Paving asphalt pavement (feem ntau siv hnyav 90 # 70 # thiab hloov asphalt) Asphalt muaj qhov zoo adhesion, rwb thaiv tsev, rwb thaiv tsev kub, noo-pov thawj, seepage-proof, waterproof, anti-corrosion, thiab xeb-pov thawj khoom ntau yam kev siv dua li paving. Thaum tsim vaj tse, asphalt feem ntau yog siv los ua cov txheej txheem dej. Thaum tsim lub chaw cia txias, asphalt thiab ntoo chips feem ntau sib xyaw ua ib txheej rwb thaiv tsev; thov asphalt ntawm railway sleepers tuaj yeem tiv thaiv corrosion; thov asphalt ntawm cov kav dej hauv av tuaj yeem tiv thaiv xeb; thov ib txheej ntawm asphalt ntawm cov reservoirs thiab dams yuav tiv thaiv seepage thiab to; txhaj tshuaj asphalt rau hauv cov pob qij txha ntawm cov choj decks tuaj yeem ua lub luag haujlwm hauv thermal expansion thiab contraction. Asphalt kuj tuaj yeem sib xyaw nrog lwm cov ntaub ntawv los ua cov xim asphalt, asphalt xav, asphalt roj hmab, asphalt txheej, asphalt rwb thaiv tsev kua nplaum thiab lwm yam khoom. Nrog rau txoj kev loj hlob ntawm niaj hnub science thiab technology, kev siv roj av asphalt tau ua ntau dua. Hais txog cov khoom siv hauv tsev, sib tov asphalt nrog av tuaj yeem ua rau asphalt cib thiab asphalt boards nrog lub zog siab, tsis tshua muaj dej nqus, zoo nkauj thiab ruaj khov. Qhov no yog hom tshiab ntawm cov khoom siv hauv tsev. Hauv kev ua liaj ua teb, asphalt thiab chiv tau sib xyaw thiab txau rau ntawm cov av kom sov, txo cov dej evaporation, thiab tiv thaiv cov chiv poob. Hauv kev lag luam hluav taws xob, asphalt tuaj yeem siv los ua cov khoom siv insulating thiab cable tiv thaiv txheej, tshwj xeeb tshaj yog cov kab hauv av thiab cov kab hauv qab dej. Tsis tas li ntawd, yog tias asphalt tau ua tiav ntxiv, nws tuaj yeem siv los tsim cov roj av coke, uas yog tsim nyog rau kev lag luam steelmaking, thiab tseem tuaj yeem muab cov pa roj carbon fiber ntau, uas tsim nyog rau kev tsim cov khoom siv dav hlau, thiab lwm yam.
