盾构隧道施工中桩基拔除技术探讨

Author(s)：

郑丽娟1 王永宽2

Publication Title：

Wen Yuan (Primary School Edition) 2021 No.11

Affiliations：

1.上海地铁咨询监理科技有限公司杭州分公司；2.杭州市地铁集团有限公司

Abstract：

杭州机场快线盾构施工需穿越既有桥梁，需对桥梁桩基进行拔除，既有桥梁均处于城市繁华区域，具有周边环境复杂、地质条件差、桥梁施工年代久远、环保要求高等特征，根据现场实际情况进行了分析，采用全回转钢套管对既有桩基进行拔除，既能保证河床的稳定性，又缩短了工期，保护了河道环境，可为类似工程提供经验。

Keywords：

全回转；桩基拔除；桩位拟合；技术探讨

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[1] 郑丽娟1,王永宽2.盾构隧道施工中桩基拔除技术探讨[J].Wen Yuan (Primary School Edition),2021(11),.

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