Tom qab cov asphalt sib tov rau hauv asphalt mixing cog, nws yuav raug tso tawm los ntawm kev tso tawm tshwj xeeb, uas kuj yog qhov kawg txuas hauv kev sib xyaw asphalt. Txawm li ntawd los, muaj tej yam uas xav tau kev saib xyuas.

Rau qhov kev tso tawm ntawm asphalt tov cog, ua ntej ntawm tag nrho cov, xyuas kom meej tias nws yog ntsia stably; Thib ob, tom qab txhua qhov sib tov, cov seem seem ntawm cov khoom siv tawm yuav tsum tau tswj kom txog li 5% ntawm qhov muaj peev xwm tawm, uas yog los xyuas kom meej qhov sib xyaw ua haujlwm. Nyob rau tib lub sijhawm, kev ntxuav cov khoom siv sab hauv yuav pab txuas ntxiv lub neej kev pabcuam ntawm cov khoom siv.
Tom qab cov asphalt raug tso tawm los ntawm cov nroj tsuag sib xyaw, lub qhov rooj yuav tsum raug kaw kom ntseeg tau, thiab xyuas seb puas muaj cov seem slurry thaiv lossis xau thiab lwm yam tshwm sim tsis zoo. Yog tias muaj, nws yuav tsum tau ua tib zoo saib xyuas thiab kho raws sijhawm.