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科技导报
| 研究论文 2012, 30(25): 27-31
露天转地下开采地表沉陷预计及安全性分析
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王新民, 柯愈贤, 胡威, 鄢德波
作者信息
Prediction and Safety Analysis for Ground Subsidence of Transition from Open Pit to Underground Mining
Affiliations
出版时间: 2012-09-08
doi: 10.3981/j.issn.1000-7857.2012.25.001
文章导航
为了最大限度地开采地下资源并保证地表建构筑物的安全,运用MIDAS/GTS(岩土与隧道分析系统)建立三维模型,对新桥矿露天转地下开采诱发的地表沉降和移动进行数值模拟研究。结果表明,露天转地下开采影响范围内最大变形值：地表倾斜i、曲率K 及水平变形ε 最大值分别为0.640mm/m、0.012×10-3 /m和0.503mm/m,低于工程范围内建(构)筑物保护等级对应的允许变形值,露天转地下开采不会诱发危及民居等地面建(构)筑物稳定性的移动和变形,为矿山地表沉降预测和安全分析提供了理论依据。
露天转地下
/
地表沉降
/
MIDAS/GTS
/
地表变形值
In order to maximize mining the underground resources and ensure the safety of the buildings and structures located in ground, the ground subsidence and movement induced by transition from open pit to underground mining of Xinqiao Mine was studied based on a three-dimensional model established by MIDAS/GTS. Analyse results showed that the largest value of surface tilt (i), curvature (K ) and horizontal deformation (ε ) are 0.640mm/m, 0.012×10-3 /m and 0.503mm/m, which lower than the structures and buildings objects protection level and the allowable deformation value corresponding. The ground subsidence and movement induced by transition from open pit to underground mining will don't endanger the buildings and structures located in ground, which provide a theoretical basis for prediction and safety analysis of Xinqiao Mine's ground subsidence.
transition from open pit to underground mining
/
ground movement
/
MIDAS/GTS
/
values of deformation
王新民;柯愈贤;胡威;鄢德波.
露天转地下开采地表沉陷预计及安全性分析.
科技导报,
2012
, 30
(25)
: 27
-31
.
DOI: 10.3981/j.issn.1000-7857.2012.25.001
WANG Xinmin;KE Yuxian;HU Wei;YAN Debo.
Prediction and Safety Analysis for Ground Subsidence of Transition from Open Pit to Underground Mining[J].
Science & Technology Review ,
2012
, 30
(25)
: 27
-31
.
DOI: 10.3981/j.issn.1000-7857.2012.25.001
2012年第30卷第25期
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文章信息
doi: 10.3981/j.issn.1000-7857.2012.25.001
接收时间：2012-06-12
首发时间：2012-09-08
出版时间：2012-09-08
收稿日期：2012-06-12
修回日期：2012-07-20
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2012.25.001
引用本文
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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