Le khasi Umshini wokuwasha wesihlabathi wesondo usuphenduke ucezu olusemqoka lwemishini embonini yesihlabathi kanye ne-gravel. Ukutholwa kwayo okusabalele kubhekwe ngokusebenza kwayo, ukuthembeka, kanye nekhono lokukhiqiza isihlabathi esezingeni eliphakeme elilungele izinhlelo ezahlukahlukene zokwakha. Le ndatshana idlulela kwizizathu ezingemva kokusetshenziswa okubanzi kwemishini yokuwasha isihlabathi yesondo, ukuhlola ukwakheka kwabo, ukusebenza, kanye nezinzuzo ngaphezu kolunye ubuchwepheshe bokuwasha isihlabathi.
Ukugeza isihlabathi kube yinqubo ebalulekile embonini yezokwakha amashumishumi eminyaka. Ekuqaleni, izindlela zezandla nemishini elula zazisetshenziselwa ukuhlanza isihlabathi, kepha lezi zazingasebenzi kahle futhi zidla isikhathi. Ngokuqala kokuthuthuka kwezimboni, kwakunesidingo sobuchwepheshe bokuwasha isihlabathi obusebenza kahle. Umshini wokuwasha wesihlabathi wesondo uqhamuke njengesixazululo, uhlanganisa ukulula ngempumelelo.
Izindlela zokugeza zesihlabathi zendabuko ezibandakanya ukusetshenziswa kwamabhakede namazwi, ezazisebenza kanzima futhi zazingenakuhlangabezana nezidingo zamaphrojekthi wokwakha amakhulu. Lezi zindlela nazo zingenawo amandla okususa ukungcola okuhle, okuholela esihlabathini esezingeni eliphansi.
Ukwethulwa kwama-washer we-mehendi abhalwe ukuthuthuka okukhulu. Imishini yokuwasha yesihlabathi ebomvu yayiphakathi kweyokuqala, kepha yayinezithiyo ezifana nokusebenzisa amanzi aphezulu kanye nokulahlekelwa ngokweqile kwesihlabathi esihle. Umshini wokuwasha isihlabathi wesondo wathuthukiswa ukubhekana nalezi zingqinamba, enikeza ikhambi elisebenza kahle futhi elisebenzayo.
Umshini wokuwasha wesihlabathi wesondo ubeka umklamo oyingqayizivele oyibeka ngaphandle kwezinye izinhlobo. Ngokuvamile iqukethe imoto, ithangi lamanzi, isondo kanye nohlelo lokuhambisa. Ukulula kokwakheka kwalo kunomthelela ekuthembekeni kwayo nasekukhululekeni kwesondlo.
Umshini usebenza ngokusebenzisa isondo elijikelezayo ukususa isihlabathi ethangini eligcwele amanzi. Njengoba isondo lijikeleza, liphakamisa isihlabathi esihlanzekile ngaphandle kwamanzi futhi ivumela amanzi amaningi ukuqeda. Le nqubo isusa ngempumelelo ukungcola okufana nokusilika nobumba kusuka esihlabathini.
Uma kuqhathaniswa neminye imishini yokuwasha isihlabathi, umshini wokuwasha wesihlabathi wesondo uchitha amandla amancane. Idizayini yayo inciphisa ukungqubuzana nokulahleka kwemishini, okwenza kube inketho engabizi kakhulu yezitshalo zesihlabathi.
Ukusetshenziswa okusabalele kwesondo ngemishini yokuwasha isihlabathi kubalulekile ngenxa yezinzuzo eziningi abanikela ngazo ngaphezulu kwemishini.
Inzuzo eyodwa ebalulekile ukulahleka okuncane kwesihlabathi esihle. Idizayini iqinisekisa ukuthi izinhlayiya ezibalulekile zesihlabathi zigcinwa ngesikhathi sokugeza, zithuthukisa ikhwalithi ephelele nenani lokuphuma.
Imishini yokuwasha yesihlabathi yesondo yaziwa ngokusetshenziswa kwayo kwamanzi okuphansi. Zenzelwe ukwenza kabusha amanzi ngaphakathi kohlelo, kunciphisa isidingo sokugcwaliswa kwamanzi okuhlala njalo futhi kubenze banobungane bemvelo.
Ukulula kokwakhiwa komshini kuphumela ekuqhekekeni okumbalwa kanye nokulungiswa okulula. Izakhi ezifana ne-haring zihlukaniswe namanzi nezinto zokwakha, ukuvimbela ukulimala nokwandisa isikhathi sokuphila komshini.
Ngenkathi ikakhulukazi esetshenziswa embonini yezokwakha, umshini wokuwasha isihlabathi wesondo unezicelo kweminye imikhakha.
Emisebenzini yezokumbiwa phansi, umshini wokuwasha ngesihlabathi wesondo uyasiza ekuhlanzeni i-ore, ukususa ukungcola kanye nokulungisa izinto zokucutshungulwa okwengeziwe. Ukusebenza kwayo kuthuthukisa umkhiqizo ophelele ezingosini zezimayini.
