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    • 2. 发明专利
    • Method for manufacturing precast rc column and rc column
    • 制造预制RC柱和RC柱的方法
    • JP2009197499A
    • 2009-09-03
    • JP2008041069
    • 2008-02-22
    • Taisei Corp大成建設株式会社
    • KORENAGA TAKEYOSHIIMAI KAZUMASAKOMURO TSUTOMUKANEDA KAZUHIRO
    • E04B1/22B28B23/04E04B1/58E04C3/34
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a precast RC column in which column main reinforcements effectively resist both compression and tension without yielding to a design-basis load even if high-strength reinforcements are not employed, and effectively prevents occurrence of hazardous cracking etc. caused by self shrinkage of concrete. SOLUTION: According to the method for manufacturing the precast RC column, while first main reinforcements 11 to which tension is applied, and second main reinforcements 12 to which no stress is applied, are mixed to each other in a form, concrete is placed in the form, and thereafter the first main reinforcements 11 are released in an initial stage of the material age of the concrete, to thereby introduce prestressing to the concrete. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于制造预制RC柱的方法,其中柱主加强件有效地抵抗压缩和拉伸,而不会屈服于设计基础载荷,即使不使用高强度增强物,并且有效地防止 发生混凝土自收缩引起的危险开裂等。 解决方案:根据制造预制RC柱的方法,当施加张力的第一主加固件11和不施加应力的第二主加固件12以形式彼此混合时,混凝土是 放置在该形式中,之后在混凝土的材料年龄的初始阶段释放第一主增强件11,从而将预应力引入混凝土。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Joint structure and construction method of column and beam-less slab
    • 圆柱和无缝滑板的接头结构和结构方法
    • JP2007154565A
    • 2007-06-21
    • JP2005353260
    • 2005-12-07
    • Taisei Corp大成建設株式会社
    • KAYASHIMA MAKOTOHATTORI ATSUSHIKORENAGA TAKEYOSHIWATANABE HIDEYOSHIMURATA TSUTOMU
    • E04B5/43E04B1/21
    • PROBLEM TO BE SOLVED: To provide a joint method and construction method of a column and a slab without a beam, wherein there is no need of divisionally placing concrete according to concrete strength in the vicinity of a panel zone, so that a precedent construction can be effectively and economically carried out and furthermore a construction period can be shortened.
      SOLUTION: The joint structure, wherein a column 10 and a beam-less slab 11 connected to the column 10 for composing a floor, is composed in such a way that a recess 12 is formed around a periphery of the column 10 and the beam-less slab 11 is fitted in the recess 12 without firmly fixing a reinforcement 11a of the beam-less slab 11 to the column 10. Moreover, reinforcements 15, 17 for surrounding the column are placed in the beam-less slab 11 around the column 10.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种没有梁的柱和板坯的接合方法和施工方法,其中不需要根据混凝土强度在面板区域附近分开放置混凝土,使得 可以有效,经济地开展先例施工,缩短施工期。 解决方案:连接结构,其中连接到用于构成地板的塔10的塔10和无梁板11以使得在塔10的周边周围形成凹部12的方式构成, 无梁板11没有将无梁板11的加强件11a牢固地固定在立柱10上而嵌入凹部12中。此外,围绕柱的加强件15,17被放置在无梁板11周围 第10栏。版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Precast member
    • PRECAST会员
    • JP2007146439A
    • 2007-06-14
    • JP2005340759
    • 2005-11-25
    • Taisei Corp大成建設株式会社
    • WATANABE HIDEYOSHIKAI TAKAOKORENAGA TAKEYOSHI
    • E04C3/34E04B1/16E04B1/21
    • PROBLEM TO BE SOLVED: To provide an inexpensive precast member excellent in construction characteristics of a reinforced concrete column.
      SOLUTION: The precast member for a reinforced concrete column which has a main column reinforcement is characterized by comprising: a first linear part, one end of which is opened on the end surface of the precast member, the other end is embedded in the precast member so as to be positioned in it, which is equipped with a sheath pipe subjected to the insertion of the main column reinforcement of the concrete member connected to the precast member, and filled with a grout material, and wherein the main column reinforcement of the precast member is positioned coaxially with the sheath pipe; a second linear part which is arranged along the sheath pipe, and constitutes the main column reinforcement of the concrete member for being inserted into the sheath pipe, and a lap joint; and a bent part for connecting the first and second linear parts to each other.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种在钢筋混凝土柱的结构特性方面优异的廉价的预制构件。 解决方案:具有主柱加强件的钢筋混凝土柱的预制构件的特征在于包括:第一直线部分,其一端在预制构件的端面上开口,另一端嵌入 所述预制构件被定位在其中,所述预制构件配备有经由插入所述预制构件连接的混凝土构件的主柱加强件的护套管,并且填充有浆料材料,并且其中所述主柱加强件 的预制构件与护套管同轴地定位; 沿着护套管配置的第二直线部,构成插入护套管的混凝土构件的主柱加强件和搭接部; 以及用于将第一和第二直线部分彼此连接的弯曲部分。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Explosion prevention super strength precast concrete and method of manufacturing the same
    • 防爆超强度预制混凝土及其制造方法
    • JP2012153539A
    • 2012-08-16
    • JP2011011200
    • 2011-01-21
    • Taisei Corp大成建設株式会社
    • MICHIKOSHI SHINTAROBABA SHIGEAKISAKAMOTO SHIGEHIROJINNAI HIROSHIKUROIWA HIDESUKEKORENAGA TAKEYOSHIYAMAMOTO YOSHIKI
    • C04B28/02C04B14/48C04B16/06C04B40/02
    • Y02W30/92Y02W30/94
    • PROBLEM TO BE SOLVED: To provide a super strength precast concrete that has at least 150 N/mm2 of a compressive strength, and can prevent explosion, and a method of manufacturing the same.SOLUTION: A hardened concrete in which a fresh concrete with which synthetic resin fiber is mixed is performed with placing and demolding, is performed with high temperature history curing, then is cured by at least the temperature in which the mixed plastic fiber melts even if the concrete temperature is low in a drying furnace, the melted synthetic resin is made to be absorbed into microvoids of the concrete in the curing, thereby at least a portion of an occupancy space of the synthetic resin is changed into a cavity of a cement hardened body to manufacture a super strength precast concrete. The super strength precast concrete has a structure that has a cavity in which at least a portion of the synthetic resin fiber mixed into an inside of the concrete is melted to be absorbed into microvoids of the hardened cement body to control explosion.
