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    • 6. 发明专利
    • Construction method of impervious wall
    • 不规则墙的施工方法
    • JP2008025330A
    • 2008-02-07
    • JP2007000818
    • 2007-01-05
    • Maguma:KkTaiyo Kiso Kogyo KkUniv Waseda太洋基礎工業株式会社学校法人早稲田大学有限会社マグマ
    • AKAGI KANICHIKONDO YOSHIMASAIMAI KINJI
    • E02D5/18
    • PROBLEM TO BE SOLVED: To construct an impervious wall having properties such as strength and low Young's modulus equivalent to those of the ground around the wall, in which a crack is not caused by a seismic load of an earthquake, and having an excellent water cutoff performance, by excavating the ground with avoiding collapse of a trench wall in the ground.
      SOLUTION: The construction method of constructing an impervious wall in the ground comprises the two processes (1), (2) described below. (1) Bubbles are discharged from an excavator 1 to execute excavation in the presence of a bubble-stabilized solution comprising the bubbles and excavation soil. (2) A clay mineral and a hydraulic hardener are added to and mixed with the bubble-stabilized solution. Thus, the impervious wall is constructed.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了构造具有诸如强度等级的低强度等级的不透水壁,其壁面附近的地面不产生裂纹,并且具有 通过挖掘地面,避免地面上的沟槽壁破裂,具有优异的截水性能。 解决方案:在地面构造不透水墙的施工方法包括下述两个工序(1),(2)。 (1)在包含气泡和挖掘土的气泡稳定化溶液的存在下,从挖掘机1排出气泡,进行挖掘。 (2)将粘土矿物和液压硬化剂加入并与气泡稳定溶液混合。 因此,构造了不透水墙。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Pulling back mechanism of excavator in small aperture pipe jacking method
    • 挖掘机在小孔管堵塞方法中的推进机理
    • JP2004211463A
    • 2004-07-29
    • JP2003001321
    • 2003-01-07
    • Maguma:Kk有限会社マグマ
    • MORI RINKONDO YOSHIMASA
    • E21D9/093E21D9/06
    • PROBLEM TO BE SOLVED: To pull back only an excavator or the excavator and a subsequent pipe simply and repeatedly and correct the track before separation from a designed line becomes large and becomes uncorrectable and excavate again. SOLUTION: The pulling back mechanism of an excavator in a small aperture pipe jacking method provided with an excavator and jacking pipes is arranged in the rear side of the excavator and provided with at least two mutually adjacent connectable/separable pipe members, a jack disposed in one pipe member, and a pulling back device mutually jointing/separating the two pipe members by the jack and two pipe members including the pipe member provided with the jack. COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:在与设计线分离之前,仅仅简单反复地拉回挖掘机,挖掘机和随后的管道并纠正轨道变大,变得不可纠正并再次挖掘。

      解决方案:在挖掘机和后起升管的小孔径顶管方法中,挖掘机的拉回机构布置在挖掘机的后侧,并且设置有至少两个相互相邻的可连接/可分离的管构件, 配置在一个管构件中的千斤顶,以及通过千斤顶相互连接/分离两个管构件的拉回装置,以及包括设置有千斤顶的管构件的两个管构件。 版权所有(C)2004,JPO&NCIPI