【摘 要】
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Quarry induced collapse, an issue of particular conce in the mining industry, is a typical form of man-made disaster. Identification of the morphological charac
【机 构】
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Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy
论文部分内容阅读
Quarry induced collapse, an issue of particular conce in the mining industry, is a typical form of man-made disaster. Identification of the morphological characteristics of such collapses is commonly based on seismic records but comprehensive studies regarding the mechanism and energy conversion mode utilizing the seismic record is seldom undertaken. A huge collapse event at the Biyutan mining cave at Changyu Dongtian in Wenling city, China, lasting for about 20 seconds, was observed on August 11, 1997.
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