|Numerical simulation of geostress and support of roadway crossing strata in complex stress condition|
|Wang TX; Li LY; Zheng WH(郑文海); Liu Y; Hou T; Qu HY; Wang Tongxu
|Source Publication||TRENDS IN CIVIL ENGINEERING
|Conference Name||2nd International Conference on Structures and Building Materials, ICSBM 2012
|Conference Date||MAR 09-11, 2012
|Conference Place||Hangzhou, China
|Abstract||Affected by a group of underground chambers and gobs of working faces, the track sub-inclined shaft of 430 mining area in Geting coal mine, which crosses coal seam and faults repetitively, lies in high and complex stress environment. Based on geostress results measured in the field, FLAC3D numerical simulation software was used to simulate the regional geostress in the area near the roadway, referring to the impact of the gobs and chambers. And the stress variation law along the roadway was given at last. Then the roadway roof structure zone chart was drawn according to the detection results with the rock video detection recorder. Finally, stability of different sections of the roadway and the support advice corresponding to each section was gained. The results show that comprehensive consideration of geostress variation law and surrounding rock structure is necessary in the stability classification and the support of roadways. The research methods and ideas given in this paper is feasible.|
Complex Stress Condition
Numerical Simulation Software
Roof Structure Detection
|Corresponding Author||Wang Tongxu|
Wang TX,Li LY,Zheng WH,et al. Numerical simulation of geostress and support of roadway crossing strata in complex stress condition[C]:TRANS TECH PUBLICATIONS, P.O. BOX 1254, CLAUSTHAL-ZELLERFELD, D-38670, GERMANY,2012:1781-1784.
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