Goldcorp, ikora ibirombe bikora ku isi hose, ni we ucukura zahabu nini mu majyaruguru y'uburasirazuba bwa Ontario. Hafi y'umujyi wa Chapleau muri Ontario, muri Kanada, iyi sosiyete irimo kubitsa zahabu nshya hamwe n'umushinga wa Borden Gold.
Ubucukuzi bw’urubuga n’iyubakwa ry’igitambambuga cyatangiye mu gihembwe cya mbere cy’umwaka wa 2017. Hazakurwa icyitegererezo cy’ibihumbi 30.000 kugira ngo hemezwe ko muri iki kirombe gikomeye kibitse.
Ndetse na mbere yo kugera kuri portal, DSI Underground Canada yashizeho igice cya komite tekinike kugirango ifashe mugutezimbere byihuse. Inararibonye za DSI Underground injeniyeri zatanze ubundi buryo bwo gukemura uburyo rusange bwo gushyigikira ubutaka. Inkunga isanzwe ya resin na rebar ikoreshwa mumajyaruguru ya Kanada yaba yongereye igihe cyo gutangira bitewe nubushyuhe bukabije.
Kubera iyo mpamvu, ikirombe cyafashe icyemezo cyo gukoresha DSI Hollow Bar Anchor nkigicuruzwa cyiza gishyigikira ubutaka kugirango iterambere ryihuse ryurubuga. DSI Hollow Bar Bolt yashyizweho hifashishijwe umwuka cyangwa hydraulically-rot-rotary imyitozo, itanga igipimo kinini cyo kwishyiriraho no guhagarara neza. Byongeye kandi, ubutaka buri mu mwobo burahujwe.
Hamwe na resin grout, ikoreshwa ryikibazo nikibazo gishobora guterwa nikirere kidateganijwe, igitekerezo nukugirango ushigikire ibikorwa byambere-byambere muguhuza bolt nigikonoshwa kirimo ubwinshi bwurutare mukibazo. Ubu buryo, bolts irashobora gutondekwa kumunsi utaha. Noneho, kubika umwanya no guhanga udushya kuriyi sisitemu irahari: Sisitemu nshya ya DSI Underground, pompable resin sisitemu. Ubu buryo butuma iterambere ryihuta. Turabikesha ikoreshwa rya sisitemu ya resin, Mine ya Borden izashobora gutwara portal byihuse mumutekano, kandi igere kuburugero rwinshi.
Igihe cyo kohereza: 11 月 -04-2024
