山東科技大學(xué)本科畢業(yè)設(shè)計開題報告-wenkub.com
2024-11-19 16:32 本頁面
【正文】 對所提出的方案進(jìn)行經(jīng)濟(jì)比較。 綜合技術(shù)經(jīng)濟(jì)比較結(jié)果，確 定合理的礦井開拓方案。 【 Abstract】 In the shaft sinking process of freezing main shaft over 1 000 m deep in XinHe Coal Mine,in order to make the mine shaft safely and successfully sinking through the deep thick freezing overburden section and the high sectional freezing deep weathered base rock section and to rapidly plete the deep freezing mine shaft project over 1 000 m deep,with the improvement of the match technology of the mechanized equipment for the freezing shaft sinking,the optimization of the mine shaft inner layout,the enhancement of the mine shaft liner temperature prediction and control,the improvement of the mine shaft lining quality and rate,improvement of the freezing soil excavation capacity,the increasing of the load bearing capacity of the mine shaft freezing wall and others,the mine shaft construction technical problems of the high deep mine shaft freezing ground pressure,the slow construction speed of the large cross section mine shaft,the easy deformation failure of the mine shaft liner,the freezing pipeline breaking and saline water leakage,and others could be effectively mine shaft lining rate per month could be over 130 m in continued three months and the max month lining rate could be m. 【關(guān)鍵詞】 千米立井 ； 深井凍結(jié) ； 機械化設(shè)備配套 ； 施工技術(shù) ； 快速鑿井 ； 【 Key words】 mine sh
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