Hauv kev tsim vaj tsev hauv pej xeem, asphalt yog siv dav hauv cov khoom siv dej tsis zoo thiab cov khoom siv tiv thaiv corrosion, feem ntau yog siv los tiv thaiv lub ru tsev, hauv av thiab hauv av, thiab tiv thaiv corrosion ntawm ntoo thiab hlau. Asphalt kuj yog ib qho kev siv dav siv pavement cementing khoom hauv txoj kev engineering. Nws tuaj yeem siv rau hauv kev faib ua feem nrog cov khoom siv ntxhia ntawm cov khoom sib txawv los tsim asphalt pavements ntawm cov qauv sib txawv, thiab siv dav hauv txoj kev loj.
