Ukubalwa kophahla lwe-gable
Sibawa utjengise ubukhulu obutlhogekako ngamamilimitha
X - ububanzi bendlu
Y - ukuphakama kophahla
C - ubukhulu obuphakemeko
B - ubude bophahla
Y2 - ubude obungezelelweko
X2 - ububanzi obungezelelweko
ireferensi
Ihlelo lenzelwe ukubala izinto zokwakha uphahla: inani lezinto zamashidi (i-ondulin, i-nulin, i-slate nofana amathayela wensimbi), izinto zokuphahla (ngilazi, ukuphahla), inani lamabhodi wokuvala nama-rafters.
Ungaphinde ubale ubukhulu bophahla obuwusizo.
Ihlelo lisebenza ngeendlela ezimbili: uphahla olulula lwe-gable kanye nophahla olune-gable ezimbili eziseceleni (amaphahla aseceleni), umhlobo1 nomhlobo2.
Itjhejo! Nangabe unophahla olune-gable ehlangothini elilodwa, bese usebenzisa umhlobo 1 ukubala kokuthoma, bese usebenzisa umhlobo 2. Begodu ukusuka kudatha etholakeleko, bala inani lezinto zokwakha: ama-rafters, amabhodi wokuvala, izinto zokuphahla kanye namashidi.
Ngaphandle kwalokho kungaba nephutha ekubaleni. Phela, ihlelo liqala ukusika ophahleni olukhulu lophahla lwama-gables aseceleni.
Ekubaleni uzokubona iinomboro ezimbalwa: ubukhulu nofana ivolumu yezinto zokwakha zehhafu yophahla begodu phakathi kwamabakaki - ubukhulu obupheleleko nofana ivolumu.
Ekubaleni ophahleni olwengeziweko - ubukhulu obupheleleko nomthamo, begodu ngaphakathi kwamabakaki kuneenomboro ezimbili: ubukhulu nomthamo wephahla elilodwa namabili angezelelweko.
Itjhejo! Lokha nawubala izinto zokuphahla, khumbula bona ihlelo libala ngendawo yophahla.
Ukwenza isibonelo, imigqa ema-2.8 iphindwe amakhasi ama-7.7 emgqeni ngamunye. Ngesikhathi sokwakha kwamambala, imigqa emi-3 ibekwa.
Ukubala ngokunembileko inani lamashidi wokuphahla, kutlhogeka bona wehlise ukuphakama kwamashidi ekubaleni bekube kulapho ufumana inani elipheleleko lemigqa.
Ungakhohlwa ukusetha inani lokudlulana ngokunembileko.
Lokha nakubalwa ivolumu yepahla yama-rafters wophahla olukhulu, kumodi yohlobo 2, ihlelo aliqali ukusika kwe-gable eseceleni. Lokhu kungenxa yobunzima bokuqalisa uhlelo.
Mhlamunye ngizokurarulula lokhu esikhathini esizako.
Kodwana, izinto ezinengi ze-rafter akunakwenzeka bona zinyamalale, nofana zenze amatjhuguluko ekubaleni kwakho.
Kuzakuba nehlelo elihlukileko lokubala ngokuhlakanipha izinto zokuphahla.
Begodu ungakhohlwa bona kufuze uthenge izinto zokwakha ezibekelwe imfucuza.