Ground collapse and caving mechanisms in strata overlying sublevel caving mines: a case study

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成果类型：

期刊论文

作者：

Xia, Kaizong;Chen, Congxin;Liu, Xuanting;Zheng, Xianwei;Zhou, Yichao;...

通讯作者：

Xia, KZ

作者机构：

[Liu, Xuanting; Chen, Congxin; Xia, Kaizong; Xia, KZ; Yuan, Jiahao] Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China.

[Liu, Xuanting; Chen, Congxin; Xia, Kaizong; Xia, KZ; Yuan, Jiahao] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

[Zheng, Xianwei] Chengchao Min Co, Ltd WISCO Resources Grp, Ezhou 436051, Hubei, Peoples R China.

[Zhou, Yichao] Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410114, Hunan, Peoples R China.

[Song, Xugen] China Railway Siyuan Survey & Design Grp Co Ltd, Rd Traff Design & Res Inst, Wuhan 430063, Hubei, Peoples R China.

通讯机构：

[Xia, KZ ] C

Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China.

Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

语种：

英文

关键词：

Underground mining;Sublevel caving mine;Ground deformation;Ground collapse sinkhole;Caving of overlying strata;Pipe caving

期刊：

Bulletin of Engineering Geology and the Environment

ISSN：

1435-9529

年：

2024

卷：

期：

页码：

1-24

DOI：

10.1007/s10064-023-03529-1

基金类别：

Financial support for this work was provided by the Youth Fund Program of the National Natural Science Foundation of China and the Program of the Hubei and Hunan Provincial Natural Science Foundation (Grant Nos 42002292, 2023AFB631, and 2022JJ40508).

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

Mechanisms responsible for the caving of the strata overlying Chengchao Iron Mine were investigated by analyzing in situ deformation monitoring results and the distinctive engineering geological conditions. The results indicated that waste rocks caved from the overlying host strata and the large-scale sliding rocks at the footwall near the goaf continuously flow towards the caved zone when surrounding rocks of goaf are relatively broken. As a result, a large air gap does not generally form above the caved zone. In this case, the strata overlying the goaf do not globally cave upwards to the sur...

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Ground collapse and caving mechanisms in strata overlying sublevel caving mines: a case study

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