Hauv peb lub tebchaws, feem ntau ntawm cov khoom siv raw siv hauv kev loj yog asphalt, yog li asphalt mixing nroj tsuag kuj tseem txhim kho sai. Txawm li cas los xij, nrog txoj kev loj hlob sai ntawm kuv lub teb chaws txoj kev lag luam, cov teeb meem ntawm asphalt pavement tau maj mam nce, yog li kev lag luam cov kev xav tau rau asphalt zoo tau nce siab dua.

Muaj ntau yam uas cuam tshuam rau qhov zoo ntawm kev siv asphalt. Ntxiv rau cov khoom siv uas ua tau raws li cov kev cai ntawm asphalt mixing cog, qhov feem ntawm cov ntaub ntawv raw kuj tseem ceeb heev. kuv lub teb chaws txoj cai kev lag luam tam sim no tau teev tseg tias qhov loj me ntawm cov asphalt sib tov siv nyob rau hauv cov txheej txheej sab saud ntawm txoj kev loj tsis tuaj yeem tshaj li ib nrab ntawm cov txheej tuab, qhov loj me ntawm cov khoom sib xyaw hauv nruab nrab txheej tsis tuaj yeem tshaj li ib nrab ntawm cov thickness ntawm ob- thib peb txheej, thiab qhov loj ntawm cov txheej txheem txheej tsis tuaj yeem tshaj qhov tuab tib yam. ib feem peb ntawm txheej.
Nws tuaj yeem pom los ntawm cov kev cai saum toj no tias yog tias nws yog txheej asphalt ntawm qee qhov tuab, qhov loj me ntawm qhov sib xyaw asphalt yog qhov tshwj xeeb loj, uas tseem yuav muaj kev cuam tshuam zoo rau kev tsim kho ntawm asphalt qhob pavement. Lub sijhawm no, qhov kev faib ua feem ntawm cov khoom siv raw yuav tsum tau txiav txim siab. Peb yuav tsum tshawb xyuas ntau qhov chaw sib sau ua ke yog tias tsim nyog. Tsis tas li ntawd, tus qauv ntawm asphalt mixing cog kuj yog ib qho tseem ceeb uas yuav tsum tau xav txog.
Txhawm rau kom ntseeg tau qhov zoo ntawm paving, cov neeg ua haujlwm yuav tsum nruj me ntsis tshuaj xyuas thiab tshuaj xyuas cov ntaub ntawv raw. Kev xaiv thiab kev txiav txim siab ntawm cov khoom siv raw yuav tsum tau ua raws li qhov yuav tsum tau ua ntawm cov qauv kev taug kev thiab kev siv zoo, ua ke nrog cov khoom siv tiag tiag, xaiv cov khoom tsim nyog kom cov ntaub ntawv raw khoom tuaj yeem ua tau raws li qhov yuav tsum tau ua.