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    • 2. 发明专利
    • Method for designing fiber reinforced ferroconcrete segment
    • 用于设计纤维加强法兰分段的方法
    • JP2011252364A
    • 2011-12-15
    • JP2010128513
    • 2010-06-04
    • Taisei Corp大成建設株式会社
    • HATTORI YOSHIFUMIMARUYA TAKESHIFUKUURA NAOYUKIHORIGUCHI KENICHIMIOKE TATSUO
    • E21D11/08
    • PROBLEM TO BE SOLVED: To provide a method for designing a segment through adequate assessment of material properties of a fiber reinforced concrete.SOLUTION: A method for designing a fiber reinforced ferroconcrete segment comprises employing a stress-strain curve A as stress-strain curve of a fiber reinforced concrete in a tensile region in a step of calculating stress intensities of the fiber reinforced concrete and the steel bar at the main cross section of the segment, which exhibits relations that tensile stress increases with increasing strain in a first region A1 from no strain to a crack-generating strain, that tensile stress decreases with increasing strain in a second region A2 from the crack-generating strain to a yield strain of the tensile steel bar, and that tensile stress is kept constant in a third region A3 from the yield strain to a limit strain of the tensile steel bar.
    • 要解决的问题:提供通过充分评估纤维增强混凝土的材料性能来设计节段的方法。 解决方案:一种纤维增强钢筋混凝土段的设计方法,包括应力 - 应变曲线A作为拉伸区域中纤维增强混凝土的应力 - 应变曲线,在计算纤维增强混凝土的应力强度的步骤中 在第一区域A1中从拉伸应力增加到拉伸应力随着应变增加而呈现拉伸应力随着应变的增加而随着应变的增加而在第二区域A2中从拉伸应变 裂纹产生应变到拉伸钢筋的屈服应变,并且拉伸应力在第三区域A3中从屈服应变保持恒定到拉伸钢筋的极限应变。 版权所有(C)2012,JPO&INPIT
    • 3. 发明专利
    • Shearing reinforcing method of existing structure
    • 现有结构的剪切加固方法
    • JP2006016893A
    • 2006-01-19
    • JP2004197177
    • 2004-07-02
    • Taisei Corp大成建設株式会社
    • FUKUURA NAOYUKI
    • E04G23/02E02D37/00
    • PROBLEM TO BE SOLVED: To provide a shearing reinforcing method of an existing structure capable of reinforcing shearing of a constituting member without thickening the member thickness of the constituting member of the existing structure by a simple method.
      SOLUTION: This shearing reinforcing method of the existing structure is composed of a hole drilling process of forming a hole drilling part 2 of the predetermined length in the member thickness direction or the substantially member thickness direction of the constituting member 1 of the existing structure, a tension member installing process of filling a filler 31 in the hole drilling part 2 and inserting a tension member 4 such as a PC steel wire and a PC steel bar, and a tensional force introducing process of installing at least an anchor plate 5 in the vicinity of the rear end in the inserting direction among the tension member 4 by introducing tensional force to the tension member 4 after hardening the filler 31. Here, an expanded hole drilling part 8 is arranged in a hole drilling tip part of the hole drilling part 2, and a projecting member 7 provided on the tip of the tension member 4 is put in a state of being embedded in the expanded hole drilling part 8.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够通过简单的方法增强构成部件的剪切的现有结构的剪切加强方法而不使现有结构的构件的构件厚度增厚。 解决方案:现有结构的剪切加固方法由在现有的构件的构件1的构件厚度方向或大致构件厚度方向上形成预定长度的钻孔部2的孔钻工艺 结构,在孔钻部2中填充填料31并插入诸如PC钢丝和PC钢棒的张紧构件4的张紧构件安装过程和至少安装锚板5的张力引导过程 在张紧构件4的插入方向的后端附近,通过在加热填充剂31硬化之后向张力构件4引入张力。这里,扩孔钻孔部8布置在孔的钻孔尖端部 钻孔部分2和设置在张紧构件4的尖端上的突出构件7被置于嵌入到扩孔钻孔部分8中的状态。版权所有(C)2 006,JPO&NCIPI
    • 4. 发明专利
    • Shear reinforcement method
    • 剪切加固方法
    • JP2014101674A
    • 2014-06-05
    • JP2012253937
    • 2012-11-20
    • Taisei Corp大成建設株式会社Seiwa Renewal Works Co Ltd成和リニューアルワークス株式会社
    • KAWAMURA KEISUKEFUKUURA NAOYUKIOKAMOTO SUSUMU
    • E04G23/02E01D1/00E01D22/00E04C5/18
    • PROBLEM TO BE SOLVED: To provide a shear reinforcement method which can be performed even when a working space is narrow.SOLUTION: The shear reinforcement method is a method for increasing shear capacity of an existing reinforced concrete structure. The method comprises steps of; drilling a plate-shaped insertion hole 2 in a RC wall 1; inserting a shear reinforcement material 3 having flexibility and a plate shape into the insertion hole; and filling the insertion hole with a filler 4, which can be conducted before or after the step of inserting the shear reinforcement material. Here, the shear reinforcement material can have such a structure as to have a fixing portion 3a which is formed at at least one end in a depth direction of the insertion hole so as to protrude toward an out-of-plane direction.
