Thaum tsim lub teeb steel keel qab nthab, cov ntsiab lus tseem ceeb hauv qab no yuav tsum raug sau tseg:
1. Suspension Rod Fixing: Kho ib qho kev ncua txhua 80 cm kom lub qab nthab muaj peev xwm txaus-cov kabmob thiab tiv thaiv kom tsis txhob poob tom qab.
2. Main Keel Spacing: Qhov kev ncua deb ntawm lub ntsiab keels yuav tsum tau khaws cia nyob rau hauv 80 cm kom tsis txhob deformation ntawm lub thib ob keels, uas yuav cuam tshuam rau lub flatness ntawm lub qab nthab.
3. Secondary Keel Spacing: Qhov kev pom zoo ntawm qhov nruab nrab ntawm qhov nruab nrab keels yog nyob rau hauv 40 cm. Kev sib nrug ntau dhau yuav ua rau lub plasterboard deform los yog tshem tawm.
Tsis tas li ntawd, cov keels tseem ceeb ntxiv yuav tsum tau muab ntxiv rau ntawm cov pob qij txha ntawm cov keels thib ob kom lawv ruaj khov. Lub teeb steel keel qab nthab tau pom zoo rau tag nrho -chav tsev ceilings vim lawv cov qauv kev sib txuas ntau dua.
Tus qauv sib nrug rau kev thauj khoom-cov kabmob hangers, lub ntsiab joists, thiab cov joists thib ob yog raws li hauv qab no:
- Load-cov kabmob hangers: hauv 80 cm
- Lub ntsiab joists: nyob rau hauv 80 cm
- Secondary joists: nyob rau hauv 40 cm
