Portal Ncej Chaw Nres Nkoj Steel Kev Tsim Kho yog qhov chaw nres tsheb ciav hlau tsheb ciav hlau lub tsev daws teeb meem uas tau txais cov khoom siv-web portal rigid thav duab system raws li nws lub ntsiab load-bearing skeleton.
Tsim los ntawm kev sib txuas nruj ntawm cov kab hlau thiab lub ru tsev steel kab teeb los tsim cov portal-puab thav duab, cov khoom no ua rau cov chaw loj-span-dawb qhov chaw, xa cov khoom vaj tsev zoo ntawm cov bays dav, siab ntshiab qhov siab thiab kev tsim kho sai rau cov tsev nyob hauv chaw nres tsheb.
Lub caij no, peb cov khoom muaj lub zog tseem ceeb suav nrog kev ua haujlwm zoo heev, kev lag luam siab thiab kev phooj ywg ib puag ncig, uas ua tau raws li qhov yuav tsum tau ua thiab kev txaus siab ntawm qhov chaw nres tsheb me me thiab nruab nrab.