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    • 31. 发明专利
    • Reinforced column structure
    • 加强柱结构
    • JP2005146601A
    • 2005-06-09
    • JP2003383974
    • 2003-11-13
    • Taisei Corp大成建設株式会社
    • WATANABE HIDEYOSHIIMAI KAZUMASAKORENAGA TAKEYOSHI
    • E04B1/16E04C3/34
    • PROBLEM TO BE SOLVED: To provide a reinforced column (RC column) structure which can prevent crushing/separation of cover concrete, and contributes to reduction of material costs.
      SOLUTION: According to the RC column structure, cover concrete 3a arranged at a lower end of the RC column 10 is formed of a PCa cylinder body 30 made of super-high-strength high-tenacity concrete, and cover concrete 3b arranged over an area other than the lower end is made of super-high-strength concrete and formed in one body with core concrete 4. Thus only the cover concrete 3a at the lower end of the RC column 10, at which the cover concrete 3 is susceptible to crushing/separation at the time of an earthquake or the like, is made of the super-high-strength high-tenacity concrete.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供可以防止混凝土的破碎/分离的增强柱(RC柱)结构,并且有助于降低材料成本。

      解决方案:根据RC柱结构,布置在RC塔10下端的覆盖混凝土3a由超高强度高强度混凝土制成的PCa筒体30形成,并且覆盖混凝土3b布置 在下端以外的区域由超高强度混凝土制成,并且与芯混凝土4一体地形成。因此,仅在RC塔10的下端处的覆盖混凝土3a,其中覆盖混凝土3 在地震等时容易破碎/分离,由超高强度高强度混凝土制成。 版权所有(C)2005,JPO&NCIPI

    • 33. 发明专利
    • Concrete structure
    • 混凝土结构
    • JP2014084621A
    • 2014-05-12
    • JP2012233741
    • 2012-10-23
    • Taisei Corp大成建設株式会社
    • YAMAMOTO YOSHIKIMORIYAMA KISHIHIKOKORENAGA TAKEYOSHI
    • E04C5/10E04B1/22E04G21/12
    • PROBLEM TO BE SOLVED: To provide a rational concrete structure taking a cost into account.SOLUTION: A concrete structure 1 comprises: a concrete member 10; a sheath pipe 20 embedded in the concrete member 10; a wire rod inserted into the sheath pipe 20; and an injection material 40 injected into a gap between the sheath pipe 20 and the wire rod. The injection material 40 is made up of a first injection material 41 injected into the sheath pipe 20 in a first region 11 of the concrete member 10 and a second injection material 42 injected into the sheath pipe 20 in a second region 12 which is a region of the concrete member 10 other than the first region. The first injection member 41 has strength higher than the second injection member 42.
    • 要解决的问题:提供考虑成本的合理的混凝土结构。解决方案:混凝土结构1包括:混凝土构件10; 嵌入混凝土构件10中的护套管20; 插入鞘管20中的线材; 以及注入到护套管20和线材之间的间隙中的注入材料40。 注入材料40由在混凝土构件10的第一区域11中注入到护套管20中的第一注入材料41和在作为区域的第二区域12注入护套管20的第二注入材料42构成 的第一区域以外的混凝土构件10。 第一注射构件41的强度高于第二注射构件42。
    • 34. 发明专利
    • Shear reinforcement structure of beam and pre-stressed concrete beam provided with the same
    • 梁和预应力混凝土梁的剪切加固结构
    • JP2013155604A
    • 2013-08-15
    • JP2013108539
    • 2013-05-23
    • Taisei Corp大成建設株式会社
    • KORENAGA TAKEYOSHITAKEZAKI SHINICHIKOMURO TSUTOMUKAWAMOTO SHINICHIROKAI TAKAOINADA HIROBUMI
    • E04C3/36
    • PROBLEM TO BE SOLVED: To provide a shear reinforcement structure of a beam, capable of miniaturizing the size and weight of the beam, and a pre-stressed concrete beam provided with the same.SOLUTION: In a pre-stressed concrete beam, a precast pretension member including a span central part of the beam and a precast RC member joined to at least one end of the pretension member are pressed and joined together by tendons disposed in an upper portion and a lower portion of each of the members. The upper portion of each of the pretension member and the RC member is provided with a plurality of upper side main bars embedded in a plurality of rows and in a plurality of stages; the lower portion of each of the pretension member and the RC member is provided with a plurality of lower side main bars embedded in a plurality of rows and in a plurality of stages; the periphery of the upper side main bars is provided with a plurality of upper side restriction bars arranged at equal intervals in an axial direction and worked to be annular to restrict the upper side main bars; and the periphery of the lower side main bars is provided with a plurality of lower side restriction bars arranged at equal intervals in an axial direction and worked to be annular to restrict the lower side main bars.
