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    • 1. 发明专利
    • Portal cut-off structure, and method of advancing shield machine
    • 门式切割结构及其先进方法
    • JP2010190014A
    • 2010-09-02
    • JP2009038355
    • 2009-02-20
    • Ohbayashi Corp株式会社大林組
    • MIKI KEIZOYOKOMIZO FUMIYUKIKIMURA TSUTOMUKAWAKAMI SUENOBUHINO YOSHIJI
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a cut-off structure for cutting off underground water flowing out of a clearance between the lower face of an upper stage cutter part of a shield machine and a portal when the upper stage cutter part enters the natural ground from a space or enters the space from the natural ground, and a method of advancing a cut-off structure part. SOLUTION: The cut-off structure 2 of the portal 3 includes a first cut-off means 7 mounted to an earth retaining wall 1 along the peripheral edge of the portal 3, and a second cut-off means 10 provided inside the first cut-off means 7. The first cut-off means 7 is composed of the first cut-off material 8 formed in an annular shape, and a first backup material 9 provided at the space 6 side rather than the first cut-off material 8. The second cut-off means 10 is composed of a second cut-off material 11 with both ends connected to the inner peripheral edge of the first cut-off material 8, and a second backup material 12 provided at the space 6 side rather than the second cut-off material 11. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种切断结构,用于当上层切割器部分进入到屏蔽机器的上层切割器部分的下表面和入口之间时,从地下水中流出的地下水 从空间自然地面或从自然地面进入空间,以及推进截止结构部分的方法。 解决方案:入口3的切断结构2包括沿着入口3的周缘安装到土挡板1的第一切断装置7,以及设置在入口3的内侧的第二切断装置10。 第一切断装置7由形成为环状的第一切断材料8和设置在空间6侧而不是第一切断部件的第一切断材料 第二切断装置10由第二截止材料11构成,第二切断材料11的两端连接到第一切割材料8的内周边缘,第二支撑材料12设置在空间6侧 比第二个截止材料11.版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Water cut-off structure
    • 水切割结构
    • JP2010121293A
    • 2010-06-03
    • JP2008293680
    • 2008-11-17
    • Ohbayashi Corp株式会社大林組
    • KIMURA TSUTOMUYOSHIDA KIMIHIROYOSHIDA YOICHIKAWAKAMI SUENOBU
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a water cut-off structure adjustable at site to conform to the size of a clearance between a lining body and a pit wall and constructible between the lining body and the pit wall immediately after a boring machine passes.
      SOLUTION: The water cut-off structure 1 prevents water from flowing into a shaft 3 from a clearance 9 between segments 5 laid in a tunnel 2 and the pit wall 6 of the shaft 3 even after the occurrence of relative displacement between the segments 5 and the pit wall 6 at a connection part 4 between the tunnel 2 and the shaft 3. The water cut-off structure is constructed by interposing a high rigidity sealing material 7 broken when a load of a predetermined value or more is applied thereto, and an elastic sealing material 8 lower in rigidity and higher in expansibility than the high rigidity sealing material 7, in the clearance 9 between the segments 5 and the pit wall 6.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供在现场可调节的防水结构,以符合衬里主体和凹坑壁之间的间隙的大小,并且可以在钻孔机之后立即在衬里体和凹坑壁之间构造 经过。 解决方案:水切断结构1防止水从布置在通道2中的段5与轴3的凹坑壁6之间的间隙9流入轴3,即使在相互之间发生相对位移之间 分段5和坑壁6在隧道2和轴3之间的连接部分4处。水切断结构通过在施加预定值或更大的负载的情况下插入高刚性密封材料7而构成 以及弹性密封材料8,其刚性低于高刚性密封材料7,在段5和凹坑壁6之间的间隙9中具有较低的刚性和较高的膨胀性。(C)2010,JPO&INPIT
    • 4. 发明专利
    • Method of increasing width of shield tunnel
    • 增加盾构隧道宽度的方法
    • JP2010043440A
    • 2010-02-25
    • JP2008207237
    • 2008-08-11
    • Ohbayashi Corp株式会社大林組
    • YOKOMIZO FUMIYUKITAKAHASHI MASATOMATSUBARA KENTAKAWAKAMI SUENOBUTSUCHIYA KOSABURO
    • E21D9/06E21D9/04
    • PROBLEM TO BE SOLVED: To provide a method of increasing the width of a shield tunnel capable of easily constructing a bearing wall for supporting an earth and of reliably preventing a ground from being changed by supporting the bearing wall from the inside.
