Ukuzibandakanya, Ukwakhiwa
Ukubalwa kwe-rafter system: izigaba zenqubo
Isakhiwo esisekelayo sophahla, lapho izinto zokuphahla zizobe sezibekwe khona, zingase zihluke, noma kunjalo, ngaphambi kokuba kwakhiwe ukwakhiwa. Ukubala uhlelo lokufaka imfucuza kuyisigaba esibalulekile ekwakheni uphahla. Ngaphandle kwalo, awukwazi ukwenza konke okulungile. Uma wenza iphutha ekuhlelweni kwamapulangwe, khona-ke uphahla lungawela ngesikhathi esifanele futhi lungcono uma lungenayo imiphumela embi.
Imisipha ingaba ilenga futhi i-nylon. Ngokwemvelo, ukuklanywa kwesistimu kungaba okuhlukile, ngoba uphahla lungaba itende, i-mansard, i-gable, i-gable. Izici zokuhlelwa kohlelo lokusekela ophahleni zicatshangelwa ekugcineni. Izibalo zenzelwe izakhiwo ezinezinhlangothi ezilodwa kanye nezigxobo ezimbili.
Ukubalwa kwe-rafter system kusekelwe emithwalweni enjalo:
- unomphela;
- okwesikhashana.
Ngokuphathelene nemithwalo yesikhashana, ingafaka umoya, iqhwa nemvula. Lezi zici zibaluleke kakhulu, ngakho-ke kuyadingeka ukuthola ibalazwe lesimo sezulu lesakhiwo esakhiwa kuso. Yiqiniso, umuntu kufanele futhi acabangele ukuthi uphahla luyohlolwa njalo futhi lulungiswe, ngakho-ke umthwalo ovela kubakhi noma abafaki kufanele nawo ubalwa.
Ukubala uhlelo lwe-truss ophahleni luyinkimbinkimbi futhi enomthwalo wemfanelo, ngakho-ke uma ungenayo isipiliyoni esanele sokwenza, ungayithathi. Manje kunezinkampani eziningi zokwakha ezingahlinzeka ngezinsizakalo zazo futhi zihambisane nenqubo ngokunemba ngangokunokwenzeka.
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