    • 要解决的问题:提供具有至少150N / mm2的抗压强度并且可以防止爆炸的超强度预制混凝土及其制造方法。 解决方案:将混合有合成树脂纤维的新混凝土进行放置和脱模的硬化混凝土,在高温历史固化下进行,然后至少将混合塑料纤维熔融的温度固化 即使干燥炉中的混凝土温度低,熔融的合成树脂在固化时被吸收到混凝土的微孔中,由此使合成树脂的占用空间的至少一部分变成为 水泥硬化体制造超强度预制混凝土。 超强度预制混凝土具有这样的结构,其中混合到混凝土内部的至少一部分合成树脂纤维被熔化以被吸收到硬化水泥体的微孔中以控制爆炸。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Column structure
    • 柱结构
    • JP2011111751A
    • 2011-06-09
    • JP2009267232
    • 2009-11-25
    • Taisei Corp大成建設株式会社
    • KORENAGA TAKEYOSHIWATANABE SATOSHIIMAI KAZUMASAKOMURO TSUTOMU
    • E04B1/21E04B1/20E04B1/58E04C3/44
    • PROBLEM TO BE SOLVED: To provide a column structure capable of inexpensively constructing a column which can support a large axial force. SOLUTION: A column 10 includes a core part 11 which extends in the vertical direction and which is made of an ultrahigh-strength concrete, and an outer peripheral part 12 which is provided so as to surround the side surface of the core part 11 and made of a fireproof concrete. The outer peripheral part 12 includes twelve column main reinforcements 121 and hoop reinforcements 122 surrounding the column main reinforcements 121. The column main reinforcements 121 are not fixed to column-beam joint parts 20, 30 on the upper and lower stories. The outer peripheral part 12 is formed of the fireproof concrete, allowing the fireproof performance of the column 10 to be secured by the outer peripheral part 12. Then, the fireproof performance eliminates the need to be secured by the concrete of the core part 11. The amount of an additive can be reduced by eliminating the organic fibers of the concrete of the core part 11, allowing the column structure to be manufactured at a low cost. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供能够廉价地构造能够支撑大的轴向力的柱的柱结构。 解决方案:列10包括在垂直方向上延伸并由超高强度混凝土制成的芯部11和设置成围绕芯部的侧表面的外周部12 11,由防火混凝土制成。 外周部分12包括围绕柱主加强件121的十二列主加强件121和箍加强件122.柱主加强件121不固定到上层和下层的柱梁接头部分20,30。 外周部12由防火混凝土构成,能够通过外周部12固定立柱10的防火性能。然后,防火性能不需要由芯部11的混凝土固定。 可以通过去除芯部11的混凝土的有机纤维来降低添加剂的量,从而以低成本制造柱结构。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Reinforced concrete beam
    • 钢筋混凝土梁
    • JP2010013797A
    • 2010-01-21
    • JP2008171956
    • 2008-07-01
    • Taisei Corp大成建設株式会社
    • KAWAMOTO SHINICHIROKOMURO TSUTOMUTAKEZAKI SHINICHIKORENAGA TAKEYOSHI
    • E04C3/20E04C3/26
    • PROBLEM TO BE SOLVED: To provide a reinforced concrete beam capable of forming an opening part passing through it in the direction of width easily.
      SOLUTION: This reinforced concrete beam 1 having height being larger than width is constituted by arranging four upper end main reinforcing bars 3 in total at two upper and lower steps on an upper end side in the concrete 2, arranging four lower end main reinforcing bars 4 in total at two upper and lower steps on a lower end side in the concrete 2, winding a plurality of upper end restraint bars 5 around these four upper end main reinforcing bars 3 at an interval from each other to restrain the upper end main reinforcing bars, and winding a plurality of lower end restraint bars 6 around these four lower end main reinforcing bars 4 at an interval from each other to restrain the lower end main reinforcing bars 4.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够容易地形成沿宽度方向穿过它的开口部分的钢筋混凝土梁。 解决方案:这种具有大于宽度的高度的钢筋混凝土梁1通过在混凝土2的上端侧上设置四个上端主加强筋3,其总共设置在上下两个台阶上,四个下端主体 在混凝土2的下端侧的两个上下台阶处,总共配置有钢筋4,将多个上端部约束条5以这四个上端主加强筋3的间隔彼此间隔地卷绕,以约束上端 主要钢筋,并且围绕这四个下端主钢筋4围绕这四个下端主钢筋4缠绕多个下端约束条6以约束下端主钢筋4.版权所有(C)2010,JPO&INPIT