西气东输二线东段隧道险情预警分析及处理方法
Tunnel Danger Prediction Analysis and Treatment for East Section of Second West to East Gas Pipeline
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- DOI:
- 作者:
- 刘庆新1, 张爽1, 纪美术1, 常贺莲2, 王大伟1
LIU Qing-xin1, ZHANG Shuang1, JI Mei-shu1
- 作者单位:
- 1. 中油管道建设工程有限公司, 河北 廊坊 065001;
2. 中国石化管道储运公司潍坊输油处, 山东 潍坊 261021
China Petroleum Pipeline Construction Co., Ltd., Langfang 065001, China
- 关键词:
- 西气东输二线;隧道工程;监控量测;险情处理
the Second West to East Gas Pipeline;tunnel engineering;monitoring measurement;danger treatment
- 摘要:
- 密岭2#隧道是西气东输二线工程干线中最长的非控制性隧道。在隧道施工过程中,监控量测信息可直接反映围岩的稳定状态及支护的安全状态。文章介绍了隧道监控量测工作流程和技术要求,结合西气东输二线东段密岭2#隧道工程进行数据的采集、整理、分析,对围岩稳定性进行分析评判,对可能出现的险情进行预警。险情出现后及时修改了设计参数,在保持对该危险断面监测的同时采取了加固、封堵、钢支护加强等措施,达到保证施工安全的目的。
Monitoring measurement data in the course of tunnel construction can reflect directly the status of wall rock stability and support safety. In this paper, the work flow and technical requirements of monitoring measurement are described; the engineering data acquisition, arrangement and analysis for the Miling 2# tunnel project of east section of the Second West to East Gas Pipeline are carried out, the wall rock stability is analytically evaluated and the possible dangers are predicted. As danger appeared, the design parameters were modified timely. Along with monitoring the dangerous tunnel section, the measures including strengthening,blockage and steel supporting were taken, and the construction safely aim was ensured.2012,3(3): 63-66 收稿日期：2011-2-15DOI：10.3969/j.issn.1001-2206.2012.03.019作者简介：刘庆新(1969- ),男,河北廊坊人,工程师,1995年毕业于大连大学,现从事长输管道土建和非开挖工程项目管理工作.参考文献：
[1] 关惠平,熊俊楠,陶双江,等.近水平岩层隧道围岩变形监测及稳定性分析[J].岩矿测试,2008,27(5):357-362.
[2] 胡文君,王进,胡道华,等.综合超前地质预报在西气东输二线隧道工程中的应用[J].天然气工业,2010,30(5):87-91.
[3] 孙毅力,王芝银,曾志华,等.穿越黄土陡坡管道斜井支护方式[J].油气储运,2009,28(4):67-70.
[4] 张爽,刘庆新,胡力耀,等.广巴高速某隧道不同岩性围岩变形特征分析[J].现代隧道技术,2010,48(1):17-21.
[5] JTG D70-2004,公路隧道设计规范[S].
[6] 胡涛,曾继磊,牛振宇,等.西气东输二线甘肃段地质灾害及防护措施[J].石油工程建设,2010,36(1):112-115.