Study of reinforcement mechanics for fully grouting rock bolt in tunneling wall rock

ZHU Xun-guo; YANG Qing; LUAN Mao-tian

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Study of reinforcement mechanics for fully grouting rock bolt in tunneling wall rock

更新时间：2026-06-25

- Study of reinforcement mechanics for fully grouting rock bolt in tunneling wall rock
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  1. 大连理工大学土木水利学院岩土工程研究所,大连,116024
  2. 大连理工大学海岸和近海工程国家重点实验室,大连,116024
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU454
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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ZHU Xun-guo, YANG Qing, LUAN Mao-tian. Study of reinforcement mechanics for fully grouting rock bolt in tunneling wall rock[J]. 2007, 28(S1).
DOI：

ZHU Xun-guo, YANG Qing, LUAN Mao-tian. Study of reinforcement mechanics for fully grouting rock bolt in tunneling wall rock[J]. 2007, 28(S1). DOI：

摘要

在弹性状态下，根据锚固体的受力情况建立了锚固体的摩阻力分布模型。根据此模型，结合隧道围岩位移变化函数推导了全长注浆岩石锚杆在围岩变形下的全长受力分布函数。并结合工程实例，分析了锚杆的应力分布特征，得出了注浆岩石锚杆在围岩变形中受力的基本特征。

Abstract

The shear stress distribution analytical model of the grouted rock bolt in uniformly deformed tunnel wall rock mass has been developed according to the anchoring solid mass’s forcing situation and the M－C yielding criterion of the interface between anchoring solid mass and wall rock mass. And according to the interaction between anchoring solid mass and wall rock mass of tunneling

the interaction model and general solution to the shear stress of the rock bolt without decoupling at the bolt interface have been developed. For rock bolts installed in uniformly deformed rock

the loading process of the bolts due to rock deformation is taken into account in developing the model. Model simulations confirm the previous findings that a bolt in situ has a pick-up length

an anchor length and neutral point.

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Related Author

ZHU Xun-guo

YANG Qing.

WEI Shi-yan

GUO Jian-qiang

SU Lei

LI Yu

TIAN Wei

JIA Yi-heng

Related Institution

College of Architectural Engineering，Dalian University

School of Civil Engineering, Guizhou University

School of Civil Engineering, Chang’an University

Key Laboratory of Degraded and Unused Land Consolidation Engineering, Ministry of Natural Resources

State Key Laboratory of Shield Machine and Boring Technology, China Railway Tunnel Group Co., Ltd.

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