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In situ Measurements and Preliminary Design Analysis for Deep Mine Shafts in Highly Stressed Rock

机译：高应力岩石深井井筒现场测量与初步设计分析

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The U.S. Bureau of Mines, under a cooperative agreement with Hecla Mining Co., conducted a rock mechanics study at four widely spaced horizons in a deep mine shaft in northern Idaho. The objective of the project was to measure and analyze rock deformation and lining behavior during construction of a deep shaft in a high in situ stress field within an isotropic rock mass. Rock mass displacements were monitored with multiple-position borehole extensometers. Liner stress and strain were measured with concrete pressure cells and embedment strain gauges. The report discusses the general trends and magnitudes of data from the four test sites and relates the data to a proposed anisotropic constitutive model for the rock mass. A design procedure is then outlined for specifications for liner thickness and support installation sequences for future shaft sinking.

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作者
Board, M. P. ; Beus, M. J.;
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年度 1988
页码 1-55
总页数 55
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Rock mechanics; Shafts(Excavations); Tunnel linings; Stress analysis; Strain measurement; Extensometers; Strain gauges; Design standards; Deformations; Displacement; Graphs(Charts);

机译：岩石力学;竖井（挖掘）;隧道衬砌;应力分析;应变测量;引伸计;应变计;设计标准;变形;位移;图表（图表）;

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In situ Measurements and Preliminary Design Analysis for Deep Mine Shafts in Highly Stressed Rock

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