Video: Dab tsi yog asphalt phau ntawv?
2024 Tus sau: Taylor Roberts | [email protected]. Kawg hloov kho: 2023-12-16 00:29
Nqe lus piav qhia. Asphalt phau ntawv ™ yog ib qho anionic asphalt emulsion tsim los siv ua lub tsho tiv no rau txheej, txheej, thiab txheej txheej. Asphalt Binder ™ txhawb nqa adhesion ntawm bituminous qhob khoom thiab coatings.
Raws li qhov no, dab tsi yog asphalt binder ua los ntawm?
Cov asphalt ntaub ntawv yog tsim los ntawm cov tuab, hnyav hnyav hnyav (seem nqus) uas tseem tshuav tom qab siv cov roj av kom tshem tawm cov roj thiab roj nplua nyeem (saib Tshooj 2).
Tom qab ntawd, lo lus nug yog, cov ntsiab lus phau ntawv yog dab tsi? Txheej txheem cej luam. Asphalt cov ntsiab lus binder cuam tshuam rau HMA kev sib xyaw ua haujlwm hauv thaj tsam ntawm kev nruj, lub zog, ua haujlwm ntev, lub neej qaug zog, raveling, rutting thiab ya raws puas. Kev ntsuas hluav taws xob yog txoj kev siv ntau tshaj plaws los txiav txim siab HMA asphalt phau ntawv ntsiab lus.
Kuj Paub, cov khoom twg yog qhov tseem ceeb tshaj plaws 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.
Kev tsim kho txoj kev yog dab tsi?
Hauv txoj kev tsim kho bitumen ib phau ntawv (kwv yees li 5%) thiab sib sau ua ke (kwv yees li 95%) daim ntawv asphalt. Rau kev tsim cov asphalt feem ntau siv hom yog paving qib bitumen, tab sis kuj siv cov polymer hloov bitumen, luv PmB, ua ntau thiab nrov.
Pom zoo:
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