Research on creep supporting effect of deep strip pillar

Caikuang yu Anquan Gongcheng Xuebao/Journal of Mining and Safety Engineering

Volumn 29, Issue 1, 2012, Pages 48-53

  Chen, Shao Jie ^a,b   Guo, Wei Jia ^a   Cheng, Guo Qiang ^a   Zhao, Tie Peng ^a  

^a SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

^b INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

Author keywords

Creep supporting effect; Creep test; Deep coal pillar; LS DYNA software; Numerical simulation

Indexed keywords

COAL FACE; COAL PILLAR; COAL SEAMS; CREEP COEFFICIENT; CREEP STRENGTHS; CREEP STRESS; CREEP TEST; CREEP TESTS; DEEP COAL PILLAR; LS-DYNA; OVERLYING STRATA; RHEOLOGICAL PROPERTY; STRESS AND DEFORMATION; SUPPORTING EFFECT;

COAL; COAL DEPOSITS; COAL MINES; COMPUTER SIMULATION; PILLAR EXTRACTION; SOFTWARE TESTING;

CREEP;

EID: 84859221404     PISSN: 16733363     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (14)

1. 1982.
2. VAN DER MERWE J N. South African coal pillar database [J]. Journal of the South African Institute of Mining and Metallurgy, 2006, 106(2): 115-128.
3. ZHANG Shao-chun. Numerical simulation analysis of coal pillar stability in strip mining[J]. Coal Technology of Shaanxi, 1995(3): 19-22.
4. YANG Jing, MAO Xian-biao, LIU Ning. Viscoelastic analysis of coal pillar in strip mining[J]. Blasting, 2007(24): 212-215.
5. YANG Wei-feng, XIA Xiao-hong, HUANG Zhi-chan et al. Experimental simulation and numerical analysis of partial extraction pillar stability[J]. Coal Geology of China, 2005, 17(2): 29-31.
6. ZOU You-feng, CHAI Hua-bin. Research status of strip coal pillar stability and its main problems in China[J]. Journal of Mining & Safety Engineering, 2006, 23(2): 141-150.
7. KAISER P K, TANG C A. Numerical simulation of damage accumulation and seismic energy release during brittle rock failure-part II: rib pillar collapse[J]. International Journal of Rock Mechanics & Mining Sciences, 1998, 35(2): 123-134.
8. SHI Ping-wu, ZHANG SUN Xue-ting, LIU Yang. Analysis on stability of strip mining with "water protection coal mining" in seam with shallow overburden[J]. Coal Engineering, 2006(8): 68-70.
9. CHEN Shao-jie, GUO Wei-jia, YANG Yong-jie, et al. Research on stability of strip coal pillar based on laboratory test[J]. Rock and Soil Mechanics, 2008, 29(10): 2678-2682.
10. 2006.
11. CHEN Zong-ji, KANG Wen-fa, HUANG Jie-fan. Locked in stresses, creep and dilatancy of rocks, and constitutive equations[J]. Chinese Journal of Rock Mechanics and Engineering, 1991, 10(4): 299-312.
12. 1986.
13. WANG Ling-juan, SHA Ai-min. Performance evaluation of asphalt stable macadam grassroots mixture at high temperature[J]. Journal of University of Science and Technology Beijing, 2004, 26(Supp): 176-179.
14. CHEN Shao-jie, GUO Wei-jia, YANG Yong-jie. Experimental study of creep model and failure characteristics of coal[J]. Rock and Soil Mechanics, 2009, 30(9): 2595-2598.