    • 要解决的问题:提供即使在工作空间窄的情况下也可以进行的剪切加固方法。解决方案:剪切加固方法是提高现有钢筋混凝土结构的剪切能力的方法。 该方法包括以下步骤: 在RC壁1上钻一个板状插孔2; 将具有柔性和板状的剪切增强材料3插入到插入孔中; 并用填充物4填充插入孔,填料4可以在插入剪切增强材料的步骤之前或之后进行。 这里,剪切增强材料可以具有这样的结构:具有固定部分3a,该固定部分3a形成在插入孔的深度方向上的至少一个端部上,以朝向面外方向突出。
    • 5. 发明专利
    • Concrete member
    • 混凝土会员
    • JP2010018990A
    • 2010-01-28
    • JP2008179903
    • 2008-07-10
    • Taisei Corp大成建設株式会社
    • FUKUURA NAOYUKI
    • E21D11/08B28B23/00
    • PROBLEM TO BE SOLVED: To provide a concrete member which is made of fiber-reinforced concrete, and can sufficiently exert bridging function thereof even if the member thickness is increased. SOLUTION: The concrete member 1 is formed by laminating a plurality of fiber-reinforced concrete slab members 2, 2 in a member thickness direction. Herein, both the fiber-reinforced concrete slab members 2 adjacent to each other are linked together via rod members 3 embedded in both of the fiber-reinforced concrete slab members 2, 2, and a lubricant layer 4 is interposed between the fiber-reinforced concrete slab members 2, 2. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种由纤维增强混凝土制成的混凝土构件,并且即使构件厚度增加也可以充分发挥桥接功能。 解决方案:混凝土构件1通过在构件厚度方向上层叠多根纤维强化混凝土板坯构件2,2而形成。 这里,彼此相邻的纤维增强混凝土板坯构件2通过嵌入在两个纤维增强混凝土板坯构件2,2中的杆构件3连接在一起,并且在纤维增强混凝土之间插入润滑剂层4 平板成员2,2.版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Connection structure and construction method of multiple circular arc shaped tunnel
    • 多圆弧形隧道的连接结构与构造方法
    • JP2008095473A
    • 2008-04-24
    • JP2006281642
    • 2006-10-16
    • Taisei Corp大成建設株式会社
    • FUKUDA TAKAMASAFUKUURA NAOYUKI
    • E21D11/04
    • PROBLEM TO BE SOLVED: To provide connection structure and a construction method of a multiple circular arc shaped tunnel having high connection strength between tunnels and joint skeletons while forming the multiple circular arc shaped tunnel of economical cross section.
      SOLUTION: The multiple circular arc shaped tunnel 10 of at least triple comprises the tunnels 1, 2 provided side by side, and the joint skeletons 3, 4 connecting both tunnels 1, 2. In the connection structure of the tunnels and joint skeletons, part of steel shells S which are steel segments constituting the tunnels 1, 2, and the joint skeletons 3, 4 of reinforced concrete construction, are connected through steel joint pieces 5, 5 extended along the circular arcs of the joint skeletons 3, 4.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供在具有经济横截面的多圆弧形隧道的同时,在隧道和关节骨架之间具有高连接强度的多圆弧形隧道的连接结构和施工方法。 解决方案:至少三重的多圆弧形隧道10包括并排设置的隧道1,2和连接两个隧道1,2的接合骨架3,4,在隧道和接头的连接结构 骨架,作为构成隧道1,2的钢段的钢壳S的一部分和钢筋混凝土结构的接合骨架3,4通过沿着接合骨架3的圆弧延伸的钢结合件5,5相连接, 4.版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Method and apparatus for manufacturing hollow concrete body
    • 用于制造中空混凝土体的方法和装置
    • JP2005224984A
    • 2005-08-25
    • JP2004033502
    • 2004-02-10
    • Taisei Corp大成建設株式会社
    • FUKUURA NAOYUKITANAKA YOSHIHIRO
    • B28B7/38B28B21/86
    • PROBLEM TO BE SOLVED: To provide a hollow concrete body manufacturing apparatus constituted so as not only to facilitate the demolding of an inner form but also not to restrict the self-shrinkage of a cementitious material, and a hollow concrete body manufacturing method.