      SOLUTION: This method of increasing the width of a shield tunnel includes: a working area constructing step for constructing a working area 3 by enlarging a part of the shield tunnel 1, a steel pipe installation step of forming a pipe roof 11 in such a manner as to surround a portion to be enlarged 8, a bearing wall construction step for constructing temporary RC bearing walls 15 by excavating the portion to be enlarged 8 at predetermined intervals, a first skeleton installation step for excavating the portion to be enlarged 8 between the temporary RC bearing walls 15 and installing a skeleton 17, and a second skeleton installation step for removing the temporary RC bearing walls and installing the skeleton 17.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种增加能够容易地构造用于支撑地球的支承壁的屏蔽隧道的宽度的方法,并且通过将支承壁从内部支撑来可靠地防止地面被改变。 解决方案:增加屏蔽隧道的宽度的方法包括:通过扩大屏蔽通道1的一部分来构造工作区域3的工作区域构造步骤,将管顶11形成在其中的钢管安装步骤 围绕放大部分8的方式,通过以预定间隔挖掘要放大的部分8来构造临时RC轴承壁15的轴承壁施工步骤,用于挖掘待扩大部分的第一骨架安装步骤8 在临时RC轴承壁15和安装骨架17之间,以及第二骨架安装步骤,用于移除临时RC轴承壁并安装骨架17.版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Flexible joint structure
    • 柔性接头结构
    • JP2010121294A
    • 2010-06-03
    • JP2008293681
    • 2008-11-17
    • Ohbayashi Corp株式会社大林組
    • KIMURA TSUTOMUYOSHIDA KIMIHIROKAWAKAMI SUENOBUHINO YOSHIJI
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a flexible joint structure adjustable on site to conform to the size of a clearance between a lining body and a pit wall and constructible in the clearance immediately after a boring machine passes.
      SOLUTION: The flexible joint structure 1 prevents water from flowing into a shaft 3 from a clearance between the segments 5 laid in a tunnel 2 and the pit wall 6 of a shaft 3 in the case of the occurrence of relative displacement between the segments 5 and the pit wall 6. Specifically, the flexible joint structure includes an annular water cut-off member 8 fixed to the segments 5 and the pit wall 6 of the shaft 3 to straddle the clearance 9, and a flexible annular backup member 7 provided inside the shaft 3 rather than the water cut-off member 8, fixed to the segments 5 and the pit wall 6 of the shaft 3 and higher in rigidity than the water cut-off member 8.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供现场可调节的柔性接头结构,以符合镗孔机通过后立即在衬里体和凹坑壁之间的间隙的尺寸,并可在间隙中构造。 解决方案:柔性接头结构1防止水从位于通道2中的段5与轴3的凹坑壁6之间的间隙流入轴3,在发生相对位移的情况下 具体地,柔性接头结构包括固定到轴3的段5和凹坑壁6以跨越间隙9的环形水切除构件8和柔性环形支撑构件7 设置在轴3内而不是截水部件8,固定到轴3的部分5和凹坑壁6上,并且刚性高于截水部件8.版权所有(C) 2010年,JPO&INPIT
    • 7. 发明专利
    • Method and structure for reinforcing segment
    • 加强分段的方法和结构
    • JP2010101023A
    • 2010-05-06
    • JP2008271267
    • 2008-10-21
    • Ohbayashi Corp株式会社大林組
    • YOSHIDA KIMIHIROKAWAKAMI SUENOBUINA HIROSUKETAKAHAMA TATSUYA
    • E21D11/04
    • PROBLEM TO BE SOLVED: To provide a method for reinforcing a segment which bears a horizontal compressive force during the excavation of a shallow location and can be efficiently installed, and a reinforcing structure constructed by the method. SOLUTION: The structure 2 for reinforcing the segment 1 in a tunnel 3 reinforces the segment 1 which is annularly laid in the tunnel 3 bored by a shield machine 10 and covered with soil in low height. A horizontally-installed permanent beam 4 is provided in the segment 1. The rod-like permanent beam 4 is installed in the segment 1 in such a manner that its longitudinal direction is orthogonal to the axial direction of the tunnel 3. In this embodiment, the permanent beams 4 which comprise first and second permanent beams 4a and 4b installed in the inside lower and upper portions of the segment 1, respectively, are installed in segment rings 1b on a one-by-one basis, respectively. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于加强在浅位置的挖掘期间承受水平压缩力并且可以有效地安装的段的方法,以及通过该方法构造的加强结构。 解决方案:用于加固隧道3中的段1的结构2加强了环形铺设在由屏蔽机10钻孔的隧道3中并被低高度的土壤覆盖的段1。 水平安装的永久梁4设置在段1中。杆状永久梁4以其纵向方向与隧道3的轴向正交的方式安装在段1中。在该实施例中, 分别安装在片段1的内侧下部和上部的分别包括第一和第二永久杆4a和4b的永久梁4分别以一个一个的方式安装在节环1b中。 版权所有(C)2010,JPO&INPIT