Raws li qhov kev thov rau kev tsim kho vaj tse txuas ntxiv mus, kev tsim kho ib txwm muaj thiab cov ntaub ntawv txhawb nqa ntsib cov kev txwv. Txawm li cas los xij, ib qho kev daws teeb meem tshiab tab tom tshwm sim - cov fiberglass rebar zoo. Cov iav fiber rebar, tseem hu ua GFRP (Glass Fiber Reinforced Polymer) rebar, tab tom paving txoj kev rau yav tom ntej ntawm cov pob zeb reinforced nrog nws cov khoom zoo dua thiab ntau yam zoo. Hauv cov blog no, peb yuav tshawb nrhiav cov txiaj ntsig ntawm GFRP thiab nws qhov cuam tshuam rau kev lag luam kev tsim kho.
Vim li cas thiaj xaiv cov khoom siv fiberglass zoo:
Nrog ntau tshaj nees nkaum xyoo ntawm kev paub txog kev tsim cov fiberglass, peb lub Hoobkas zoo siab los muab rau peb cov neeg siv khoom nrog cov kev daws teeb meem GFRP zoo tshaj plaws. Peb siv zog ua koj tus khub lag luam txhim khu kev qha, npaj txhij los daws txhua yam teeb meem thiab ua tiav koj cov xaj. Tam sim no, cia peb dhia mus rau hauv cov laj thawj vim li cas cov fiberglass rebar zoo yog thawj qhov kev xaiv rau cov haujlwm tsim kho.
Cov hlau ib txwm muaj feem yuav xeb, ua rau cov qauv puas tsuaj raws sijhawm. Txawm li cas los xij, GFRP tshem tawm qhov kev pheej hmoo no vim nws tiv taus heev
xeb. Qhov tseeb, GFRP tuaj yeem ua rau kom cov pob zeb ua vaj tse ruaj khov txog plaub npaug, ua kom cov khoom siv hauv paus ua tau raws li qhov xav tau yav tom ntej, xws li tsheb coob.
GFRP rebar muaj lub zog tensile zoo kawg nkaus, ua rau nws yog ib qho kev xaiv txhim khu kev qha. Tsis tas li ntawd, nws cov modulus elastic siab tso cai rau nws kom tiv taus qhov siab txawm tias nruj dua li cov pas nrig hlau ib txwm muaj. Lub zog no yog qhov tseem ceeb rau kev ua kom ntseeg tau tias qhov kev ntseeg tau thiab lub neej ntev ntawm cov qauv.
GFRP rebar muaj kev tiv taus zoo heev rau ntau yam ib puag ncig, suav nrog cov kua qaub, alkalis, thiab ntsev. Nws kuj tsis yog conductive thiab tuaj yeem tiv taus qhov kub siab, ua rau nws haum rau ntau yam kev siv hauv ntau yam huab cua thiab tej yam kev mob.
Ntxiv rau nws cov txiaj ntsig zoo ntawm kev siv tshuab, GFRP rebar kuj yog ib qho kev xaiv zoo rau ib puag ncig. Ua los ntawm fiberglass, basalt thiab silica-resistant alkali fibers, nws yog ib qho kev xaiv ruaj khov rau kev txhawb nqa hlau. Los ntawm kev koom ua ke GFRP steel bars, cov haujlwm tsim kho pab txo cov pa roj carbon thiab txhawb kom lub ntiaj teb ntsuab dua.
Cov fiberglass rebar zoo heev tab tom hloov pauv kev lag luam kev tsim kho, muab kev ua tau zoo tsis muaj qhov sib piv rau kev txhawb nqa cov khoom siv yav tom ntej. Nws txoj kev tiv thaiv corrosion, lub zog siab thiab kev ruaj khov ua rau nws yog qhov kev xaiv zoo dua li cov hlau rebar ib txwm muaj. Peb lub Hoobkas mob siab rau kev muab cov kev daws teeb meem GFRP zoo tshaj plaws, kom ntseeg tau tias peb cov neeg siv khoom tau txais txiaj ntsig ntawm cov khoom siv tshiab no. Txais tos yav tom ntej ntawm kev tsim kho nrog cov fiberglass reinforcement zoo thiab pom nws qhov cuam tshuam hloov pauv rau kev txhim kho cov khoom siv.
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Lub sijhawm tshaj tawm: Kaum Ib Hlis-24-2023