期刊
BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
卷 66, 期 3, 页码 311-318出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10064-006-0072-z
关键词
overburden cover; subsidence; collapse; crown hole; coal mining
Shallow land cover over old underground workings at Kamptee Colliery has led to the development of ground collapse, with three crown hole subsidences recorded in a 10 year period. As the land above the workings has been developed, it was considered that for safety purposes areas with less than 15 m of competent rock should be established. The paper discusses the Multi-electrode Resistivity Imaging (RI) and Ground Penetrating Radar (GPR) undertaken over an area of 800 m x 200 m, which indicated that where a competent cover was present it was very thin.
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