Cia Thiab Tsheb Thauj Khoom Ntawm Yas Ntoo Khoom

1. Piv nrog ntoo, yas-ntoo profile muaj qhov tshwj xeeb loj dua thiab zoo dua qub dua ntoo. Ua tib zoo saib thaum siv nws. Thaum nqa ntoo-yas profile zoo sib xws hauv ntim rau ntoo, koj yuav tsum muab tso rau hauv kev siv zog ntau dua thiab rhuav nws.

2. Thaum cov yas-ntoo cov ntaub ntawv tso rau ntawm qhov chaw tsim kho, lawv yuav tsum muab tso rau hauv av tiaj.

3. Thaum muab cov ntawv profile, lawv yuav tsum muab tso ntawm ob qho kawg ntawm tus joist. Qhov chaw nruab nrab ntawm ob tus txuas mus nrog yuav tsum tsis pub ntau tshaj 60 cm. Cov joists yuav tsum tau teem tswg nrog cov profiles.

4. Cov ntaub ntawv yas thiab ntoo yuav tsum muab ntim rau hauv cov pob zeb thaum khij sab nraum zoov, thiab teem kom sib tiaj kom tiv thaiv kev deformation vim lub hnub raug.

5. Txij li thaum kev sib txhuam coefficient ntawm cov ntoo yas tsis siab npaum li ntawm cov ntoo tawv ntoo, nws tsis tuaj yeem kuaj xyuas cov ntoo yas ntoo thaum lub caij tsheb thauj mus los, ua rau NW nyuam qhuav puas.