Txoj Ncauj Lus Nug Feem ntau, cov yeeb nkab lossis rebartuaj yeem siv. Cov pas nrig hauv av yuav tsum tau ua los ntawm cov hlau galvanized thiab tseem yuav tsum muaj tsawg kawg yog plaub taw ntev kom tau txais txiaj ntsig zoo tshaj plaws.
Koj puas tuaj yeem cog rau rebar?
Rebar TSIS TAU los koom nrogib hom pob zeb ua pob zeb encased electrode rau cov hlau hom grounding electrode conductor. B: Kev tiv thaiv corrosion yog xav tau rau cov rebar raug yog hais tias tus rebar kov lub ntiaj teb.
Yuav ua kom xeb hauv av?
Cov khoom siv dav dav, qib 40 thiab 60 yog cov hlau me me. Rebar yuav xeb dhau. Lub sijhawm xav tau yog nyob ntawm ib puag ncig (kub, av noo, pa phem, ntsev, thiab lwm yam). Txoj hauv kev zoo tshaj plaws kom tsis txhob muaj teeb meem yog txheej txheej kawg uas yuav raug zinc.
Dab tsi yog qhov tob tshaj plaws rau tus pas nrig hauv av?
Tsuas yog txoj cai hauv av yuav tsum tau nruab qhov tsawg kawg nkaus 8-ko tawhauv av.
Yuav ua li cas rau tus pas nrig hauv av?
Galvanized steel, tooj liab-bonded steel thiab stainless hlauyog cov khoom siv tshaj plaws uas xav tau rau hauv av hauv feem ntau ntawm lub ntiaj teb. Galvanized steel rods feem ntau yog cov khoom siv vim lawv pheej yig, tso cai los ntawm NEC thiab UL teev.
