发明名称 |
PRECAST CONCRETE STAIRCASE AND CONSTRUCTION METHOD THEREOF |
摘要 |
PURPOSE:To enable conveyance and assembly of a precast concrete staircase even in a narrow and untended road or a narrow construction site. CONSTITUTION:Treadboards 3 and 4 are built up on both sides of a middle wall material 2 projecting main reinforcing bars 2a from the upper surface thereof, and a precast concrete staircase 1 is borne on a beam member 5 projecting the treadboards 3 and 4 to both sides of the middle wall material 2. Wide flange shapes are fitted in fitting grooves 6 on both sides of the middle wall material 2, and the earn member 5 is fixed by sealant 6a filled in the upper and lower parts thereof and grout 6b pumped into the fitting grooves 6. |
申请公布号 |
JPH06146520(A) |
申请公布日期 |
1994.05.27 |
申请号 |
JP19920299648 |
申请日期 |
1992.11.10 |
申请人 |
OOKI KENSETSU KK;NIPPON KAISER KK |
发明人 |
MATSUZAKI YASUHIRO;IMAZU YOSHIAKI;HORI YOSHITAKA;NAKAMURA YUKIO;OGAWA MASA;NAITO MASAYOSHI;TAKEI KAZUO;YUKI SHUNJI;TSUBONUMA KAZUMITSU |
分类号 |
E04F11/02 |
主分类号 |
E04F11/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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