Lesi sihloko sizogxila ohlelweni olulula "izigqoko". Yenzelwe ukubala i-cross-span yezinkuni. Isofthiwe izohlinzeka idatha ngesikhathi esiphezulu, ukuhlukumeza nokuveza amandla. Ake sibheke ummeleli ngokuningiliziwe.
Ukubalwa kwesibhamu se-span ezimbili
I-Rafters ayidingi ukufakwa, udinga nje ukugijima ifayela kusuka ku-archive. Konke ukusebenza kusewindini elilodwa. Uzodinga ukufaka imingcele edingekayo mayelana nezindawo, ama-angles of inclination, ukuphakama nobubanzi emgqeni bese uchofoza "Ukubala"ukubonisa imiphumela yezibalo ngezansi. Sicela uqaphele - kunezinhlobo ezintathu zezinkuni namamodi amabili wokubala, kusiza ukunquma imingcele enembile kakhulu.
Izintandokazi
- Uhlelo lukhululekile;
- Ayidingi ukufakwa;
- Kukhona ulimi lwesiRussia;
- Isibonisi esibonakalayo.
Ukungalungi
- Ukusebenza okuncane.
I-Rafters inikeza isethi encane yamathuluzi adingekayo ukubala ukuphahla. Kodwa-ke, iphikisana ngokuphelele nomsebenzi wayo futhi inikeza ulwazi olunembile mayelana nemingcele ye-double span beam. Isofthiwe kulula ukuyisebenzisa futhi ayidingi amakhono akhethekile.
Yabelana ngalokhu ku-amanethiwekhi omphakathi: