Kev Kho Txoj Kev thiab txij nkawm Asphalt Cov Khoom Siv Txias
Kev kho txoj kev thiab kho cov khoom lag luam asphalt thaj yog cov khoom siv yooj yim thiab yooj yim thiab yooj yim thiab yooj yim thiab yooj yim thiab yooj yim thiab yooj yim thiab yooj yim thiab yooj yim thiab yooj yim Cov hauv qab no yog cov lus qhia ntxaws ntxaws: /
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1. Cov ntsiab lus thiab muaj pes tsawg leeg /
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asphalt txias patching cov khoom siv, yog ib tug neeg cais khoom txias asphalt, yog ib qho khoom siv rho tawm, cov khoom ntxiv tshwj xeeb thiab cov pob zeb). Cov ntaub ntawv no tau sib xyaw raws li qee qhov kev faib ua feem ntawm cov kws lij choj cov khoom siv los ua cov kua roj ua kua kom tiav thaum kawg ", thiab tom qab ntawd" asphalt Nta thiab cov txiaj ntsig /
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hloov kho, tsis yog qhov tseeb ntawm kev txhaj tshuaj zoo nkauj, uas muaj cov khoom siv asphalt) li cov khoom siv ua kua thiab tuab, nrog cov khoom ruaj khov. Nws yog cov khoom siv tseem ceeb rau cov khoom txias txias ./
/2/2/2/2/2/200 thiab 50 ℃, thiab tuaj yeem siv tag nrho cov huab cua. Nws yog qhov haum rau kev kho ntau hom kev nyob rau hauv ib qho huab cua thiab ib puag ncig, Maas pob zeb ntau, chaw nres tsheb, tshav dav hlau khiav, thiab choj. Cov xwm txheej nthuav dav, Potces ntawm txoj kev loj, kev siv hluav taws xob ntau, xws li muab tso rau cov khoom cua txias, ntxiv rau kev ua haujlwm kub Duav los yog cov cuab yeej sib sau ua ke: asphalt thaj chaw muaj cov qauv zoo nkauj, thiab tsis yooj yim rau cov khoom lag luam zoo nkauj
Kawm Dua
2024-11-11