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    • 2. 发明专利
    • Steel-concrete composite beam and its construction method
    • 钢 - 混凝土复合梁及其施工方法
    • JP2006169826A
    • 2006-06-29
    • JP2004364151
    • 2004-12-16
    • Kajima Corp鹿島建設株式会社
    • MIYASAKA TATSUOGIWARA YUKIMASAFUKUMOTO TOSHIYUKIFUJIMURA HIROSHITSUKAMOTO KIYOSHIYOSHIGAI SHIGERUSASAKI KATSUYASUTAKI MASAYA
    • E04B1/30E04B1/16E04C3/293E04G9/00
    • PROBLEM TO BE SOLVED: To provide a steel-concrete composite beam and its construction method attaining energy saving, cost reduction, and the like in various construction works such as steel work, form work, reinforcement work and temporary work.
      SOLUTION: The steel-concrete composite beam is formed of a steel frame section 2 located at the lower end of a beam cross section, and a reinforced concrete section 3 located on the upper side of the steel frame section 2. The steel frame section 2 is formed of a steel plate 2 continuous in the axial direction of the beam, and a plurality of studs 2b projected into the reinforced concrete section 3 from the upper face of the steel plate 2a. In construction, the steel plate 2a with the studs is laid as a bottom form, and side forms 8, 8 are arranged on both sides to form a beam form constituted in U-shape cross section opened at the upper face. Upper end main reinforcements 3a, lower end main reinforcements 3b and shear reinforcing bars 3c are arranged in reinforcing cage shape of rectangular cross section in the beam form. Concrete is then placed, and the side forms 8, 8 are removed when the concrete is hardened.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供钢铁混凝土复合梁及其施工方法,如钢铁工作,工作,加固工作和临时工等各种施工工程中节能降耗等。 钢结构复合梁由位于梁截面下端的钢框架部分2和位于钢框架部分2上侧的钢筋混凝土部分3形成。钢 框架部分2由在梁的轴向方向上连续的钢板2和从钢板2a的上表面突出到钢筋混凝土部分3中的多个螺柱2b形成。 在结构上,具有螺柱的钢板2a被放置成底部形状,并且在两侧上布置侧面形状8,8,以形成在上表面处开口的U形横截面形成的梁形。 上端主加强件3a,下端主加强件3b和剪力钢筋3c以梁形式布置成矩形截面的加强笼形。 然后放置混凝土,当混凝土硬化时,侧面8,8被去除。 版权所有(C)2006,JPO&NCIPI
    • 3. 发明专利
    • DE69225400T2
    • 1998-10-29
    • DE69225400
    • 1992-05-29
    • KAJIMA CORP
    • NISHIMURA ISAOSAKAMOTO MITSUOSASAKI KATSUYASU
    • E04H9/02E04B1/98E04H9/14F16F15/02G05D19/02
    • A vibration control device for structures, which constitutes a double action vibration absorber of positive control type by providing a driving member of a predetermined mass mb as a second added mass body relative to a first added mass body of a predetermined mass ma, in which the first added mass body is provided on the structure via a support comprising a plurality of high damping laminated rubber pieces, whereby a downward arc-like running surface (4) is formed on which the second added mass body is to be run. The weight of the first added mass body is set to 1/500 to 1/1000 of the total weight of the structure to be vibration controlled, and the weight of the second added mass body to 1/20 to 1/100 of the weight of the first added mass body. A great damping factor ha of 10 to 50 % is set for the support, and the angular frequency omega a of the first added mass body and the angular frequency omega b due to the free vibration of the second added mass body on the arc-like running surface are synchronized with the natural circular frequency omega 1, whereby a control force corresponding to the response of the structure is imparted to the driving member as a second added mass body, thereby reducing the response by the structure to earthquake or wind.
    • 9. 发明专利
    • DE69225400D1
    • 1998-06-10
    • DE69225400
    • 1992-05-29
    • KAJIMA CORP
    • NISHIMURA ISAOSAKAMOTO MITSUOSASAKI KATSUYASU
    • E04H9/02E04B1/98E04H9/14F16F15/02G05D19/02
    • A vibration control device for structures, which constitutes a double action vibration absorber of positive control type by providing a driving member of a predetermined mass mb as a second added mass body relative to a first added mass body of a predetermined mass ma, in which the first added mass body is provided on the structure via a support comprising a plurality of high damping laminated rubber pieces, whereby a downward arc-like running surface (4) is formed on which the second added mass body is to be run. The weight of the first added mass body is set to 1/500 to 1/1000 of the total weight of the structure to be vibration controlled, and the weight of the second added mass body to 1/20 to 1/100 of the weight of the first added mass body. A great damping factor ha of 10 to 50 % is set for the support, and the angular frequency omega a of the first added mass body and the angular frequency omega b due to the free vibration of the second added mass body on the arc-like running surface are synchronized with the natural circular frequency omega 1, whereby a control force corresponding to the response of the structure is imparted to the driving member as a second added mass body, thereby reducing the response by the structure to earthquake or wind.