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施工技术

地下开挖工程不利地质条件因应案例

  • 罗立 ,
  • 许顺波 ,
  • 李锦浚
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  • (1.中兴工程顾问股份有限公司,台北 10570; 2. 台湾电力公司,台中 42444)
罗立(1965—),1989年毕业于台湾大学海洋研究所,硕士,现任中兴工程顾问股份有限公司技术经理,负责相关工程大地工程调查、评估、分析及设计工作的审核。

收稿日期: 2014-07-02

  网络出版日期: 2014-08-11

Case Study on Treatments of Adverse Geological  Conditions Met in Underground Projects

  • LUOR Lih ,
  • HSU Shungpo ,
  • LEE Chinchun
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  • (1. Sinotech Engineering Consultants, Ltd., Taipei 10570; 2. Taiwan Power Company, Taichung 42444)

Received date: 2014-07-02

  Online published: 2014-08-11

摘要

大甲溪发电厂青山分厂复建工程位于台湾中部山区大甲溪中上游,新建地下工程主要有:地下开关场、尾水隧道延长段及厂区对外联络信道,这些地下工程遭遇的岩层主要由向东倾斜的变质砂岩及板岩组成,其间存在甚多褶皱构造与剪裂构造,造成施工过程遭遇甚多地质灾害与困难,包括:开挖能量低、隧道沉陷、落盘及抽坍等,经工程团队戮力合作,终能克服不利地质环境,顺利完成新建地下工程。

本文引用格式

罗立 , 许顺波 , 李锦浚 . 地下开挖工程不利地质条件因应案例[J]. 隧道建设, 2014 , 34(增刊) : 264 -273 . DOI: 10.3973/j.issn.1672-741X.2014.S.041

Abstract

The project located at the upstream of Tachia River, mountainous area of central Taiwan. The newly-built underground construction includes underground switch yard, elongated section of tailrace tunnel and access roads. The geology of the underground construction site consists of eastward dipping metamorphic sandstone and slate with numerous folds and shearing structures which leaded to substantial difficulty. It includes slow excavation, tunnel subsidence, and collapse. Still after remarkable efforts of teamwork, all the disadvantages were conquered eventually. 

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