Isitshalo Se-Asphalt se-TTM - Umkhiqizi Wemishini Yokuxuba Nokuvuselela I-Asphalt Ochwepheshe Kusukela ngo-2004.
Isitshalo sokuxuba i-asphalt siyinto ebalulekile embonini yokwakha nokwakha imigwaqo. Senzelwe ukukhiqiza i-asphalt, ingxube ye-aggregate (njenge-gravel, isihlabathi, namatshe) kanye ne-bitumen, esetshenziselwa ukugawula nokufaka imigwaqo. Kodwa-ke, ukusetshenziswa kwesitshalo sokuxuba i-asphalt kudlulela ngalé kokwakhiwa kwemigwaqo kuphela. Kule bhulogi, sizohlola ukusetshenziswa okuhlukahlukene kwesitshalo sokuxuba i-asphalt nokuthi kungani siyithuluzi elibaluleke kangaka ekwakheni kwesimanje.
Okokuqala nokubaluleke kakhulu, ukusetshenziswa okuyinhloko kwesitshalo sokuxuba i-asphalt kusekwakheni nasekulungiseni imigwaqo. Kungakhathaliseki ukuthi kwakhiwe umgwaqo omkhulu omusha, ukulungisa imigodi, noma ukulungisa kabusha umgwaqo okhona, isitshalo sokuxuba i-asphalt siyinhloko yokusebenza. Lesi sitshalo sixuba i-aggregate ne-bitumen ukuze kube nokuvumelana okuphelele, okuqinisekisa ukuthi i-asphalt ihlala isikhathi eside futhi ihlala isikhathi eside.
Isibonelo, ake sithi ushayela emgwaqweni obushelelezi, osanda kuthungwa. I-asphalt oshayela kuyo kungenzeka ukuthi yakhiqizwa yisitshalo sokuxuba i-asphalt. Ngaphandle kwalezi zitshalo, imigwaqo yethu ibizoba sesimweni esibi kakhulu, futhi ukwakhiwa kwemigwaqo bekuyoba inqubo ehamba kancane kakhulu futhi edinga umsebenzi omningi.
Nakuba ukwakhiwa komgwaqo kuyindlela esobala kakhulu yokusetshenziswa, izitshalo zokuxuba i-asphalt nazo zisetshenziswa kwezinye izinhlelo zokwakha ezahlukahlukene. Isibonelo:
Okunye ukusetshenziswa okubalulekile kwezitshalo zokuxuba i-asphalt kungokongiwa kwemvelo. Izitshalo ze-asphalt zesimanje zaklanywa kucatshangelwa ukucabangela imvelo. Zingaphinda zisebenzise i-asphalt endala, zinciphise isidingo sezinto ezintsha ezihlanganisiwe kanye ne-bitumen. Lokhu akugcini nje ngokusindisa izinsiza kodwa futhi kunciphisa nomthelela wemvelo wemisebenzi yokwakha.
Ngaphezu kwalokho, izimboni eziningi zokuxuba i-asphalt manje zisebenzisa ubuchwepheshe bokonga amandla, njengokusebenzisa izinto eziphinde zasetshenziswa kanye nokwenza ngcono ukusetshenziswa kukaphethiloli. Lokhu kuthuthuka kwenza inqubo yokukhiqiza i-asphalt ibe nesimeme futhi ibe nobungane nemvelo.
Izitshalo zokuxuba i-asphalt nazo zidlala indima ebalulekile emnothweni. Zihlinzeka ngamathuba emisebenzi embonini yokwakha, kokubili ekusebenzeni kwezitshalo kanye nasekuthuthweni nasekubekweni kwe-asphalt. Ngaphezu kwalokho, ukukhiqizwa kwe-asphalt okuphumelelayo kusiza ukugcina izindleko zokwakha ziphansi, okungaholela ekuthuthukisweni kwezindlu kanye nengqalasizinda engabizi kakhulu.
Ekuphetheni, ukusetshenziswa kwesitshalo sokuxuba i-asphalt kuhlukahlukene futhi kufinyelela kude. Kusukela ekwakhiweni kwemigwaqo kuya ezinkundleni zezindiza, izindawo zokupaka, ngisho nokulondolozwa kwemvelo, lezi zitshalo zibalulekile ekwakheni kwesimanje. Amandla azo okukhiqiza i-asphalt esezingeni eliphezulu ngempumelelo nangokuqhubekayo kuzenza zibe yingxenye ebalulekile ekwakheni nasekulondolozeni ingqalasizinda yethu.