Nws muaj ob chav kawm ntawm cov khoom siv bituminous: (1) asph alt; thiab (2) tar. Cov ntaub ntawv no feem ntau yog siv los ua dej-pov thawj sealants, thiab ua cov ntaub ntawv los tuav cov aggregate ua ke nyob rau hauv bituminous pavements.
Dab tsi yog cov khoom siv bituminous?
Bitumen, tseem hu ua asph alt hauv Tebchaws Meskas, yogcov khoom tsim los ntawm cov roj av uas paub txog nws cov dej tsis zoo thiab cov nplaum nplaum. Bitumen ntau lawm los ntawm distillation tshem tawm cov roj crude sib zog, xws li roj av thiab diesel, tawm hauv "hnyav" bitumen qab.
Peb hom bitumen feem ntau siv hauv kev tsim kho yog dab tsi?
Peb hom bituminous emulsions muaj, uas yog nrawm nrawm (RS), Nruab nrab teeb tsa (MS), thiab Slow setting (SC). Bitumen emulsions yog cov binders zoo tagnrho rau kev tsim kho toj roob hauv pes.
Daim ntawv dab tsi uas muaj bitumen muaj nyob?
Ntau hom Bitumen, lawv cov khoom thiab siv
- Penetration Qib Bitumen.
- YOxidized Bitumen.
- YCutback Bitumen.
- YBitumen Emulsion.
- Polymer - Hloov Bitumen.
Muaj pes tsawg hom bitumen muaj?
Muaj peb ntau yam ntawm bitumen emulsion, uas yog, qhov chaw qeeb (SS), nruab nrab qhov chaw (MS) thiab qhov chaw nrawm (RS) nyob ntawm qhov kev ruaj ntseg muab los ntawm emulsifying tus neeg sawv cev. Nws tuaj yeem siv tau yooj yim ntawm qhov kub thiab txias,tsuas yog muab nws nrog cov sib sau ua ke rau txoj kev ua haujlwm pib txoj kev khi.
