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    • 93. 发明专利
    • WALL TYPE PRECAST CONCRETE MULTISTORIED BUILDING
    • JPH03212541A
    • 1991-09-18
    • JP689190
    • 1990-01-16
    • FUDO KENKEN KK
    • TAKEDA SEIJIKOMURA MASAO
    • E04B2/56
    • PURPOSE:To increase precasting rate, improve girder directional frame deforming performance, and certainly absorb the input at the time of an earthquake by bonding only the upper end parts of adjacent girder directional PC wall plates of a wall type construction to each other through a shearing force transmitting mechanism, and making a wall pillar into twin pillar. CONSTITUTION:The pillar parts 3, 3 of adjacent girder directional PC wall plates 1, 1 are bonded as a crossing part with span directional PC wall plates 18 to form the joint part into a wall pillar 5 of twin pillar. The joint parts 8 of panel parts 6 in which the pillar parts 3 and beam parts 4 of the adjacent girder directional PC wall plates 1 are bonded are connected to each other through a shearing force transmitting mechanism. In this shearing force transmitting mechanism, a PC steel bar or reinforcement is used. To help the work of the shearing force transmitting mechanism, a plurality of joint steel frames are disposed in the joint part. Bonding concrete is placed in the joint part 8 of the adjacent girder directional PC wall plates 1, 1 and a space 15 under the joint part 8 simultaneously with the concrete placing in a floor part 17.
    • 95. 发明专利
    • METHOD OF CONSTRUCTING FLOOR AND PRECAST CONCRETE FLOOR BOARD
    • JPS6483750A
    • 1989-03-29
    • JP24152687
    • 1987-09-25
    • FUDO KENKEN KK
    • TAKEDA SEIJI
    • E04B5/48E04B5/38E04B5/43E04C5/02E04F15/024E04F15/18
    • PURPOSE: To simplify OA floor construction work by forming a reinforced concrete layer on a floor board having a plurality of ribs projected longitudinally from its upper surface, in such a manner that the top faces of the ribs coincide with the bottom face of the reinforced concrete layer. CONSTITUTION: A precast concrete floor board 1, which is provided with a plurality of ribs 2 projected longitudinally from the upper surface thereof and extending from the center portion thereof to positions inward of appropriate lengths from both ends, is extended between beams. A reinforced concrete layer 8 having an appropriate thickness is formed on the floor board 1 while the top faces of the ribs 2 coincide with the bottom face of the reinforced concrete layer 8. The floor board 1 and the reinforced concrete layer 8 are integrated together by means of joint reinforcement 3 previously buried in the ribs 2. Thus, since dead load during construction is supported by the floor board 1 and live load after construction is supported by a composite floor board comprising the floor board 1 and the reinforced concrete layer 8, an OA floor can be constructed efficiently and easily.