Interactions of overburden failure zones due to multiple-seam mining using longwall caving

Verfasser / Beitragende:
[Wanghua Sui, Yuan Hang, Luxing Ma, Zhaoyang Wu, Yongjie Zhou, Guoqing Long, Lianbo Wei]
Ort, Verlag, Jahr:
2015
Enthalten in:
Bulletin of Engineering Geology and the Environment, 74/3(2015-08-01), 1019-1035
Format:
Artikel (online)
ID: 605453993
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024 7 0 |a 10.1007/s10064-014-0674-9  |2 doi 
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245 0 0 |a Interactions of overburden failure zones due to multiple-seam mining using longwall caving  |h [Elektronische Daten]  |c [Wanghua Sui, Yuan Hang, Luxing Ma, Zhaoyang Wu, Yongjie Zhou, Guoqing Long, Lianbo Wei] 
520 3 |a This paper presents an investigation on the interactions of overburden failure zones induced by the mining of adjacent coal seams using the longwall caving method. Overburden failure is an important factor in safety assessments in the fields of mining engineering geology and safety geology, especially when mining under water bodies. In this study, the influence of the thickness and properties of the interburden between seams on the development and interactions of caving and fractured water flow zones are investigated by using in situ measurements, scale model testing and numerical simulations. The height of the fractured water flow zones in the scale model tests and numerical simulations are basically in good agreement with measurements after mining of the upper and lower seams of Seam No. 3 in the Cuizhuang Coalmine. Therefore, the scale tests and numerical simulations in the study are verified. The results show that interaction and superposition between two close distance seams cannot be ignored when the ratio (h/M) of the interburden thickness (h) to the cutting height of the lower seam (M) is less than a defined critical value. A dividing line, Line D, has been proposed to judge whether the interactions exist. When the (M, h/M) points are located above Line D, the caving zone induced by excavation of the lower seam will not propagate to the caving zone induced by the upper seam. Otherwise, for the (M, h/M) points below Line D, the interactions and superposition of the overburden failure must be considered when predicting the heights of the caving and fractured water flow zones. 
540 |a The Author(s), 2014 
690 7 |a Interactions of overburden failure  |2 nationallicence 
690 7 |a Longwall caving  |2 nationallicence 
690 7 |a Multiple coal seam mining  |2 nationallicence 
690 7 |a Caving zone  |2 nationallicence 
690 7 |a Water flow fracture zone  |2 nationallicence 
690 7 |a Mining under water bodies  |2 nationallicence 
700 1 |a Sui  |D Wanghua  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
700 1 |a Hang  |D Yuan  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
700 1 |a Ma  |D Luxing  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
700 1 |a Wu  |D Zhaoyang  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
700 1 |a Zhou  |D Yongjie  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
700 1 |a Long  |D Guoqing  |u Pan-China Group Inc., Chongqing Branch, 85 Jinyudadao, 401120, Chongqing, China  |4 aut 
700 1 |a Wei  |D Lianbo  |u The Cuizhuang Coalmine Co. Ltd, Weishan County, 277606, Shandong, China  |4 aut 
773 0 |t Bulletin of Engineering Geology and the Environment  |d Springer Berlin Heidelberg  |g 74/3(2015-08-01), 1019-1035  |x 1435-9529  |q 74:3<1019  |1 2015  |2 74  |o 10064 
856 4 0 |u https://doi.org/10.1007/s10064-014-0674-9  |q text/html  |z Onlinezugriff via DOI 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Sui  |D Wanghua  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Hang  |D Yuan  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ma  |D Luxing  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Wu  |D Zhaoyang  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zhou  |D Yongjie  |u School of Resources and Geosciences, State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, 1 University Ave (Daxuelu), 221008, Xuzhou, Jiangsu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Long  |D Guoqing  |u Pan-China Group Inc., Chongqing Branch, 85 Jinyudadao, 401120, Chongqing, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Wei  |D Lianbo  |u The Cuizhuang Coalmine Co. Ltd, Weishan County, 277606, Shandong, China  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Bulletin of Engineering Geology and the Environment  |d Springer Berlin Heidelberg  |g 74/3(2015-08-01), 1019-1035  |x 1435-9529  |q 74:3<1019  |1 2015  |2 74  |o 10064