大干溪Ⅰ号隧道衬砌水压力分析

来源 :公路工程 | 被引量 : 0次 | 上传用户：killpl12

【摘要】

：

在岩溶富水地段,隧道衬砌实际上处在围岩应力场和渗透渗流场双场之中,渗流场的存在会导致围岩自稳能力降低,从而增加了围岩对衬砌的压力,同时渗流场的存在也会对隧道衬砌产生

【作者】

：

朱晓伟王木群

【机构】

：

中铁十七局集团第一工程有限公司,湖南省交通规划勘察设计院

【出处】

：

公路工程

【发表日期】

：

2004年期

【关键词】

：

富水地段渗流隧道衬砌耦合 water-rich percolation tunnel lining coupling

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在岩溶富水地段,隧道衬砌实际上处在围岩应力场和渗透渗流场双场之中,渗流场的存在会导致围岩自稳能力降低,从而增加了围岩对衬砌的压力,同时渗流场的存在也会对隧道衬砌产生了渗透压力,研究了大干溪Ⅰ号隧道衬砌水压力,探讨了在渗流场和围岩应力场相互耦合作用下衬砌内力的变化情况,对富水段隧道衬砌的设计和施工有一定的借鉴意义.

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大干溪Ⅰ号隧道衬砌水压力分析

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