| 关口垭隧道塌方处理及效果分析 |
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| 引用本文： | 陈秋南, 张永兴, 吕强, 万文, 阳生权. 2005: 关口垭隧道塌方处理及效果分析. 工程地质学报, 13(3): 316-319. |
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| 作者姓名： | 陈秋南 张永兴 吕强 万文 阳生权 |
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| 作者单位： | 1.湖南科技大学土木工程学院,湘潭411201;;2.重庆大学土木工程学院,重庆400045;;3.湖南省交通规划勘测设计院,长沙410073 |
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| 基金项目： | 湖南省教育厅科研项目;国家自然科学基金 |
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| 摘 要： | 常张高速公路关口垭隧道右洞施工过程中连降暴雨,导致YK73+955~YK73+925段塌方,分析塌方原因后,结合工程具体情况,采用超前小导管预注浆方法处理塌方区,在处理段增设两个监测断面,从隧道收敛位移和拱顶下沉规律结果可知,超前小导管预注浆方法处理塌方区效果良好。
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| 关 键 词： | 隧道工程 塌方处理 效果分析 |
| 收稿时间： | 2004-08-10 |
| 修稿时间： | 2004-11-18 |
ANALYSIS OF COLLAPSE DISPOSAL AND ITS EFFECT AT GUANKOUYA HIGHWAY TUNNEL |
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| CHEN Qiunan, ZHANG Yongxing, LU Qiang, WAN Wen, YANG Shengquan. 2005: ANALYSIS OF COLLAPSE DISPOSAL AND ITS EFFECT AT GUANKOUYA HIGHWAY TUNNEL. JOURNAL OF ENGINEERING GEOLOGY, 13(3): 316-319. |
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| Authors: | CHEN Qiunan ZHANG Yongxing LU Qiang WAN Wen YANG Shengquan |
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| Affiliation: | 1.School of Civil Engineering| Hunan University of Science &|Technology, Xiangtan 411201;;2.School of Civil Engineering, Chongqing University, Chongqing 400045;;3.Traffic programming and Design Institute of Hunan,Changsha 410073 |
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| Abstract: | Owing to continuous rainstorm and fractured surrounding rock, collapse of tunnel was broken out in the cross-section YK73+955～YK73+925. Based on the analysis of field engineering geology and construction condition, ahead ductile grouting method was recommended and applied to pre-treat the surrounding rock. In order to test consolidation effect, two measurement cross sections were set up at the collapse zone. Measurement results of convergence and vault displacement show that the tunnel collapse zone was well strengthened by the ahead ductile grouting method. |
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| Keywords: | Tunneling engineering Collapse disposal Effect analysis |
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