    • 要解决的问题:提供能够使梁的尺寸和重量小型化的梁的剪切增强结构以及设置有梁的预应力混凝土梁。解决方案:在预应力混凝土梁中,预制 包括梁的跨度中心部分的预张紧构件和连接到预紧构件的至少一端的预制RC构件通过设置在每个构件的上部和下部中的筋被按压并连接在一起。 每个预紧构件和RC构件的上部设置有多个嵌入多行和多级的上侧主杆; 每个预紧构件和RC构件的下部设置有多个嵌入多行和多级的下侧主杆; 上侧主杆的周边设置有沿轴向等间隔布置的多个上侧限制杆,并加工成环形以限制上侧主杆; 并且下侧主杆的周边设置有沿轴向等间隔布置的多个下侧限制杆,并被加工成环形以限制下侧主杆。
    • 36. 发明专利
    • Manufacturing method for concrete member, and concrete member
    • 混凝土构件和混凝土构件的制造方法
    • JP2013060313A
    • 2013-04-04
    • JP2011198012
    • 2011-09-12
    • Taisei Corp大成建設株式会社
    • KATO MASAKIMICHIKOSHI SHINTAROSAKAMOTO SHIGEHIROKORENAGA TAKEYOSHI
    • C04B28/02C04B16/06C04B40/02
    • PROBLEM TO BE SOLVED: To provide a method for a concrete member which is capable of formation of high quality concrete member with simple and low cost, and the concrete member.SOLUTION: The manufacturing method for the concrete member 1 includes a casting step which casts a high strength concrete containing a plastic fiber in a casting case, a casting case curing step which forms a concrete hardened body 2 by curing the high strength concrete in the casting case, a first curing step which cures the concrete hardened body 2 at a higher temperature than room temperature, and a second curing step which treats it with drying and heating cure after the first curing step. In the second curing step, the water in a surface part 21 of the concrete hardened body 2 is removed, and the plastic fiber contained in the surface part 21 is melted.
    • 要解决的问题:提供能够以简单且低成本形成高质量混凝土构件的混凝土构件的方法和混凝土构件。 解决方案:混凝土构件1的制造方法包括铸造步骤,其在铸造壳体中浇铸含有塑料纤维的高强度混凝土,浇铸壳固化步骤,其通过固化高强度混凝土形成混凝土硬化体2 在铸造壳体中,第一固化步骤在比室温更高的温度下固化混凝土硬化体2,以及第二固化步骤,其在第一固化步骤之后进行干燥和加热固化。 在第二固化步骤中,去除混凝土硬化体2的表面部分21中的水,并且包含在表面部分21中的塑性纤维熔化。 版权所有(C)2013,JPO&INPIT
    • 37. 发明专利
    • Reinforced concrete wall column
    • 加固混凝土墙
    • JP2013057174A
    • 2013-03-28
    • JP2011194685
    • 2011-09-07
    • Taisei Corp大成建設株式会社
    • KORENAGA TAKEYOSHISUGIYAMA TOMOAKIKOMURO TSUTOMUFUJIYAMA JUNJIIMAZU YUKO
    • E04C3/34E04B1/16E04B2/84E04C5/18
    • PROBLEM TO BE SOLVED: To provide a reinforced concrete wall column having high quality and excellent structural performance.SOLUTION: A reinforced concrete wall column 1 includes a plurality of narrow diameter column main reinforcement bars 11, 11,... arranged in two lines along a long side direction and a large diameter column main reinforcement bar 12 arranged at an end part in the long side direction. The large diameter column main reinforcement bar 12 is arranged between the narrow diameter column main reinforcement bars 11 and 11 adjacent to each other in a short side direction and also between the narrow diameter column main reinforcement bars 11 and 11 adjacent to each other in the long side direction, and reinforcement joints of the large diameter column main reinforcement bars 12 are joined with each other by a mechanical joint or a pressure-welding joint.
