Uplift phenomenon in local ground surface induced by elastic foundation beam effects of underground excavation

被引：0

作者：

Deng, Qing-Hai ^{[1
,2
]}

Ma, Feng-Shan ^{[3
]}

Xu, Jia-Mo ^{[3
]}

Yang, Chun-He ^{[4
]}

Zhang, Li-Ping ^{[2
]}

机构：

[1] College of Resources and Environment Science, Chongqing University, Chongqing 400044, China

[2] College of Geological Science and Engineering, Shandong University of Science and Technology, Qingdao 266510, China

[3] Institute of Geology and Geophysics, Chinese Acad. of Sci., Beijing 100029, China

[4] State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Acad. of Sci., Wuhan 430071, China

来源：

Meitan Xuebao/Journal of the China Coal Society | 2011年 / 36卷 / SUPPL. 2期

关键词：

Ores - Ore deposits - Foundations - Excavation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

By analyzing GPS monitoring data of surface movement in No.3 mine area, Jinchuan Group Co., Ltd, found that there were slight uplift phenomena in local ground surface in the early ground mining. Reference to deformation characteristics of elastic foundation beam, explained the phenomenon, and called it as elastic foundation beam effects induced by underground excavation. And then analyzed occurrence conditions and process of the phenomenon and its characteristics while mining ore body of different angles by numerical methods. The results show that there are uplift phenomena in local ground surface regardless of ore's dip angle. And the phenomenon is the most significant while mining inclined ore body, and its location, distribution and uplift extent are asymmetric.

引用

页码：365 / 369

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