2012年4月下 施工技术 第41卷第363期 CONSTRUCTION TECHNOLOGY 43 监控量测在谷竹高速宴家隧道的应用 段宝福,朱应磊,刘波2,王兆东 (1 山东科技大学防灾减灾重点实验室,山东青岛266590: 2.山末省莱芜市公路局工程二处,山末莱芜271100) [摘要】为了解腿道施工中各横断面在纵向上的变形相关性,以湖北谷竹高速宴家隧道为工程背景,对各断面拱顶 下沉值和水平收敏值进行全过程监控量测,并利用数值模拟软件ABAQUS进行数值分析.通过对实际施工过程中 监控量测和数值模拟结果的分析,总结出在纵向上各断面拱顶下沉和水平收放与围岩性质的关系,指出拱顶下沉 为控制施工的关键因素,是反映围岩稳定性和力学状态最直观的数据. [关键词]隧道:监控;数值模拟:拱顶下沉:水平收:相关性分析 [中图分类号]U455 [文献标识码】A【文章编号]1002-8498(2012)08-0043-04 Application of Monitoring and Measurement in Yanjia Tunnel of Gucheng-Zhuxi Expressway Duan Baofu' Zhu Yinglei' Liu Bo Wang Zhaodong' (1.Key Laboratory of Civil Engineering Disaster Prepentien and Mitigation SDUST) Qingdao Shandong 266590 China:2.Shandong Provincial No.2 Engineering Department of Highway Bureau o f Laiwu Laiwu Shandong2700 China) Abstract:In order to analyze the correlation of vertical deformation of the cross correlation during tunnel construction the vault settlement and horizontal convergence of all sections are measured based on Yanjia Tunnel of Gucheng-Zhuxi Expressway.Furthermore the software ABAQUS is used to analyze the vault settlement and horizontal convergence.Through analysis on the monitored and simulated data the relation of surrounding rock features with the vault settlement and horizontal convergence are summed up. Iti pointed out that the vault settlement are one of main factors for controlling construction and it is the direct data that reflecting stability of surrounding rock and mechanical state. Key words:tunnels;monitoring;numerical ...