    • 要解决的问题:提供具有高质量和优异结构性能的钢筋混凝土墙柱。 解决方案:钢筋混凝土墙柱1包括沿着长边方向布置成两条直线的多个窄直径的柱主加强筋11,11,和排列在一端的大直径柱主加强杆12 部分在长方向。 大直径列主加强筋12布置在短边方向上彼此相邻的窄直径列主加强筋11和11之间,并且在长条形的彼此相邻的窄直径列主加强条11和11之间布置 侧面方向,大直径柱主加强筋12的加强接头通过机械接头或压接接头彼此接合。 版权所有(C)2013,JPO&INPIT
    • 38. 发明专利
    • Method for manufacturing prestressed concrete member
    • 制造预制混凝土构件的方法
    • JP2011184871A
    • 2011-09-22
    • JP2010048502
    • 2010-03-05
    • Taisei Corp大成建設株式会社
    • KORENAGA TAKEYOSHITAKEZAKI SHINICHIKAI TAKAOKOMURO TSUTOMU
    • E04C5/08E04G21/12
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a prestressed concrete member, which makes it unnecessary for an anchoring fitting to be left behind at the end of the concrete member, and which enables prestress to be easily introduced even on a construction site etc. with a limited working space.
      SOLUTION: This method for manufacturing the prestressed concrete member includes: a tensioning step of inserting a tendon 4 through an insertion hole 3 formed in the concrete member 2 and bearing plates 6 disposed on both the end surfaces of the concrete member 2, and of introducing a tensioning force into the tendon 4; a compression step of introducing the prestress into the concrete member 2 via the bearing plates 6 and 6 by releasing the tensioning force of the tendon 4; a filling step of infilling a filler 5 into the insertion hole 3; and an anchoring step of reintroducing the tensioning force into the tendon 4 after the expression of the strength of the filler 5, and of anchoring the tendon 4 by releasing the reintroduced tensioning force, so as to remove the bearing plate 6.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种制造预应力混凝土构件的方法,这使得锚固配件不必在混凝土构件的端部留在后面,并且使得即使在 施工现场等有限的工作空间。 解决方案:这种制造预应力混凝土构件的方法包括:张紧步骤,通过形成在混凝土构件2中的插入孔3和布置在混凝土构件2的两个端面上的承载板6插入腱4, 并向腱4内引入张紧力; 压缩步骤,通过释放腱4的张紧力,通过支承板6和6将预应力引入混凝土构件2; 填充步骤,将填料5填充到插入孔3中; 以及在表示填充物5的强度后将拉伸力再次引入到腱4中的锚定步骤,以及通过释放再引入的张紧力来锚定腱4,以便移除支承板6。 :(C)2011,JPO&INPIT
    • 39. 发明专利
    • Prestressed concrete beam
    • 预制混凝土梁
    • JP2011089268A
    • 2011-05-06
    • JP2009241681
    • 2009-10-20
    • Taisei Corp大成建設株式会社
    • KORENAGA TAKEYOSHITAKEZAKI SHINICHIKOMURO TSUTOMUKAWAMOTO SHINICHIROKAI TAKAOINADA HIROFUMI
    • E04C3/10E04B1/22
    • PROBLEM TO BE SOLVED: To provide a prestressed concrete beam into which a prestressing force can be rationally introduced, while attaining a reduction in size and weight.
      SOLUTION: This prestressed concrete beam includes a pre-tensioned member 10 and a pair of RC (reinforced-concrete) members 20; and the pre-tensioned member 10 includes a plurality of central downside main reinforcements 11 which are arranged on the downside of a cross section in the direction of a material axis and pre-tensioned, and the central downside sheath pipe 12 which is arranged on the downside of the cross section in the direction of the material axis and which makes both ends of the pre-tensioned member 10 communicate with each other. The RC member 20 includes an end downside sheath pipe 22 which is arranged on the downside of the cross section along the direction of the material axis and which continues into the central downside sheath pipe 12. The pre-tensioned member 10 and the RC member 20 are pressure-bonded to each other by means of a PC cable 4 which is inserted into the central downside sheath pipe 12 and the end downside sheath pipe 22.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种可以合理引入预应力的预应力混凝土梁,同时实现尺寸和重量的减小。 解决方案:该预应力混凝土梁包括预张紧构件10和一对RC(钢筋混凝土)构件20; 并且预张紧构件10包括多个中心下侧主加强件11,其布置在材料轴线方向上的横截面的下侧并被预张紧,并且中心下侧护套管12布置在 横截面在材料轴线方向上的下侧,并且使得预张紧构件10的两端彼此连通。 RC构件20包括端部下侧护套管22,其沿着材料轴线的方向布置在横截面的下侧,并且延伸到中心下侧护套管12中。预张紧构件10和RC构件20 通过插入中央下侧护套管12和末端下侧护套管22的PC电缆4彼此压接。(C)2011年,JPO和INPIT