Lub luag haujlwm ntawm kev sib xyaw asphalt sib xyaw yog nthuav tawm cov khoom sib xyaw asphalt pob zeb sib npaug ntawm txoj kev hauv qab los yog hauv paus, thiab precompacting thiab shaping nws mus rau ib qho twg, tsim cov asphalt qhob hauv paus lossis asphalt pob zeb txheej txheej. Pavers tuaj yeem ua kom lub thickness, dav, camber, flatness thiab compactness ntawm paving txheej. Yog li ntawd, nws yog dav siv nyob rau hauv asphalt qhob kis tau tus mob ntawm txoj kev loj, nroog txoj kev, loj freight yard, chaw nres tsheb, wharf thiab tshav dav hlau thiab lwm yam dej num. Nws tseem tuaj yeem siv rau hauv kev sib kis ntawm cov ntaub ntawv ruaj khov thiab qhuav tawv cement pob zeb cov ntaub ntawv. Qhov zoo ntawm asphalt sib tov sib kis ncaj qha txiav txim siab qhov zoo thiab kev pabcuam lub neej ntawm txoj kev