"Hluav taws kub {- rated steel" yog hais txog kev poob siab thiab kev ntseeg siab thaum lub sij hawm hluav taws, tso cai rau kev khiav tawm thiab tua hluav taws. Thaum hlau yog inherently tsis yog- commustible thiab muaj lub siab melting point, nws lub zog txo qis ntawm kev kub siab. Yog li no, kev tiv thaiv hluav taws kom zoo li siv cov xim tsis zoo lossis kev ua haujlwm sab nraud kom tau raws li kev ntsuas lub tsev thiab ua tiav cov kev ntsuas uas tsis kam, feem ntau tau hais tawm hauv cov xuab moos.
Vim Li Cas Hlau xav Fireproofing
Tsis - combustible Xwm:Hlau tsis hlawv lossis pub hluav taws, tsis zoo li ntoo.
Siab melting taw tes:Cov hlau melts ntawm ib ncig ntawm 2,500℃f, tab sis nws cov teeb meem muaj zog ntau dua ntawm ntau qis dua kub, ib ncig ntawm 800 degree), nws khaws cia tsuas yog kwv yees li 20% ntawm nws cov txiaj ntsig lub zog.
Codes Tsev Tsev:Lub tsev lis dej num xav tau cov hlau kom ntseeg tau ruaj khov thiab muab sijhawm rau cov neeg nyob kom nyab xeeb thaum hluav taws.
Yuav ua li cas steel yog hluav taws kub - rated
Hluav taws kub -} rated steel tau tiav los ntawm ntau txoj kev tiv thaiv hluav taws kub, suav nrog:
Intumescent Txheej:
Cov xim tshwj xeeb tshwj xeeb nthuav dav thaum raug cua sov, tsim cov txheej insulating txheej uas tiv thaiv cov hlau.
Cov rwb thaiv tsev sab nraud:
Txau -}} On fireproofing cov ntaub ntawv feem ntau siv los ua ib qho tuab, tiv thaiv ib puag ncig cov hlau.
Sab hauv rwb thaiv tsev:
Rau hollow hlau seem (HSS), rwb thaiv tsev tuaj yeem thov sab hauv kom cov steel qhov kub {{}}} Rose Resce.
Npog lossis cladding:
Cov hlau tuaj yeem them nrog cov ntaub ntawv uas muab cov hluav taws kub tiv thaiv.
Hluav taws kub - tsis kam
Cov Qauv Kuaj:
Fireproofing raug sim rau cov qauv zoo li ASTM E119 / ul 263 los txiav txim nws cov hluav taws kub- Cov kev ntaus nqi tiv thaiv nws.
Kev Ntsuas Lub Neej:
Cov kev ntsuas hluav taws feem ntau yog rau 1, 2, 3, lossis 4 teev, qhia tias muaj hluav taws kub ntev npaum li cas tuaj yeem tiv thaiv nws cov qauv kev ncaj ncees.
AISC:
Cov ntaub ntawv siv American ntawm kev siv steel (AISC) cov txheej txheem hlau hluav taws xob hlau yog tsim nyog kom tau ntsib kev xav tau hluav taws xob.
Thov nkag mus rau hauv kev sib cuag nrog servicer yog tias yuav tsum tau kawm ntau dua ntawm cov khoom lag luam thiab loj rau
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