GEOTECHNICAL PROGRAM AT BRIDGER COAL COMPANY

机译：桥煤公司的岩土工程项目

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Interwest Mining Company has been collecting geologic data within the last decade in preparation for underground mining of extensive coal reserves in its Bridger Coal property in southwestern Wyoming. During a preliminary data collection program in 2000, Interwest Mining completed geologic investigations, including surface mapping, drilling, aerial photography, rock testing, and limited groundwater investigations. Core from 12 exploration boreholes in the area of interest was tested to determine the mechanical properties of the coal seam and the immediate roof and floor for evaluation of the feasibility of underground mining. Geologic investigations identified the presence of one 7-to-17-ft-thick coal seam throughout the reserve under 1400 ft of cover.

机译：在过去的十年中，Interwest Mining Company一直在收集地质数据，以准备在怀俄明州西南部的Bridger Coal矿场进行地下大量煤炭储量的地下开采。在2000年的初步数据收集计划中，Interwest Mining完成了地质调查，包括地表测绘，钻孔，航空摄影，岩石测试和有限的地下水调查。对感兴趣地区的12个勘探井眼的岩心进行了测试，以确定煤层和直接顶板和底板的力学性能，以评估地下采矿的可行性。地质调查发现，整个保护区在1400英尺的覆盖层范围内存在一个7至17英尺厚的煤层。

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来源
《SME annual meeting and exhibit 2008 : New Horizons-New Challenges》|2008年|126-130|共5页
会议地点 Salt Lake City UT(US);Salt Lake City UT(US)
作者
H. Maleki; C. Pollastro;
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作者单位

Maleki Technologies, Inc., Spokane, WA;

Interwest Mining, Salt Lake City, UT;

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原文格式 PDF
正文语种 eng
中图分类矿山开采;
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GEOTECHNICAL PROGRAM AT BRIDGER COAL COMPANY

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