Vim li cas qee txoj kev ua pob zeb?
Vim li cas qee txoj kev ua pob zeb?

Video: Vim li cas qee txoj kev ua pob zeb?

Video: Vim li cas qee txoj kev ua pob zeb?
Video: THAM TXOG VIM LI CAS HO ZOO ROV LOS ; lus ua tsaug N.P.Z 2021 2024, Kaum ib hlis
Anonim

Kev ua vaj tse yog ruaj thiab nyab xeeb. Lawv tsis tshua muaj kev hnav thiab tsim kua muag tsis xws luag xws li rutting, cracking, stripping poob ntawm kev ntxhib los mos, thiab cov poholes uas tuaj yeem tshwm sim nrog cov pavement yooj yim. Qhov kev tu ncua qis no yog ib qho ntawm cov txiaj ntsig tseem ceeb ntawm pob zeb pavements.

Ib yam li ntawd, vim li cas txoj kev ua pob zeb?

Kev ua vaj tse yog cov ruaj thiab ntau tus phooj ywg ib puag ncig zoo li piv rau asphalt txoj kev . Txawm li cas los xij, asphalt paving nqi tsawg dua pob zeb paving. Tsis tas li ntawd, asphalt txoj kev muab kev nyab xeeb me ntsis ntawm lub tsheb tiv thaiv daus thiab skidding.

Ib yam li ntawd, vim li cas lawv siv asphalt es tsis yog pob zeb? Txoj kev ua los ntawm pob zeb yog yooj yim rau tawg vim qhov chaw yog nruj thiab nruj. Qhov no feem ntau tshwm sim tshwj xeeb tshaj yog thaum ntau xuab zeb thiab pob zeb siv nyob rau hauv proportions rau cement uas ua raws li ib tug binder. Asphalt tuaj yeem tiv taus lub zog hnyav txawm tias cov tsheb thauj khoom vim thaum nws cov ntsiab lus qhuav, nws ua zog.

Tsis tas li ntawd, txoj kev yog cov cement lossis pob zeb?

Asphalt txoj kev muaj xim tsaus nti thiab muaj nyob rau hauv cov nroog tsis khoom nyob rau sab hnub poob. Nws hloov tau yooj yim thiab tuaj yeem tuav cov khoom hnyav, txawm tias qee zaum nws yuav tsum muaj cov khoom siv hauv qab. Kuj tseem muaj kev sib xyaw ntawm cov khoom sib txawv, pob zeb yog ua ntawm Portland (qhov feem ntau daim ntawv ntawm cement ), xuab zeb, dej, thiab pob zeb.

Hom pob zeb siv li cas rau txoj kev?

Feem ntau, dawb pob zeb yog siv rau kev tsim cov pavements, footpaths thiab vaj tse nyob rau hauv cov cheeb tsam uas tsis xav tau lub zog tensile siab. Siab zog Pob zeb - Siab zog pob zeb yog npaj los ntawm kev txo cov dej-cement piv rau tsawg dua 0.35.

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