Goldcorp, onye na-arụ ọrụ ogbunigwe zuru ụwa ọnụ, bụ onye na-egwupụta ọla edo kachasị na mpaghara ugwu-ọwụwa anyanwụ Ontario. N'akụkụ obodo Chapleau dị na Ontario, Canada, ụlọ ọrụ ahụ na-eme nkwụnye ego ọla edo ọhụrụ na Borden Gold Project.
Ngwuputa nke portal na owuwu nke uzo uzo malitere na nkeji iri na ise nke 2017. A ga-ewepụta ihe nlele nke 30,000t iji gosi na enwere nkwụnye ego ọla edo na nkume a siri ike.
Ọbụna tupu ịbanye na portal, DSI Underground Canada hiwere akụkụ nke kọmitii teknụzụ iji nyere aka na mmepe ngwa ngwa nke ogbunigwe. Ndị injinia nọ n'okpuru ala DSI nwere ahụmahụ tụpụtara ụzọ ọzọ maka usoro nkwado ala. Nkwado resin na rebar nke a na-eji na mgbago ugwu Canada ga-agbatịwo mmalite n'ihi oke oke okpomọkụ.
N'ihi nke a, ogbunigwe ahụ kpebiri iji DSI Hollow Bar Anchor dị ka ngwaahịa nkwado ala dị mma iji hụ na mmepe ngwa ngwa nke portal. A na-etinye DSI Hollow Bar Bolt site na iji ma ọ bụ ikuku ma ọ bụ hydraulically rotary drills, nke na-eme ka ọnụ ọgụgụ dị elu nke ntinye na nkwụsi ike ntụziaka dị mma. Ọzọkwa, a na-eme ka ala dị n'ime olulu mmiri ahụ sie ike.
Site na resin grout, iji ya bụ ihe nwere ike ime n'ihi ihu igwe a na-atụghị anya ya, echiche bụ ịmepụta nkwado nke mbụ na-arụ ọrụ site na-eme ka ọkpụkpụ na-eme ka ọkpụkpụ na-eme ka ọkpụkpụ na-eme ka ọkpụkpụ na-eme ka ọ nwee nnukwu nkume na esemokwu. N'ụzọ dị otú a, bolts nwere ike grouted na a n'ọdịnihu ụbọchị. Ugbu a, ụzọ ọzọ na-echekwa oge na nke ọhụrụ dị na sistemụ a: DSI Underground ọhụrụ, sistemụ resin na-agbapụta. Usoro a na-eme ka usoro mmepe ngwa ngwa. N'ihi iji usoro resin a, Borden Mine ga-enwe ike ịkwọ ụgbọ mmiri ngwa ngwa n'enweghị nsogbu, wee nweta ihe nlele buru ibu nke ọma.
Oge nzipu: 11 月-04-2024
