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介绍朔黄线软弱围岩中的东风隧道 ,根据新奥法原理所采用的施工原则和施工方法与工艺 ,特别谈到加固拱脚的措施及其作用。
The paper introduces the Dongfeng tunnel in the weak surrounding rock of the Shuo-Huang line. According to the construction principle and construction method and process adopted by the New Austrian law, especially the measures of reinforcing the arch foot and its function.