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    • 1. 发明专利
    • Construction method for lining concrete, and lining concrete structure
    • 混凝土结构施工方法及混凝土结构
    • JP2008308855A
    • 2008-12-25
    • JP2007156690
    • 2007-06-13
    • Ohbayashi Corp株式会社大林組
    • NAKATO TAKAAKIISO YOSHINOBUINOUE MAKOTOMORINO HIROYUKIFUKAWA YOSHIFUMIFUJII TAKESHI
    • E21D11/10
    • PROBLEM TO BE SOLVED: To provide a construction method for lining concrete which is formed in such a shape that a portion abutting on a lower section of a tunnel is opened.
      SOLUTION: In this construction method, the portion abutting on the lower section of the tunnel 1 can be spread in an opened state along an inner wall surface of the lining concrete 30 to be constructed; a plurality of telescopic type forms 10, the diameters of which can be reduced toward the center of the tunnel 1, are connected together in a length direction in a spread state; the concrete 30 is placed on a portion which abuts on the outer periphery of at least one 10, positioned at the placing-progress-direction front end of the concrete, of the connected telescopic type forms 10; the placed concrete 30 is cured; and at least one 10 of the connected telescopic type forms 10 is connected in the state of being moved further ahead of the at least one telescopic type form 10 at the placing-progress-direction front end. The above operations are repeated so that the lining concrete 30 can be constructed along an inner wall of a hole of the tunnel 1. Supporting concrete 31 is constructed on both the sides of the lower section of the inside of the tunnel 1, and both ends of the telescopic type form 10 are supported by the supporting concrete 31.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种以混合物的下部形成的部分的形状形成的混凝土的施工方法。 解决方案:在该施工方法中,与隧道1的下部邻接的部分能够沿着要构造的衬里混凝土30的内壁面在打开状态下扩展; 能够朝向隧道1的中心减小直径的多个伸缩式形式10在扩展状态下沿长度方向连接在一起; 将混凝土30放置在与所连接的伸缩式10形式的位于混凝土的放置前进方向前端的至少一个10的外周上的部分上; 放置的混凝土30固化; 并且连接的伸缩式10中的至少一个10在进给方向前端处于至少一个伸缩式10的前方的状态下连接。 重复上述操作,使得衬里混凝土30可以沿着隧道1的孔的内壁构造。支撑混凝土31构造在隧道1内部的下部的两侧,并且两端 伸缩型10由支撑混凝土31支撑。版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Tunnel widening method and tunnel widening structure
    • 隧道施工方法及隧道施工结构
    • JP2013221240A
    • 2013-10-28
    • JP2012091167
    • 2012-04-12
    • Ohbayashi Corp株式会社大林組
    • TAKAHAMA TATSUYAFUJII TAKESHIISO YOSHINOBUITO KATSUYA
    • E21D9/06
    • PROBLEM TO BE SOLVED: To enable tunnel widening work with good constructing efficiency.SOLUTION: A tunnel widening method includes executing a first step of driving first anchor bolts 27 into the natural ground side faces of a region 23 formed by excavation in tunnel axial directions to form first trench-shaped regions, and constructing predetermined-width first skeletons in the first trench-shaped regions, a second step of, while excavating a natural ground 1 ranging from widening scheduled positions adjacent to the first trench-shaped regions at predetermined intervals to the outside of a tunnel, into predetermined-width trench shapes, fixing to the natural ground side faces the ends of the first anchor bolts 27 exposed to one natural ground side face of the region formed by the excavation to form tie-rods, driving anchor bolts in the other natural ground side face of the region in the tunnel axial directions to form second trench-shaped regions, and constructing predetermined-width second skeletons in the second trench-shaped regions, and a third step of excavating the natural ground integrated with the tie-rods while removing the tie-rods, and constructing skeletons between the first skeletons and the second skeletons.
