锚杆加固作用下椭圆形深埋隧洞承载力分析

doi:10.6040/j.issn.1672-3961.0.2022.309

山东大学学报 (工学版) ›› 2024, Vol. 54 ›› Issue (1): 131-140.doi: 10.6040/j.issn.1672-3961.0.2022.309

• 土木工程 • 上一篇

锚杆加固作用下椭圆形深埋隧洞承载力分析

郝艳广¹,徐建升²,明道贵¹,雷霆¹,邱明喜¹,陈迪杨^3*

1.中交二航局建筑科技有限公司, 湖北武汉 430050;2.山东科技大学土木工程与建筑学院, 山东青岛 266590;3.山东大学(齐河)新材料与智能装备研究院, 山东德州 251100

发布日期:2024-02-01
作者简介:郝艳广(1982— ),男,湖北武汉人,高级工程师,硕士,主要研究方向为公路水运隧道工程围岩稳定性. E-mail: 67821205@qq.com. *通信作者简介:陈迪杨(1990— ),男,山东德州人,高级工程师,硕士,主要研究方向为隧道围岩变形与支护方面. E-mail: 1391580398@qq.com

Analysis of the bearing capacity of the elliptical deep tunnel under the action of the anchor rod reinforcement

HAO Yanguang¹, XU Jiansheng², MING Daogui¹, LEI Ting¹, QIU Mingxi¹, CHEN Diyang^3*

1. Construction Technology Company, Wuhan 430050, Hubei, China;
2. Shandong University of Science and Technology, Qingdao 266590, Shangdong, China;
3. Shandong University(Qihe)New Materials and Intelligent Equipment Research Institute, Dezhou 251100, Shandong, China

Published:2024-02-01

摘要/Abstract

摘要： 考虑施工过程中大跨度开挖、锚杆的影响等现场实际情况,分别研究椭圆形隧洞承载能力锚杆长度、锚杆数量、锚杆预应力、侧压力系数以及塑性区范围的变化规律。基于平面弹性复变函数的方法,得到围岩任意一点的应力分量表达式,结合摩尔-库伦(Mohr-Coulomb, MC)准则,分别得到剪判据和拉判据下的拱部承载力,讨论开挖半径以及锚杆各参数对于承载力的影响,分析不同参数对孔边应力的影响,孔边应力对形状参数更敏感,会直接影响承载力。利用3DEC软件验证了理论模型的正确性。

关键词: 隧道工程, 椭圆形隧洞, 复变理论, 承载力分析, 预应力锚杆

中图分类号:

O319.56

郝艳广,徐建升,明道贵,雷霆,邱明喜,陈迪杨. 锚杆加固作用下椭圆形深埋隧洞承载力分析[J]. 山东大学学报 (工学版), 2024, 54(1): 131-140.

HAO Yanguang, XU Jiansheng, MING Daogui, LEI Ting, QIU Mingxi, CHEN Diyang. Analysis of the bearing capacity of the elliptical deep tunnel under the action of the anchor rod reinforcement[J]. Journal of Shandong University(Engineering Science), 2024, 54(1): 131-140.

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锚杆加固作用下椭圆形深埋隧洞承载力分析

Analysis of the bearing capacity of the elliptical deep tunnel under the action of the anchor rod reinforcement

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