STRATA

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Fracture distribution in overburden strata induced by underground mining被引量：1
《Deep Underground Science and Engineering》2022年第1期58-64,共7页Wenli Yao Enzhi Wang Xiaoli Liu Ran Zhou 
The National Natural Science Foundation of China,Grant/Award Number:52079068;The Key Research and Development Plan of Ningxia Hui Autonomous Region,Grant/Award Number:2018BCG01003;the State Key Laboratory of Hydroscience and Hydraulic Engineering,Grant/Award Number:2021-KY-04。
Coal-mining activities give rise to a series of ecological environmental problems,such as ground settlement and groundwater pollution.In fact,they are mainly caused by mining-induced fractures.Hence,it is necessary to...
关键词：groundwater seepage mining-induced fracture numerical simulation rock mass deformation TEM 
Height of fractured zone inside overlying strata under high-intensity mining in China被引量：3
《International Journal of Mining Science and Technology》2019年第1期45-49,共5页Wenbing Guo Gaobo Zhao Gaozhong Lou Shuren Wang 
supported by the National Natural Science Foundation of China (No.51774111);Henan province science and technology innovation outstanding talent fund of China (No.184200510003)
The height of fractured zone(HFZ) at the high-intensity longwall mining panel plays a vital role in the safety analysis of coal mining under bodies of water. This paper described definitions of the highintensity minin...
关键词：High-intensity MINING OVERBURDEN failure HEIGHT of fractured zone Overlying STRATA movement 
Measurement of shear movements in the overburden strata ahead of longwall mining被引量：5
《International Journal of Mining Science and Technology》2016年第1期97-102,共6页Mills K.W. GarrattO. Blacka B.G. Daigle L.C. Rippon A.C. Walker R.J. 
An underground coal mine located in New South Wales has a target coal seam located 160-180 m deep directly below a 16-20 m thick conglomerate unit that has been associated with significant periodic weighting events on...
关键词：Horizontal shearLongwallOverburdenInclinometer monitoring 
An integrated method to calculate the spatial distribution of overburden strata failure in longwall mines by coupling GIS and FLAC^(3D)被引量：15
《International Journal of Mining Science and Technology》2015年第3期369-373,共5页Zhao Xiaodong Jiang Jian Lan Bochao 
provided by the National Natural Science Foundation of China(No.51374046);State Key Laboratory for Geo Mechanics and Deep Underground Engineering at China University of Mining&Technology(SKLGDUEK1420)
The spatial distribution of overburden strata failure is of significant importance to affect the safety of underground mining. Because the traditional methods cannot be applied in all coal mines due to geological cond...
关键词：GIS Overburden strata Spatial modeling Coupling 
Time-lapse geophysical technology-based study on overburden strata changes induced by modern coal mining被引量：18
《International Journal of Coal Science & Technology》2014年第2期184-191,共8页Wenfeng Du Suping Peng Guowei Zhu Feng Yang 
National Science and Technology Supporting Program(2012BAB13B01);National Key Scientific Instrument and Equipment Development Program(2012YQ030126);Coal United Project of National Natural Science Foundation(U1261203);China Geological Survey Project(1212011220798);National Science and Technology Major Project(2011ZX05035-004-001HZ).
To study the impact of modern coal mining on overlying strata and its water bearing conditions,integrated time-lapse geophysical prospecting integrating 3D seismic,electrical and ground penetrating radar method were u...
关键词：Time lapse Geophysical prospecting Coal mining Overburden strata Strata changes Modern coalmining 
Evolution of a mining induced fracture network in the overburden strata of an inclined coal seam被引量：8
《International Journal of Mining Science and Technology》2012年第6期775-779,共5页Wei Xiujun Gao Mingzhong Lv Youchang Shi Xiangchao Gao Hailian Zhou Hongwei 
the financial support from the State Key Basic Research Program of China(No.2011CB201201)
The geological conditions of the Pingdingshan coal mining group were used to construct a physical model used to study the distribution and evolution of mining induced cracks in the overburden strata.Digital graphics t...
关键词：Inclined coal SEAM Fracture network EVOLUTION FRACTAL DIMENSION 
Numerical simulation of compound media coupling mechanism of deep mining overburden strata被引量：4
《中国有色金属学会会刊：英文版》2011年第S3期631-636,共6页YANG Fan, CHEN Shuang School of Geometrics, Liaoning Technical University, Fuxin 123000, China 
Project(504006009)supported by the National Natural Science Foundation of China;Project(2007-09)supported by Open Research Project of State Key Laboratory of Coal Resources & Safe Mining(CUMTB)of China;Project(2010921099)supported by Liaoning Baiqianwan Talents Program
Aiming at the regularity of deep mining strata movement, through the application of plate theory and discrete medium theory in establishing the coupling model of the deep mining strata composite medium, the continuum ...
关键词：deep MINING NUMERICAL simulation coupling mechanism 
Asymmetric Rock Pressure on Shallow Tunnel in Strata with Inclined Ground Surface
《Journal of Southwest Jiaotong University(English Edition)》2007年第3期203-209,共7页周晓军 杨昌宇 
By building a tunnel model with a semi-circular crown, the asymmetric rock pressure applied to the shallow tunnel in strata with inclined ground surface is analyzed. Formulae, which not only include the parameters .re...
关键词：Inclined ground surface TUNNEL Asymmetric rock pressure Overburden depth Calculation method 
Research on relations between failure heights of overburden strata and ~] / mining face parameters and forecasting method
《Journal of Coal Science & Engineering(China)》2007年第3期332-335,共4页尹增德 杨贵 
The commercial FEM software ANSYS was used to analyze the failure characteristics of overburden strata under the conditions of different lengths of mining faces. It was shown that the parameters of mining faces, espec...
关键词：overburden strata parameters of mining face forecasting method 
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