Evaluation of Roof Bolting Requirements Based on In-Mine Bolter Drilling Progress Report

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Description

Roof bolting is the most popular method for underground openings in the mining industry, especially in the bedded deposits such as coal, potash, salt etc. In fact, all U.S. underground coal mine entries are roof-bolted as required by law. However, roof falls still occur frequently in the roof bolted entries. The two possible reasons are: the lack of knowledge of and technology to detect the roof geological conditions in advance of mining, and lack of roof bolting design criteria for modern roof bolting systems. This research is to develop a method for predicting the roof geology and stability condition in … continued below

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8 pages

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Peng, Syd S. July 15, 2003.

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Roof bolting is the most popular method for underground openings in the mining industry, especially in the bedded deposits such as coal, potash, salt etc. In fact, all U.S. underground coal mine entries are roof-bolted as required by law. However, roof falls still occur frequently in the roof bolted entries. The two possible reasons are: the lack of knowledge of and technology to detect the roof geological conditions in advance of mining, and lack of roof bolting design criteria for modern roof bolting systems. This research is to develop a method for predicting the roof geology and stability condition in real time during roof bolting operation. Based on such information, roof bolting design criteria for modern roof bolting systems will be developed for implementation in real time. In this quarter, the field, theoretical and programming works have been performed toward achieving the research goals set in the proposal. The selected site and the field testing plan enabled us to test all three aspects of roof geological features. The development of the data interpretation methodologies and the geology mapping computer program have also been preceding well.

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8 pages

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OSTI as DE00819912

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  • Other Information: PBD: 15 Jul 2003

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  • July 15, 2003

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  • Oct. 18, 2015, 6:40 p.m.

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  • July 1, 2019, 6:11 p.m.

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Peng, Syd S. Evaluation of Roof Bolting Requirements Based on In-Mine Bolter Drilling Progress Report, report, July 15, 2003; United States. (https://digital.library.unt.edu/ark:/67531/metadc735093/: accessed December 9, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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