随着盾构法隧道施工在城市交通工程中的日益发展，隧道修建时将不可避免地截除城市中一些重要建（构）筑物桩基，稍有不慎，后果不堪设想，因此采取有效的桩基托换，选择合理盾构施工参数，增加必要的技术措施成为盾构掘进直接截除桩基施工的关键。%With the fast development of shield tunnel construction in city traffic engineering, it is inevitable to cut off the piles of some important building in tunnel construction. A minor mistake may cause serious consequence. It is a decisive point to take effective pile foundation supporting, choose rational shield parameter and add some necessary technical measures.
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