Influence of faulting on a mine shaft—a case study: part I—Background and instrumentation
International Journal of Rock Mechanics and Mining Sciences(2003)
摘要
The impact of geological structures on the stability of underground infrastructures is well recognised. Moreover, the influence of major geological structures such as faults, becomes critical when the stability of underground infrastructures which are essential for mine production, are threatened. The X41 shaft is the man and supply shaft at the Copper Mine, at Mount Isa, Australia. Here, there has been observed evidence of degradation manifested by the development of cracks in the shaft concrete lining since the early nineties. In addition, the shaft steel structure is being deformed and needs regular and meticulous maintenance. The shaft degradation has been attributed to the presence of two major geological structures, the W41 and W42 faults, which intersect the shaft in two distinct locations.
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关键词
Rock mechanics,Case study,Mine shaft,Monitoring,Instrumentation,Faults
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