发明名称 |
STAIRCASE IN VERTICAL SHAFT AND METHOD FOR CONSTRUCTING THE SAME |
摘要 |
PROBLEM TO BE SOLVED: To enhance productivity and to reduce the period of construction work and the cost of construction work. SOLUTION: A plurality of unit cylindrical bodies 1 fabricated in a factory or workshop outside a vertical shaft and made of concrete, having about equal cross-sectional shapes and each having a plurality of first joint parts and a plurality of second joint parts located respectively on its upper and lower end faces, are piled up on a base 80 provided in the bottom of the vertical shaft, in such a manner that hollow parts continue with one another. The two vertically overlapping unit cylindrical bodies 1, 1 are coupled together by the first joint part of the lower unit cylindrical body 1 and the second joint part of the upper unit cylindrical body 1.
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申请公布号 |
JP2001003676(A) |
申请公布日期 |
2001.01.09 |
申请号 |
JP19990177821 |
申请日期 |
1999.06.24 |
申请人 |
KUMAGAI GUMI CO LTD;GEOSTR CORP |
发明人 |
KANEDA NORIO;TAKEBE RYUICHI;MATSUDA KAZUSHIGE;KITAYAMA HIROYASU;TAKAMATSU YOSHINORI;HOSHINA NORIKO |
分类号 |
E21D7/00;(IPC1-7):E21D7/00 |
主分类号 |
E21D7/00 |
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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