1. Vim li cas cov kws kho hluav taws xob thiaj siv cov kav hlau?
Cov kav hlau siv tau los tiv thaiv cov voj voog rhiab heev ntawm kev cuam tshuam hluav taws xob, thiab tseem tuaj yeem tiv thaiv kev cuam tshuam ntawm cov xov hluav taws xob uas kaw. Cov kav hlau uas tsis yog hlau tiv taus xeb thiab tsis hnyav, txo cov nqi zog rau kev teeb tsa.
2. Qhov txawv ntawm cov kav dej thiab cov yeeb nkab galvanized yog dab tsi?
Cov yeeb nkab galvanized tuaj yeem tsim tau yuav luag txhua txoj kab uas hla, thaum cov kav hlau khov kho muaj nyob rau hauv txoj kab uas hla ntawm 1/2 nti thiab 6 nti. Cov kav hlau galvanized tuaj yeem raug tshuab kom muaj cov xov lossis cov txuas rau ntawm qhov kawg. Cov kav hlau khov kho yog tsim los nrog ib qho kawg txuas thiab ib qho kawg xov.
3. Qhov zoo ntawm cov kav hlau yog dab tsi?
Tiv thaiv kev cuam tshuam ntawm txhua qhov kub thiab txias. Cov hlau EMT, RMC thiab IMC muab kev tiv thaiv lub cev zoo dua. Ua rau cov ntsia hlau thiab cov ntsia hlau tsis ncab, thiab tsis ncab lossis rhuav. Qhia txog kev ruaj khov thiab lub zog siab tshaj plaws / tensile.