Rock stability analysis and site monitoring of mechanical behavior for 
excavation of closely adjacent tunnels

LI Li-ping; LI Shu-cai; ZHANG Qing-song; MA Fu-kui

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Rock stability analysis and site monitoring of mechanical behavior for excavation of closely adjacent tunnels

更新时间：2026-06-25

- Rock stability analysis and site monitoring of mechanical behavior for excavation of closely adjacent tunnels
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 山东大学岩土与结构工程研究中心,济南,250061
  2. 中铁十三局,大连,116033
- 作者简介：
- 基金信息：
- DOI：
  CLC： U452
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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LI Li-ping, LI Shu-cai, ZHANG Qing-song, et al. Rock stability analysis and site monitoring of mechanical behavior for excavation of closely adjacent tunnels[J]. 2006, 27(S1).
DOI：

LI Li-ping, LI Shu-cai, ZHANG Qing-song, et al. Rock stability analysis and site monitoring of mechanical behavior for excavation of closely adjacent tunnels[J]. 2006, 27(S1). DOI：

摘要

在分岔隧道施工过程中，小间距段支护体系力学性态直接反映分岔隧道的稳定状况，结合沪－蓉线庙垭分岔隧道，对小间距中墙薄弱处侧向加固进行了理论分析，通过对围岩变形和围岩压力、钢支撑内力、锚杆轴力等支护体系监测成果的系统分析，以及中墙爆破振动现场试验研究，评判了小间距隧道的稳定状况，所得结论可为日后同类工程的设计、施工、监测提供有益的借鉴。

Abstract

The mechanical behavior of supporting system for closely adjacent tunnels is the direct indication of its safety in the excavation of diverging tunnels; combined practical work of Miaoya diverging tunnel with small interval in Hu-Rong Expressway

the lateral reinforcement theory of inter-space rock and site monitoring of closely adjacent tunnels are introduced; based on the results

the deformation of surrounding rock and mechanical behavior of supporting system are presented; together with the study on the field experiments for blasting vibration of inter-space rock

the stability of closely adjacent tunnels is evaluated; and the conclusions obtained will devote to the following studies.

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