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Application of High Prestressed Bolt and Cable Combinations Support Technology in Transport Downhill Excavation Support
Pages: 18-21
Year: Issue:  10
Journal: Coal

Keyword:  roadwayprestressedbolt anchor combination support;
Abstract: Fusheng coal in a mining area transportation down as engineering background ,using FLAC3D simulated roadway roof in the high prestressed anchor anchor combined support under the stress field distribution ,research results and their proliferation is prestressed anchor play a proactive role in supporting the key factors anchor ,anchor and anchor combined support can significantly expand the ef -fective compressive stress zone ,and on this basis ,the use of dynamic information design method to design high prestressed anchor an -chor combined support parameters used in the underground ,the supporting results are satisfactory .
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