Fireproofing hauv Steel Ncej Kev Tsim Kho Cov Qauv steel melts ntawm kwv yees li 2, 500 ° F, thaum lub tsev hluav taws kub feem ntau ncav cuag qhov kub ntawm 2, 000 ° F. Qhov ua tau ntawm cov hlau melting yog tsawg, tab sis qhov no tsis txhais tau tias cov qauv hlau muaj kev nyab xeeb.
Puas steel beam yuav tsum fireproof?
Cov kev cai hauv tsev tam sim no (Lub Kaum Hli 2016) hais tias cov kab hlau yuav tsum tiv thaiv hluav taws. … Vim li no, cov kab hluav taws xob steel tau them rau ob txheej ntawm plasterboard ntawm ib txheej los yog hluav taws kub-rated plasterboard. Ob leeg no muab kev tiv thaiv hluav taws rau lub nqaj hlau ntev li ntau feeb (feem ntau 90!).
Vim li cas hlau yuav tsum tau hluav taws kub?
Txawm tias nws yuav tsis tas yuav yaj, cov hlau tuaj yeem ua deformed thiab poob nws lub zog thaum raug kub heev. Fireproofing steel pab tswj lub tsev zoo thaum muaj hluav taws kub. Li no, neeg coob coob thiaj dim tsis tau.
Vim li cas hlau tsis muaj hluav taws kub?
Txawm tias cov ntaub ntawv tsis tuaj yeem tawg xws li hlau tuaj yeem ua tau cuam tshuam los ntawm qhov kub thiab txias. Txawm li cas los xij, vim tias cov khoom siv feem ntau tsis thauj khoom mus rau lawv lub zog tsim tag nrho, txawm tias cov hlau tsis muaj zog tuaj yeem muaj peev xwm nqa tau txaus los tiv thaiv cov teebmeem ntawm hluav taws.
Vim li cas thiaj yuav tsum muaj hluav taws kub?
16.7.
feem ntau cov khoom siv hluav taws kub tau teev tseg rau ob qho tib si cellulosic(zoo ib yam) los yog hydrocarbon hluav taws tshwm sim ntawm ntau lub sijhawm. Qhov tseem ceeb ntawm kev tiv thaiv hluav taws yog uas nws tsis tso cai rau qhov hluav taws kub los yog cua sov thiab yog li tuaj yeem tiv thaiv cov txheej txheem tawg rau qee yam xwm txheej.
