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第1条目的第一章总则本指南阐明日本国有铁道为安全、经济地进行盾构隧道设计施工的指导方针。[解释]本指南阐明日本国有铁道用盾构法开挖隧道的设计施工指导方针。因此,在采用本指南时,事先应考虑地貌条件、地质条件和其它情况。并与其它种隧道施工法(明挖法、山岭隧道开挖法、沉埋法和沉箱法等)作比较。
Article 1 Purpose Chapter I General Provisions This Guide sets forth guidelines for the design and construction of a shield tunnel for the safe and economical operation of the state-owned railway in Japan. [Explanation] This guide clarifies the design and construction guidelines for the excavation of tunnels by the state-owned railways using the shield method. Therefore, in applying this guideline, prior consideration should be given to the topographical conditions, geological conditions and other circumstances. And with other kinds of tunnel construction method (Ming dug method, mountain tunnel excavation method, submerged method and caisson method) for comparison.