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二郎山公路隧道地应力测试研究
引用本文:徐林生,王兰生,孙宗远,徐进.二郎山公路隧道地应力测试研究[J].岩石力学与工程学报,2003,22(4):611-614.
作者姓名:徐林生  王兰生  孙宗远  徐进
作者单位:1. 重庆交通学院桥梁隧道及结构工程系,重庆,400074
2. 成都理工大学工程地质研究所,成都,610059
3. 国家电力公司成都勘察设计院,成都,610000
摘    要:通过对2组钻孔应力解除法地应力的测试和6组Kaiser效应地应力的测试,查明了二郎山深埋特长公路隧道工程岩体内地应力的总体状态为潜在走滑型,隧道中部测得的地应力量级普遍较高,最大主应力高达35.5MPa,因而,施工过程中须高度重视其高地应力与岩爆问题。

关 键 词:隧道工程  二郎山深埋特长隧道  钻孔应力解除法  Kaiser效应  高地应力与岩爆
文章编号:1000-6915(2003)04-0611-04
收稿时间:2001-6-13
修稿时间:2001年6月13日

IN-SITU STRESS MEASUREMENT IN ROCKMASS OF ERLANG MOUNTAIN HIGHWAY TUNNEL
XuLinsheng,Wang Lansheng,Sun Zongyuan,XuJin.IN-SITU STRESS MEASUREMENT IN ROCKMASS OF ERLANG MOUNTAIN HIGHWAY TUNNEL[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(4):611-614.
Authors:XuLinsheng  Wang Lansheng  Sun Zongyuan  XuJin
Abstract:Through the in-situ stress measurement by borehole overcoring technique and Kaiser effect method, it is found out that the general space stress state of rockmass in the famous, deeply-lying and especially long Erlang mountain highway tunnel, belongs to the potential strike-slip type. The measured in-situ stresses in the middle part of the tunnel are generally very large with the major principal stress of 35.3 MPa. So during the construction process, the problems of high in-situ stress and rockburst have to be taken into account.
Keywords:tunneling engineering  deeply-lying and especially long highway tunnel in Erlang mountain  stress relief by borehole overcoring technique  Kaiser effect  high in-situ stress and rockburst
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