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    • 58. 发明专利
    • CONCRETE DOOR
    • JPH05332071A
    • 1993-12-14
    • JP14269792
    • 1992-06-03
    • KAJIMA CORP
    • KOBAYASHI MIKIOWATANABE SHIGEO
    • E06B3/18E06B3/70E06B5/16
    • PURPOSE:To improve the process ability and to provide a concrete wall which has a high strength and a large size and which is lightweight, by placing fiber- reinforced concrete as a mother material in Which staple reinforcement such as carbon fibers is mixed, in a form so as to mold a decorative door. CONSTITUTION:Fiber reinforced concrete 2 in which staples formed of carbon fibers are mixed in sand/cement slurry, is used as a mother material so that a decorative door is molded in a form. During this period, fiber-reinforced plastic reinforcements 3 using coupled thread-like members as core members, formed of carbon fibers, are laid in a grid-like pattern, and relief-finishing is made with decorative tiles 4 being embedded during the molding. Further, prestress is applied to the reinforcements 3 for reinforcement as necessary. Accordingly, the durability and the flame resistance may be enhanced so as to improve the noise shield and the oscillation damping, and thereby it is possible to provide a concrete door 1 having a high aesthetic appearance.
    • 60. 发明专利
    • COMPOSITE SLAB OF PRESTRESSED CONCRETE
    • JPH04272352A
    • 1992-09-29
    • JP3300291
    • 1991-02-27
    • KAJIMA CORP
    • WATANABE SHIGEOKOBAYASHI MIKIO
    • E04B5/38E04B5/43
    • PURPOSE:To enable the workability and durability of a slab to be improved and the strength of the slab itself not to be lowered by enabling the characteris tic of fiber reinforcing structure to be sufficiently practically used. CONSTITUTION:On an upper surface for a floor form, after-placing concrete 3 is placed, and a prestressed PC plate 2 to be a composite slab 1 is projected upward by fiber reinforcing concrete 4 with short fibers mixed in, and a plurality of ribs 5 to be in the after-placing concrete 3 are integrally formed to be made thinner. Besides, continuous fibers 7 are used for prestress tie material 6 and are formed. Then, for the PC plate 2, the internal reinforcing bars of steel material and a PC steel plate are not used, and the short fibers and the continuous fibers 7 are used separately according to the characteristic, and the weight of the composite slab 1 is lightened, and the high strength and workability are secured, and rust is contrived not to be generated, and durability is secured.