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地下开挖工程不利地质条件因应案例
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
Received date: 2014-07-02
Online published: 2014-08-11
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
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.
Key words: underground switch yard; fold; collapse
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