Optimization Design of Roadway Support Based on Field Measurement of Surrounding Rock Broken Zone

Metal Mine ›› 2013, Vol. 42 ›› Issue (10): 16-20.

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Optimization Design of Roadway Support Based on Field Measurement of Surrounding Rock Broken Zone

Qian Zhenyu¹，Ren Fenhua¹，Miao Shengjun¹，Li Kai¹，Ji Dong¹

1.Civil and Environmental Engineering School，University of Science and Technology Beijing；2.School of Mechanics & Civil Engineering，China University of Mining and Technology

Online:2013-10-15 Published:2014-01-02

Abstract

Abstract: In order to investigate the range of broken rock zone and stress state of surrounding rocks in -600 m level roadway of Sanshandao Gold Mine，field measurement of loose circle is carried out with the help of RSM-SY6 type sonic detector，and the results are verified on the basis of FLAC^3D numerical simulation towards surrounding rock stress state.Finally，based on the measurement results and the stress distribution，the roadway supporting design and parameters of Sanshandao Gold Mine are optimized combining with the support theory of surrounding rock broken zone.The results show that the optimized supporting program offers a technical reference for the safety and benefits of Gold Mine production.

Key words: Broken rock zone, Sonic method, Field measurement, Support design

QIAN Zhen-Yu, REN Fen-Hua, MIAO Sheng-Jun, LI Kai, JI Dong. Optimization Design of Roadway Support Based on Field Measurement of Surrounding Rock Broken Zone[J]. Metal Mine, 2013, 42(10): 16-20.

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