    • 要解决的问题:使隧道加宽工作具有良好的构造效率。解决方案:隧道扩宽方法包括执行第一步骤,将第一锚定螺栓27驱动到通过隧道轴向方向挖掘形成的区域23的自然地面侧面, 形成第一沟槽状区域,并且在第一沟槽状区域中构造预定宽度的第一骨架,第二步骤,在以预定间隔从与第一沟槽状区域相邻的预定位置变宽的自然地面1挖掘时, 隧道的外部形成预定宽度的沟槽形状,固定到自然地面,面向暴露于由挖掘形成的区域的一个自然地面侧面的第一锚定螺栓27的端部,以形成拉杆,驱动锚 螺栓在隧道轴向方向上的区域的另一自然地面侧,形成第二沟槽状区域,构成预定宽度 在第二沟槽状区域中的第二骨架,以及在移除拉杆的同时挖掘与拉杆一体化的自然地面并在第一骨架和第二骨架之间构造骨架的第三步骤。
    • 6. 发明专利
    • Stabilization method of tunnel excavation surface
    • 隧道掘进面稳定方法
    • JP2007107266A
    • 2007-04-26
    • JP2005298899
    • 2005-10-13
    • Ohbayashi Corp株式会社大林組
    • MIZUNO NOBORUKUWATA NOBUYOSHIWAKIZAKA OSAMUISO YOSHINOBUONISHI YASUYUKIFURUYA YOSHINOBU
    • E21D11/10
    • PROBLEM TO BE SOLVED: To provide a stabilization method of a tunnel excavation surface good in respect of safety and environment capable of finely maintaining a shape of the excavation surface until a concrete is sprayed after the excavation without peeling the excavation surface by spraying a spray material and also setting it in a short time, at the same time, shortening necessary construction time by making it possible to carry out spraying and setting of the spray material within a short time and finely carrying out.
      SOLUTION: In the method stabilizing the excavation surface 12 by spraying a concrete on the tunnel excavation surface 12, the excavation surface 12 is sprayed with an acrylic acid based chemical in the shape of a fine mist before the concrete spraying, a surface layer is made to permeate and cure to form a shell 46 in the surface layer, and then, the concrete is sprayed.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供隧道开挖面的稳定化方法,在安全和环境方面能够精细地保持挖掘面的形状,直到在挖掘之后喷射混凝土,而不会通过喷射剥离开挖面 喷雾材料并且在短时间内进行设置,同时通过使得可以在短时间内进行喷涂和设置,并且精细地进行,缩短了必要的施工时间。 解决方案:在通过在隧道挖掘面12上喷涂混凝土来稳​​定挖掘面12的方法中,在混凝土喷射之前,将开采面12喷射为细雾状的丙烯酸类化学物质,表面 使层渗透并固化以在表层中形成壳体46,然后喷涂混凝土。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Tunnel widening method and tunnel widening structure
    • 隧道施工方法及隧道施工结构
    • JP2013221241A
    • 2013-10-28
    • JP2012091168
    • 2012-04-12
    • Ohbayashi Corp株式会社大林組
    • TAKAHAMA TATSUYAFUJII TAKESHIISO YOSHINOBUITO KATSUYA
    • E21D9/06E21D9/04
    • PROBLEM TO BE SOLVED: To enable tunnel widening work with good constructing efficiency.SOLUTION: A tunnel widening method includes executing a first step of performing the installation of pipe roofs 16 on a natural ground 1 in tunnel axial directions and chemical injection thereinto to apply water stop treatment to widening scheduled positions, a second step of driving first anchor bolts 27 into the natural ground side faces of a region 23 formed by excavation in the tunnel axial directions to form first trench-shaped regions, and constructing predetermined-width first skeletons in the first trench-shaped regions, a third step of, while excavating the natural ground 1 ranging from the first trench-shaped regions into predetermined-width trench shapes, fixing to the natural ground side faces the ends of the first anchor bolts 27 exposed to one natural ground side face of the region formed by the excavation to form tie-rods, driving anchor bolts in the other natural ground side face of the region in the tunnel axial directions to form second trench-shaped regions, and constructing predetermined-width second skeletons in the regions, and a fourth step of excavating the natural ground integrated with the tie-rods while removing the tie-rods, and constructing skeletons.
