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本文从双连拱隧道的受力、软弱围岩双连拱隧道的施工工艺、隧道线路的顺接等方面对伏龙坪隧道采用的隧道形式进行比选,由于双管分离式隧道形式在受力、施工、线路顺接等方面的优势,本文最后采用双管分离式隧道形式。
In this paper, the tunnel form adopted by Fulongping Tunnel is selected from the force of double-arch tunnel, the construction technology of double-arch tunnel with soft surrounding rock and the smooth connection of tunnel lines. Strength, construction, the line followed by the advantages of other aspects of this article the last two-pipe separate tunnel form.