Isici sobuchwepheshe sobuchwepheshe bokuvalwa kwamatshe ngesikhathi esisodwa ukuthi umshini owodwa ungasakaza izinto zokubopha namatshe ngesikhathi esisodwa. I-asphalt netshe kufanele kuhlanganiswe phakathi nomzuzwana owodwa. Izinga lokushisa letiyela elishisayo liyi-140 ° C lapho impahla yokubopha ifuthwa, futhi izinga lokushisa lingaqinisekiswa ukuthi lingaphezu kuka-120 ° C ngesikhathi sokubopha. Izinga lokushisa letiyela lehla kancane kakhulu. Ngalesi sikhathi, i-fluidity ye-asphalt binder iseyinhle kakhulu, futhi indawo yokubopha ngetshe inkulu, okuthuthukisa ukubopha ngetshe. Amandla esibopho samatshe. Ubuchwepheshe bendabuko bokuvalwa kwendawo ngokuvamile busebenzisa izinto ezimbili ezihlukene kanye nezinqubo ezimbili zokusabalalisa ukwakhiwa. Isikhathi eside kangaka sokwakha siyobangela izinga lokushisa letiyela lehle cishe ngo-70°C, futhi umphumela wokuhlanganisa phakathi kwetshe netiyela uzoba mubi, okuholela ekulahlekeni okukhulu kwetshe futhi kuthinte ukusebenza kongqimba lokuvala. .
Ubuchwepheshe bokuvala uphawu lwamatshe okuvumelanisa bunezici ezilandelayo:
(1) Ukungangeni kwamanzi okungcono. Ukufafazwa ngasikhathi sinye kwezinto ezibophayo kungqimba lwe-gravel seal kungagcwalisa imifantu emincane endaweni yomgwaqo, kunciphise imifantu ekhanyayo endaweni yomgwaqo, futhi kwandise ukumelana nokuqhekeka kwendawo yomgwaqo, ngaleyo ndlela kuthuthukise ukusebenza komgwaqo okulwa nokuqhekeka. phezulu.
(2) Ukunamathela okuhle kanye nezakhiwo zokulwa nokushelela. Itiyela noma ezinye izinto zokubopha zibopha isamba endaweni yomgwaqo yasekuqaleni. I-1/3 ye-aggregate ingathintana ngqo namasondo. Ukuqina kwayo kwandisa i-coefficient yokungqubuzana namathayi, ukuthuthukisa ukunamathela nokunamathela komgwaqo. Ukumelana nokushelela.
(3) Ukumelana nokugqoka nokuqina. I-gravel ne-asphalt isakazeka ngesikhathi esisodwa yenza i-asphalt binder, futhi i-2/3 yokuphakama kwezinhlayiya ze-gravel ishona ku-asphalt, okwandisa indawo yokuxhumana phakathi kokubili, futhi i-concave surface ingakhiwa ngenxa yokukhanga okukhulu. amandla we-asphalt binder. Ihlanganiswe eduze ne-gravel ukuvimbela ukulahlekelwa kwetshe, ngakho-ke i-synchronous gravel seal inokumelana okuhle nokugqoka nokuqina. Lokhu futhi kungenye yezinto ezibalulekile zobuchwepheshe bokuvalwa kwamatshe okuvumelanisa ukuze kunwetshwe impilo yesevisi yemigwaqo.
(4) Umnotho. Ukuphumelela kwezindleko zokuvala amatshe ngesikhathi esisodwa kungcono kakhulu kunezinye izindlela zokwelashwa kwendawo yomgwaqo, ngaleyo ndlela kunciphisa kakhulu izindleko zokulungiswa komgwaqo.
(5) Inqubo yokwakha ilula, isivinini sokwakha siyashesha, futhi izimoto zingavulwa ngesikhathi.