawa azaman haɗin kai na suna tsakanin ginshiƙi da katako.An tsara su don tallafawa kawai kuma an tsara ginshiƙan don ɗaukar lokaci tare da ƙarfin axial.Mai zane ba zai buƙaci yin la'akari da nauyin samfurin ba lokacin da ake ƙididdige ƙarfin shafi.
An sanya katako da ginshiƙi a cikin ginin bene da yawa a cikin tsari na orthogonal a duka ɗagawa da tsari.Tsarukan biyu suna ba da juriya a kwance a cikin ginin firam na katako.
A halin yanzu, takalmin gyaran kafa ya ƙunshi takalmin gyaran kafa na tsaye da kuma a kwance.Dole ne a ƙera takalmin gyaran kafa na tsaye don ɗaukar ƙarfi kamar haka.
1. Ƙarfin iska
2. Kwatankwacin ƙarfin kwance
Ana buƙatar takalmin gyaran kafa a kwance don canja wurin ƙarfi a kwance zuwa jirgin saman takalmin gyaran kafa wanda ke ba da juriya ga ƙarfin kwance.Akwai nau'ikan guda 2 kamar haka,
1. Diaphragms
2. Ƙwallon ƙafar ƙafar ƙafar ƙafa
Lokacin aikawa: Nuwamba-30-2022