      SOLUTION: The inner form 2 is constituted of an elongated core material 21, the flexible cylindrical body 22 for surrounding the core material 21, the lubricant 24 applied to the surface of the flexible cylindrical body 22 and the film 23 provided on the surface of the flexible cylindrical body 22 through the lubricant 24. The hollow concrete body manufacturing apparatus 1 is constituted by placing the inner form 2 and an outer form 3 on a form stand 4.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种空心混凝土体制造装置,其不仅有利于内部形式的脱模,而且不限制水泥质材料的自收缩,而且中空混凝土体的制造方法 。 解决方案:内部形式2由细长的芯材21,用于包围芯材21的柔性圆柱形主体22,施加到柔性圆柱形主体22的表面的润滑剂24和设置在该芯材21上的薄膜23构成。 柔性圆筒体22的表面经由润滑剂24而成。中空混凝土体制造装置1通过将内模2和外模3放置在模架4上而构成。版权所有(C)2005,JPO&NCIPI
    • 9. 发明专利
    • Reinforcing bar arrangement structure
    • 加强棒布置结构
    • JP2013217125A
    • 2013-10-24
    • JP2012089783
    • 2012-04-11
    • Taisei Corp大成建設株式会社
    • FUKAWA TORUFUKUURA NAOYUKIMURATA HIROSHIKAWAMURA KEISUKEUCHIDA SATOSHI
    • E04C5/18
    • PROBLEM TO BE SOLVED: To provide a reinforcing bar arrangement structure which allows reinforcing bars to be arranged without receiving limitation on arrangement cause by positional relationship between the reinforcing bars, and can effectively enhance deformability of a plastic hinge part.SOLUTION: A reinforcing bar arrangement structure 1 comprises: a reinforcing bar 2 in the axial direction; a distributing bar 3 having hooks formed in both ends; a socket 4 formed in a spiral manner; and a U-shaped reinforcing bar having hooks formed in both ends. The reinforcing bar 2 in the axial direction, the hook of the distributing bar 3 and the hook of the U-shaped reinforcing bar are inserted into the socket 4.
    • 要解决的问题:提供一种钢筋布置结构,其允许在不受到钢筋之间的位置关系的限制的情况下布置钢筋,并且可以有效地增强塑料铰链部件的变形能力。解决方案:钢筋布置 结构1包括:沿轴向的钢筋2; 具有形成在两端的钩的分配杆3; 以螺旋方式形成的插座4; 以及在两端形成有钩的U形钢筋。 钢筋2在轴向上,分配杆3的钩和U形钢筋的钩被插入到插座4中。
    • 10. 发明专利
    • Bar arrangement structure
    • BAR布置结构
    • JP2013213344A
    • 2013-10-17
    • JP2012083997
    • 2012-04-02
    • Taisei Corp大成建設株式会社
    • FUKUURA NAOYUKIFUKAWA TORUMURATA HIROSHIKAWAMURA KEISUKEUCHIDA SATOSHI
    • E04C5/18
    • PROBLEM TO BE SOLVED: To provide a bar arrangement structure that can be simplified and can also restrain the bulging of a main reinforcing bar.SOLUTION: A bar arrangement structure 1 includes a main reinforcing bar 20 and a distributing bar 30 arranged in a concrete member C, and a bulging restraining member 10 arranged inside the main reinforcing bar 20 and the distributing bar 30. The bulging restraining member 10 includes a frame part 12 arranged at an interval from the main reinforcing bar 20 and the distributing bar 30, and an engaging part 11 whose one end is engaged with the distributing bar 30 and the other end is fixed to the frame part 12.
    • 要解决的问题:提供一种可以被简化的杆排列结构,并且也可以限制主钢筋的膨胀。解决方案:杆装置结构1包括主钢筋20和布置在混凝土构件中的分配杆30 C,以及布置在主钢筋20和分配杆30内的凸出限制构件10.膨胀限制构件10包括:与主钢筋20和分配杆30间隔设置的框架部分12, 其一端与分配杆30接合并且另一端固定到框架部分12的部分11。