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In order to improve the construction efficiency in benching excavation for tunnels in water-rich ground, a main tunnel of Xiaomaliu tailings pond was taken as an example in the study. A three-dimensional digital model was constructed according to the actual situation of the project, and the fluid-structure interaction analysis was conducted by simulating benching excavation with three types of bench length. Then, the effect of benching construction with different bench length was analyzed in terms of seepage field, displacement field, stress field and plastic zone distribution of tunnel after construction, and a comprehensive evaluation was presented by using CRITIC algorithm. Results show that excavation with micro bench can bring the best construction effect for the tunnel in water-rich ground, followed by excavation with long bench, and excavation with short bench presents poor effect.

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为提高富水隧道条件下台阶法施工效率,以小麻柳尾矿库主隧道工程为例,根据工程实际情况构建三维数字模型,进行流固耦合分析,分别模拟长台阶法、短台阶法以及微台阶法隧道施工过程。在此基础上,根据施工后隧道渗流场、位移场、应力场及塑性区分布情况分析不同台阶法施工效果,以CRITIC算法对其进行综合评价。结果表明,微台阶法更适于富水条件下隧道工程施工,其次为长台阶法,短台阶法施工效果较差。

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鲁军纪(1978—),男,安徽郎溪人,硕士,高级工程师,主要研究方向为地下矿山超深竖井建设、深部采矿技术。

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鲁军纪(1978—),男,安徽郎溪人,硕士,高级工程师,主要研究方向为地下矿山超深竖井建设、深部采矿技术。

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鲁军纪(1978—),男,安徽郎溪人,硕士,高级工程师,主要研究方向为地下矿山超深竖井建设、深部采矿技术。

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台阶法施工时台阶长度对富水隧道稳定性影响研究
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鲁军纪 1 , 程鑫 2 , 闫小兵 1 , 赵培东 2
矿冶工程杂志 | 采矿 2023,43(6): 29-33
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矿冶工程杂志 | 采矿 2023, 43(6): 29-33
台阶法施工时台阶长度对富水隧道稳定性影响研究
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鲁军纪1, 程鑫2, 闫小兵1, 赵培东2
作者信息
  • 1.湖南涟邵建设工程(集团)有限责任公司,湖南 长沙 410001
  • 2.中南大学 资源与安全工程学院,湖南 长沙 410083
  • 鲁军纪(1978—),男,安徽郎溪人,硕士,高级工程师,主要研究方向为地下矿山超深竖井建设、深部采矿技术。

Influence of Bench Length in Benching Excavation on Stability of Tunnels in Water-Rich Ground
Junji LU1, Xin CHENG2, Xiaobing YAN1, Peidong ZHAO2
Affiliations
  • 1.Hunan Lianshao Construction Engineering (Group) Co Ltd, Changsha 410001, Hunan, China
  • 2.School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
出版时间: 2023-12-01 doi: 10.3969/j.issn.0253-6099.2023.06.007
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为提高富水隧道条件下台阶法施工效率,以小麻柳尾矿库主隧道工程为例,根据工程实际情况构建三维数字模型,进行流固耦合分析,分别模拟长台阶法、短台阶法以及微台阶法隧道施工过程。在此基础上,根据施工后隧道渗流场、位移场、应力场及塑性区分布情况分析不同台阶法施工效果,以CRITIC算法对其进行综合评价。结果表明,微台阶法更适于富水条件下隧道工程施工,其次为长台阶法,短台阶法施工效果较差。

开挖方法  /  台阶法  /  富水隧道  /  隧道施工  /  流固耦合  /  位移场  /  应力场  /  塑性区  /  CRITIC算法

In order to improve the construction efficiency in benching excavation for tunnels in water-rich ground, a main tunnel of Xiaomaliu tailings pond was taken as an example in the study. A three-dimensional digital model was constructed according to the actual situation of the project, and the fluid-structure interaction analysis was conducted by simulating benching excavation with three types of bench length. Then, the effect of benching construction with different bench length was analyzed in terms of seepage field, displacement field, stress field and plastic zone distribution of tunnel after construction, and a comprehensive evaluation was presented by using CRITIC algorithm. Results show that excavation with micro bench can bring the best construction effect for the tunnel in water-rich ground, followed by excavation with long bench, and excavation with short bench presents poor effect.

excavation method  /  benching tunnelling method  /  tunnel in water-rich ground  /  tunnel excavation  /  fluid-structure interaction  /  displacement field  /  stress field  /  plastic zone  /  CRITIC algorithm
鲁军纪, 程鑫, 闫小兵, 赵培东. 台阶法施工时台阶长度对富水隧道稳定性影响研究. 矿冶工程杂志, 2023 , 43 (6) : 29 -33 . DOI: 10.3969/j.issn.0253-6099.2023.06.007
Junji LU, Xin CHENG, Xiaobing YAN, Peidong ZHAO. Influence of Bench Length in Benching Excavation on Stability of Tunnels in Water-Rich Ground[J]. Mining and Metallurgical Engineering, 2023 , 43 (6) : 29 -33 . DOI: 10.3969/j.issn.0253-6099.2023.06.007
  • 中南大学研究生创新项目(2022XQLH080)
2023年第43卷第6期
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doi: 10.3969/j.issn.0253-6099.2023.06.007
  • 接收时间:2023-06-23
  • 首发时间:2026-03-05
  • 出版时间:2023-12-01
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  • 收稿日期:2023-06-23
基金
中南大学研究生创新项目(2022XQLH080)
作者信息
    1.湖南涟邵建设工程(集团)有限责任公司,湖南 长沙 410001
    2.中南大学 资源与安全工程学院,湖南 长沙 410083
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2种不同金属材料的力学参数

Family
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Number of
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种数
Number of
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种数
Number of
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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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