    • 要解决的问题:使隧道拓宽工作具有良好的构造效率。解决方案:隧道拓宽方法包括执行在隧道轴向上在自然地面1上安装管道屋顶16并在其中进行化学注入以施加水的第一步骤 停止处理以扩大预定位置,第二步骤将第一锚定螺栓27驱动到通过在隧道轴向方向上挖掘而形成的区域23的自然地面侧面中,以形成第一沟槽状区域,并且构建预定宽度的第一骨架 第一沟槽区域,第三步骤,在从第一沟槽状区域到预定宽度的沟槽形状挖掘自然地面1的同时,固定到自然地面,面向第一锚定螺栓27的暴露于 通过挖掘形成的区域的一个自然地面侧面形成拉杆,在t的另一自然地面侧面驱动地脚螺栓 在区域中形成第二沟槽状区域,并且在该区域中构造预定宽度的第二骨架;以及第四步骤,在移除拉杆的同时挖掘与拉杆一体化的自然地面,并构造 骨骼。
    • 8. 发明专利
    • Tunnel construction method and tunnel constructed by the method
    • 隧道施工方法和隧道施工方法
    • JP2011074676A
    • 2011-04-14
    • JP2009228009
    • 2009-09-30
    • Ohbayashi Corp株式会社大林組
    • ISO YOSHINOBUSAITO ARISA
    • E21D9/01
    • PROBLEM TO BE SOLVED: To provide a tunnel construction method which is not affected by geological conditions and is excellent in economic efficiency, and to provide a tunnel constructed by the construction method. SOLUTION: A new tunnel 1 comprises a widened tunnel portion 4 constructed by widening an existing tunnel 3, and a branch tunnel portion 5 branching from the widened tunnel portion 4. The widened tunnel portion 4 comprises a first zone M whose cross sectional size is constant, and a second zone N whose cross sectional size becomes gradually larger. The branch tunnel portion 5 is constructed so as to branch from the inside of the widened tunnel portion 4 at a predetermined angle toward the deep portion of the natural ground E from a predetermined point 6 located at the end of the widened tunnel portion 4. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供不受地质条件影响,经济效益优良的隧道施工方法,并提供施工方法施工的隧道。 解决方案:新的隧道1包括通过加宽现有隧道3而构成的加宽隧道部分4以及从加宽的隧道部分4分支的分支隧道部分5。加宽的隧道部分4包括第一区域M,其横截面 尺寸恒定,横截面尺寸逐渐变大的第二区域N。 分支隧道部分5被构造成从加宽的隧道部分4的内部以预定角度从位于加宽的隧道部分4的端部处的预定点6朝向自然地面E的深部分布。 P>版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Method for constructing penetrating pit in existing dam body
    • 用于在现有的AM体中构造TING坑的方法
    • JP2010216125A
    • 2010-09-30
    • JP2009063255
    • 2009-03-16
    • Ohbayashi Corp株式会社大林組
    • KANAI MAKOTOTSUCHIYA KOSABUROFUJIWARA SOICHIFUJI TADAAKIISO YOSHINOBUNAGAHISA KAZUMASAIDE KAZUFUMIOKAJIMA TOYOYUKITOKUNAGA ATSUSHI
    • E02B7/00
    • PROBLEM TO BE SOLVED: To provide a method for inexpensively constructing a penetrating pit in an existing dam body in a short period.
      SOLUTION: A gate 4 is housed inside a cofferdam 1, which is composed of a shell body with an opening 1a, in such a manner as to be attachable/detachable by a fixing means 6. The cofferdam 1 is lowered in a suspended state by a crane etc.; and the opening 1a of the cofferdam 1 is arranged in the state of contact with the dam body 9. Water in the cofferdam 1 is discharged by a lifting pump etc. via a pipe 7, so that the opening 1a can be brought into close contact with the dam body 9. Subsequently, a water passage 2 passing through the dam body 9 is constructed from a downstream side; and the inside of the cofferdam 1 and the downstream side of the dam body 9 communicate with each other. The gate 4 housed in the cofferdam 1 in advance is mounted in a predetermined position in the dam body 9.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种在短时间内廉价地构建现有坝体中的穿透坑的方法。 解决方案:门4被安装在围堰1内,该围堰1由具有开口1a的壳体组成,以便通过固定装置6可附接/拆卸。围堰1下降 起重机悬挂状态等; 并且围堰1的开口部1a以与坝体9接触的状态配置。通过管道7,通过升降泵等将围堰1中的水排出,使得开口1a能够紧密接触 随后,通过坝体9的水通道2从下游侧构成; 围堰1的内侧和坝体9的下游侧相互连通。 预先安装在围堰1中的门4安装在坝体9中的预定位置。版权所有(C)2010,JPO&INPIT