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Construction technique of diversion pilot's changing-part with super face under soft surrounding rock
Author(s): 
Pages: 37-39
Year: Issue:  5
Journal: RAILWAY CONSTRUCTION TECHNOLOGY

Keyword:  水工隧洞特大断面渐变段施工;
Abstract: 介绍了水布垭导流洞进口渐变段开挖、支护、衬砌所采用的施工技术,通过设置中墩段,有效地减小了隧道施工跨度,解决了软弱围岩特大断面隧洞渐变段施工中的难题.
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