Cov txheej txheem:
Video: Dab tsi yog cov yam ntxwv ntawm asphalt?
2024 Tus sau: Taylor Roberts | [email protected]. Kawg hloov kho: 2023-12-16 00:29
Qhov tseem ceeb ntawm Asphalt pob zeb
- Kev ruaj ntseg.
- Durability.
- Yooj yim.
- Fatigue Resistance.
- Skid Resistance.
- Impermeability.
- Ua haujlwm tau.
Kuj paub yog, dab tsi yog cov yam ntxwv ntawm bitumen?
Hauv qab no yog cov khoom ntawm Bitumen
- Adhesion.
- Kev tiv thaiv dej.
- Hardness.
- Viscosity thiab Flow.
- Softening Point.
- Ductility.
- Specific Gravity.
- Durability.
Ib tug kuj yuav nug, dab tsi yog kev siv asphalt? Thawj qhov siv (70%) ntawm asphalt yog nyob hauv txoj kev kev tsim kho , qhov twg nws tau siv los ua cov kua nplaum los yog phau ntawv sib xyaw nrog cov khoom sib xyaw los tsim cov asphalt qhob. Nws lwm yam kev siv tseem ceeb yog rau cov khoom siv hluav taws xob bituminous, suav nrog ntau lawm ntawm vov tsev xav thiab rau sealing ru tsev tiaj tus.
Ntxiv mus, dab tsi yog cov khoom siv ntawm asphalt?
Rau kev nkag siab tob txog asphalt cov cov khoom xyaw, cov elemental Cheebtsam ntawm asphalt suav nrog cov pa roj carbon, hydrogen, sulfur, oxygen, nitrogen, thiab cov lej ntawm cov hlau, nickel, thiab vanadium.
Yam khoom twg tseem ceeb tshaj rau asphalt binder?
Feem ntau, cov tseem ceeb tshaj plaws lub cev khoom yog: Durability. Durability yog ntsuas li cas asphalt ntaub ntawv lub cev khoom hloov nrog hnub nyoog (qee zaum hu ua age hardening). Feem ntau, raws li ib qho asphalt ntaub ntawv muaj hnub nyoog, nws viscosity nce thiab nws ua ntau dua tawv thiab nkig.
Pom zoo:
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