Gburugburu ebe na-emebi emebi siri ike nke mmetụta ala ala kpatara na-akọwapụta George Fisher Zinc Mine na mpaghara Ngwuputa Ugwu Isa dị na North Australia. N'ihi ya, onye nwe ya, Xstrata Zinc, onye enyemaka nke otu Xstrata Plc na-arụ ọrụ n'ụwa nile, chọrọ iji hụ na nchedo corrosion dị mma site na mkpuchi zuru oke nke arịlịka na oghere oghere n'oge ọrụ ịnya ụgbọ ala.
DSI Australia wetara kemịkalụ TB2220T1P10R Posimix Bolts maka arịlịka. Ihe mkpuchi ndị ahụ dị 2,200mm ogologo ma nwee dayameta nke 20mm. N'ime nkeji nke anọ nke 2007, DSI Australia mere ọtụtụ ule na nkwado Xstrata Zinc na saịtị. Emere ule ahụ iji chọpụta ọnụọgụ mkpuchi kacha mma maka arịlịka site n'ịgbanwe nha nke olulu mmiri na katrij resin.
Enwere ike ịme nhọrọ site na katrij resin ogologo 1,050mm nwere ma ọkara na ngwa ngwa na 26mm na 30mm dayameta. Mgbe ị na-eji katrij 26mm na olulu mmiri dayameta 35mm nke a na-ahụkarị maka ụdị arịlịka a, enwetara ogo nke encapsulation nke 55%. N'ihi ya, e mere ule abụọ ọzọ.
- Iji otu resin katrij na ibelata dayameta nke olulu mmiri na dayameta kacha nta nke 33mm nwetara mkpuchi nke 80%.
- Idebe dayameta nke olulu mmiri nke 35mm na iji katrij resin ka ukwuu nke nwere dayameta nke 30mm mere ka mkpuchi nke 87%.
Nnwale abụọ a ọzọ nwetara ogo nke encapsulation nke onye ahịa chọrọ. Xstrata Zinc ahọrọla maka 2 ọzọ n'ihi na 33mm drill bits enweghị ike ijikwa ya ọzọ n'ihi njirimara nkume mpaghara. Na mgbakwunye, ọnụ ahịa dị ntakịrị maka nnukwu katrij resin ka a na-akwụghachi ya nke ọma site n'iji otutu ihe nkedo 35mm eme ihe.
N'ihi oke ule na-aga nke ọma, e nyere DSI Australia nkwekọrịta maka ịnye arịlịka Posimix na katrij resin 30mm site n'aka onye nwe ebe a, Xstrata Zinc.
Oge nzipu: 11 月-04-2024
