Lesi sihloko sihlola izibonelo ezivelele ze izitshalo ze-asphalt ezisetshenziswe kabusha ezidumile emhlabeni jikelele, behlola ubuchwepheshe babo, amakhono, kanye nomthelela kwezemvelo. Sizocubungula izici ezibalulekile ezinomthelela empumelelweni nasedumeni lemboni embonini, okuhlanganisa ukusebenza kahle, izinqubo zokusimama, nezixazululo ezintsha zokugaywa kabusha kwetiyela.
Abaningi izitshalo ze-asphalt ezisetshenziswe kabusha ezidumile sebenzisa ubuchwepheshe bokugaywa kabusha kwe-hot mix asphalt (HMA). Lezi zitshalo zicubungula i-asphalt pavement ebuyiselwe (i-RAP) ngokuyifudumeza futhi ixutshwe nezilinganiso ezimsulwa kanye ne-asphalt binder ukuze kukhiqizwe i-HMA entsha. Ukusebenza kahle kanye nekhwalithi yomkhiqizo wokugcina kuncike kakhulu ekulawuleni okunembile kwezinga lokushisa nezinqubo zokuxutshwa. Abakhiqizi abaningana abahamba phambili, njenge I-Taian Yueshou Mixing Equipment Co., Ltd., nikeza izitshalo ezithuthukisiwe zokugaywa kabusha kwe-HMA ezinezici ezifana nezinhlelo zokulawula ezizenzakalelayo nokusebenzisa amandla okuthuthukisiwe. Lezi zinhlelo zehlisa imfucuza futhi zithuthukise ukusimama kwayo yonke inqubo.
I-Cold in-place recycling (CIR) inikeza enye indlela yokugaywa kabusha kwetiyela. Izitshalo ze-asphalt ezigaywe kabusha ezidumile kusetshenziswa ubuchwepheshe be-CIR kusimamisa i-asphalt egandayiwe ekhona endaweni, kunciphisa isidingo sokumbiwa okubanzi nezokuthutha. Lezi zitshalo ngokuvamile zisebenzisa izinto eziyisipesheli ukuze zicolise itiyela elikhona, ziyixube ne-ejenti yokusimamisa, bese ziyihlanganisa kabusha. Izinzuzo zemvelo ze-CIR zibalulekile ngenxa yokuncipha kwezokuthutha kanye nokumosha izinto ezibonakalayo. Nokho, ukufaneleka kwe-CIR kuncike esimweni sendlela ekhona kanye nesimo sezulu.
Ukuvelela kwe-a isitshalo se-asphalt esidumile esenziwe kabusha ngokuvamile kuvela ekuhlanganiseni kwezinto:
(Qaphela: Ngenxa yemvelo eyimfihlo yezinye izinhlelo zokusebenza kanye nemvelo eguquguqukayo yemboni, amagama ezitshalo ezithile kanye nezibalo zokukhiqiza ezinemininingwane ngokuvamile azitholakali esidlangalaleni. Lokhu okulandelayo kumelela izibonelo ezijwayelekile zezinhlobo zezitshalo namandla.)
| Uhlobo Lwezitshalo | Amandla (amathani/ihora) | Izici Eziyinhloko |
|---|---|---|
| Isikhungo esikhulu Sokugaywa kabusha kwe-HMA | 150-300 | Amasistimu okulawula okuzenzakalelayo, ama-burners asebenza kahle kakhulu, ubuchwepheshe obuphambili bokuhlanganisa |
| Isitshalo se-CIR esinosayizi omaphakathi | 50-100 | Iyunithi yeselula, evumelana nezimo ezihlukahlukene ze-pavement, enobungani bemvelo |
| Iyunithi Encane Yokucubungula I-RAP | 10-20 | Idizayini ehlangene, ifanele amaphrojekthi endawo, ayongayo |
Inkambu ye izitshalo ze-asphalt ezisetshenziswe kabusha ezidumile ilokhu ivela njalo, iqhutshwa intuthuko kwezobuchwepheshe, ukwanda kokuqwashisa ngemvelo, kanye nesidingo esikhulayo sezixazululo zengqalasizinda esimeme. Ngokugxila ekusungulweni, ekusimameni nasekusebenzeni kahle, lezi zitshalo zidlala indima ebalulekile ekudaleni ukwakhiwa nokugcinwa kwemigwaqo ngendlela engabizi imvelo futhi engabizi.
1 Idatha yamandla ezitshalo isuselwe kuma-avareji emboni futhi ingahluka kuye ngemiklamo ethile yezitshalo nobuchwepheshe.