Amaphrojekthi ezemvelo asebenzisa imishini yokuwasha yesihlabathi yesondo enhlabathini nokuhlanza i-sediment. Badlala indima ebalulekile ezindaweni ezidayisa ama-decontinamin ezithintwe imfucuza yezimboni.
Ucwaningo kanye nentuthuko eqhubekayo kuholela ekuthuthukisweni okwengeziwe emishini yokuwasha yesihlabathi yesondo.
Imishini yesimanje ifakwe izici ezenzakalelayo, okuvumela ukuqapha kanye nezinguquko zesikhathi sangempela. Lokhu kuhlanganiswa kuthuthukisa ukusebenza kahle futhi kunciphise isidingo sokungenelela okwenziwa ngesandla.
Abakhiqizi bagxile ekwenzeni imishini eqhubekayo ngokwengeziwe ngokunciphisa ukusetshenziswa kwamandla kanye nokwenza ngcono amandla okuvuselela amanzi. Ukuthuthuka okunjalo kuhambisana nemizamo yokulondolozwa kwemvelo yemvelo.
Amaphrojekthi amaningana abonise izinzuzo zokusebenzisa amasondo okugeza izindonga.
Inkampani yokwakha ibike ukukhuphuka kwama-20% kwekhwalithi yesihlabathi ngemuva kokushintshela emishini yokuwasha yesihlabathi. Ukungcola okuncishisiwe kuholele ekutheni ukuhlanganiswa kokhonkolo okunamandla kanye nobuqotho obungcono bokuhleleka.
Kwesinye isigameko, umsebenzi wezimayini wehlise izindleko zabo zokusebenza ngo-15% ngenxa yokusetshenziswa kwamandla okuphansi komshini nezidingo zokulungiswa okuncane.
Ochwepheshe bezimboni bagqugquzela ukusetshenziswa kwemishini yokuwasha yesihlabathi yesondo ngokuya ngokusebenza kwabo nokwethembeka kwabo.
UDkt John Smith, onjiniyela bemishini, uthi,
Amanothi wezemvelo uJane Doe amanothi, 'Le mishini ifaka isandla ekusebenzeni okuqhubekayo ngokulondolozwa kwamanzi nokunciphisa imfucuza, ukuhambisana nemithetho yezemvelo. '
Naphezu kwezinzuzo, kunezinselelo ezihlotshaniswa nemishini yokuwasha yesihlabathi yesondo.
Izinto ezi-abrasive zingadala ukugqokwa nokudabula izimpukane zesondo. Ukulungiswa okujwayelekile kanye nokusetshenziswa kwezinto ezivimbela ukugqokwa ekwakheni le nkinga.
Ngenkathi kufanelekile ekusebenzeni okuphakathi nendawo, amaphrojekthi amakhulu amakhulu angadinga imishini eminingi. Abakhiqizi bathuthukisa amamodeli amakhulu ukubhekana nalesi sidingo.
Ukuqhathanisa amasondo emishini yokuhlanza izindonga nezinye izinhlobo zihlinzeka ngokuqonda ekusebenziseni kwazo okusabalele.
Imishini evunguzayo ivame ukuholela ekulahlekelweni kwesihlabathi okubalulekile kanye nokusetshenziswa kwamanzi okuphezulu. Imishini yesondo inikela ngokugcinwa okungcono kwesihlabathi futhi inobungani bemvelo.
Izinhlelo ze-Hydrocyclone ziyinkimbinkimbi futhi zidinga ukusebenza kwamakhono. Imishini yokuwasha yesihlabathi yesondo ilula ukusebenza nokugcina, okwenza ukuthi itholakale kalula kubasebenzisi abahlukahlukene.
Ukwemukelwa kwale mishini kunemiphumela enkulu yezomnotho yezimboni ezihilelekile.
Amabhizinisi azwakala anciphise izindleko zokusebenza ngenxa yokusetshenziswa kwamandla okuphansi kanye nezidingo ezincane zokulungiswa, okuholela ekunciphiseni inzuzo.
Ngokuhlanza isihlabathi okusebenzayo, amaphrojekthi angathuthuka ngokushesha, okuvumela izinkampani ukuthi zithathe amaphrojekthi amaningi futhi zithuthukise ukuncintisana kwazo kwemakethe.
Le khasi Umshini wokuwasha wesihlabathi wesondo ufakazele ukuthi uyimpahla ebalulekile ekucutshungweni kwesihlabathi, enikeza ukusebenza kahle, ukonga izindleko, kanye nezinzuzo zemvelo. Ukusetshenziswa kwayo okusakazekile kungubufakazi bokusebenza kwayo ekuhlangabezaneni nezidingo zezimboni. Njengoba intuthumo yezobuchwepheshe iyaqhubeka, le mishini kulindeleke ukuthi ibe ebaluleke ngokwengeziwe emikhakheni ehlukahlukene, iqinisa kakhulu ukubaluleka kwayo.