Lub hom phiaj tseem ceeb ntawm kev hloov pauv hauv asphalt yog txhawm rau txhim kho txoj kev ua haujlwm ntawm asphalt sib tov ntawm qhov kub thiab txias, txo qhov deformation mus tas li ntawm qhov kub thiab txias, txhim kho kev ua haujlwm ntawm kev tiv thaiv rutting, tiv thaiv qaug zog, tiv thaiv kev laus, thiab tiv thaiv kev tawg ntawm tsis tshua muaj kub los yog ua kom muaj peev xwm tiv thaiv kev qaug zog ntawm qhov kub thiab txias, kom nws tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm cov tsheb khiav hauv lub sijhawm tsim.