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    • 5. 发明专利
    • Construction method for underground structure
    • 地下结构施工方法
    • JP2009108474A
    • 2009-05-21
    • JP2007278426
    • 2007-10-26
    • Central Japan Railway CoJ R Tokai Kensetsu KkJeitekku:KkTekken Constr Co Ltdジェイアール東海建設株式会社東海旅客鉄道株式会社株式会社ジェイテック鉄建建設株式会社
    • OKUDA JUNZOISONO JUNJIYAMAMURA TAKESHICHIJIIWA MITSUOYASHIRO KOJINAGAOKA TAKASHI
    • E21D9/04E21D13/02
    • PROBLEM TO BE SOLVED: To provide a construction method for an underground structure, which enables construction to be inexpensively performed in a short period of time, because an auxiliary construction method such as a chemical grouting method becomes unnecessary by preventing the intrusion of groundwater into a fitting portion of a joint in the construction on natural ground with the groundwater.
      SOLUTION: A protective member 30 is mounted in joints (joints to be protected) 6 and 9 for being fitted into a joint of a lining element, inserted into the natural ground in a following manner, among joints of lining elements inserted in a preceding manner into the natural ground, in the state of covering an opening 16 along the longitudinal direction of a fitting groove 15. A gelatinous filler 31 is tightly infilled into the fitting grooves 15 of the joints 6 and 9 to be protected in advance. Additionally, a water-expansible seal member 14 for closing a section between the joint 6 or 9 and a leading end of a curved portion of the joint to be fitted into the joints 6 and 9 is attached.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种地下结构的施工方法,能够在短时间内廉价地进行施工,因为通过防止侵入的化学灌浆方法等辅助施工方法变得不必要 地下水进入自然地面与地下水建筑物的接头的拟合部分。 解决方案:保护构件30安装在接头(待保护的接头)6和9中,以插入到插入天然地面的衬里元件的接头中,以下列方式插入到衬垫元件的接头中: 在自然地面中,沿着装配槽15的长度方向覆盖开口16的状态。将凝胶填料31紧密地填充到要被保护的关节6和9的装配槽15中。 此外,安装用于封闭接头6或9之间的部分的水可膨胀密封构件14和待装配到接头6和9中的接头的弯曲部分的前端。 版权所有(C)2009,JPO&INPIT