Thaum siv cov asphalt tov cog, yuav ua li cas tswj cov dej siv, cia tus editor coj koj los nkag siab nws ua ke!
Cov chaw sib xyaw ua ke zoo ib yam li asphalt sib xyaw cov nroj tsuag. Lawv yog ob qho tib si kev tshaj lij cov khoom siv rau kev tsim khoom. Txhawm rau kom ntseeg tau tias qhov ua tau zoo ntawm cov pob zeb ua tau raws li cov qauv, peb yuav tsum tsis tsuas yog yuav tsum tau them sai sai rau qhov piv ntawm cov khoom siv raw, tab sis kuj yuav tsum tau npaj kom muaj kev sib haum xeeb.

Thaum lub pob zeb sib xyaw ua ke tsim cov pob zeb, nws yuav tsum siv ntau cov ntaub ntawv raw thiab cov khoom sib xyaw. Thaum lawv tau proportioned, kev siv dej yuav tsum tau ua tiag tiag. Kev xyaum tau ua pov thawj tias kev siv dej tsawg dua yuav cuam tshuam rau lub zog ntawm cov pob zeb, tab sis kev siv dej ntau dua yuav txo qhov ua tau zoo ntawm cov pob zeb.
Hais txog kev siv dej thaum lub sijhawm ua haujlwm ntawm cov pob zeb sib xyaw cog, peb yuav tsum ua ntej nruj me ntsis ntsuas cov khoom ntawm txhua yam khoom siv txhawm rau tswj cov yam ntxwv saum toj no kom txo tau cov dej siv. Piv txwv li, asphalt mixing cog tuaj yeem txo cov dej haus tau zoo los ntawm kev siv cov khoom siv cementitious ntau los txhim kho kev ua haujlwm.
Lossis koj tuaj yeem ua kom cov khoom sib xyaw ua ke hauv cov pob zeb sib xyaw, lossis siv cov khoom siv ua haujlwm siab thiab cov dej-txo cov khoom siv, thiab xaiv cov khoom sib xyaw thiab cov cement ntau yam nrog kev hloov pauv zoo dua. Txhim kho cov xuab zeb thiab gravel grading, nrhiav qhov zoo tshaj plaws xuab zeb thiab gravel grading rau txhua qhov sib tov kom txhim kho kev ua haujlwm, yog li txo cov dej siv.
Sim sib txuas lus nrog cov koom haum tsim kho ntawm cov pob zeb sib xyaw cog, thiab koom tes nrog ntau tus neeg tsim kho cov neeg ua haujlwm kom tsis txhob muaj kev poob qis. Nws yog ib qho tsim nyog kom paub tseeb tias qhov loj dua qhov slump, nws yuav yooj yim dua rau lub twj tso kua mis, tab sis kev ua hauj lwm thiab cov nqi ntawm cov pob zeb crushed yuav tsum tau kho.
Feem ntau, kev siv dej ntawm qhov tseeb ntawm cov pob zeb sib xyaw cog yuav txawv heev ntawm kev siv dej ntawm kev sim sib xyaw. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum nruj me ntsis xaiv cov ntaub ntawv uas zoo dua los yog ze rau qhov kev sim sib xyaw cov ntsiab lus kom qhov zoo ntawm cov pob zeb ua tau raws li qhov yuav tsum tau ua.