Mayelana nokuqonda okuningiliziwe kwe-asphalt eguquliwe yendawo egandayiwe
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Mayelana nokuqonda okuningiliziwe kwe-asphalt eguquliwe yendawo egandayiwe
Isikhathi Sokukhipha:2024-12-09
Funda:
Yabelana:
Njengomkhiqizi ochwepheshe we-Sinoroader, sikunikeza uhlobo lomgwaqo oluvuzayo lwe-asphalt e-emulsified, okuyi-aggregate eyinhloko ekuhlanganiseni kokuqala, ukufafaza ungqimba lwe-emulsion ngemva kokuhlakazwa, ukufafaza i-emulsion, nokuhlanganisa isakhiwo se-pavement isinyathelo ngesinyathelo. Ilungele imigwaqo yesibili neyesibili, futhi ingasetshenziswa njengesendlalelo sesixhumanisi se-asphalt pavement noma isisekelo.

Ngenxa ye-porosity enkulu yohlobo lokungena kwenaliti ye-asphalt emulsified, ingaphezulu lingena kalula esisekelweni, ngakho-ke impahla yokugandaya kanye nempahla yokuvala noma ungqimba kufanele ibekwe. Njengokugandaya isisekelo esiqinile, njengongqimba oluvalayo. Uma isetshenziswa njengesendlalelo sokuhlanganisa, impahla kanye nengaphezulu akukwazi ukuvalwa.
Uhlobo lokungena kwe-asphalt emulsified luwukukhethwa kokwakhiwa ngenkathi eyomile neshisayo. Kufanele kube ngenkathi yemvula, ingxenye yenyanga ngaphambi kokuba izinga lokushisa eliphezulu libe ngaphansi kuka-15℃, ngakho-ke ingajovwa ngokugeleza kongqimba lwesakhiwo esivulekile ukuze ishayele ukugingqika, okwakhiwe ngokugcwele ngaphambi kwesizini.
I-asphalt permeable aggregate e-emulsified kufanele ikhethwe nge-engeli, ishumekwe edwaleni eliqinile, futhi lapho igravel iphukile, indawo echotshoziweyo inkulu kuno-40%. Ububanzi bosayizi bokungena kwesendlalelo esiyinhloko alikho ngaphansi kuka-50% yenani eliphelele. Alukho uhlobo lwe-asphalt oluvunyiwe olungaphezulu oluvunyelekayo, ekupheleni kokwakhiwa, yonke indawo yomgwaqo engu-1000㎡ kufanele ibe enye i-cubic metres engu-2 ~ 3, isamba esihle ngemva kongqimba lwento yokuvala enezincazelo ezifanayo, ukuze kutholakale ukwelashwa kokuqala.