CONCRETE ROOF CONSTRUCTION METHOD FOR CONCRETE TANK

申请公布号：JP2000248774(A)

申请号：JP19990051797

申请日期：1999.02.26

申请公布日期：2000.09.12

申请人：

ISHIKAWAJIMA HARIMA HEAVY IND CO LTD;KAJIMA CORP;TOKYO GAS CO LTD

发明人：NAKAMURA HIDEAKI;SUZUKI HIDENORI;NOSE YOSHIHIRO;OGAWA TOMOYUKI;SHAMOTO YOSHIAKI;TSUNAKAWA HIROFUMI;FUKADA ATSUHIRO;NAKANO MASABUMI;HIROYA AKIRA;KAWAMURA YOSHINORI;MIYAZAKI SHINICHI;KUNO YASUSHI

分类号：E04H7/18;(IPC1-7):E04H7/18

主分类号：E04H7/18

摘要：PROBLEM TO BE SOLVED: To eliminate work required for disassembling and withdrawing a scaffold. SOLUTION: Air raising is applied to a steel roof 6 formed in a tank mainbody 1 consisting of a bottom concrete 2 and a side wall concrete 3. Concrete 9 is placed in sections 8a, 8b, 8c concentrically arranged on the steel roof 6 in sequence from the outer periphery side to the center side and hardened to form a lower concrete layer 10a. Then, an upper concrete layer 10b is formed on the lower concrete layer 10a in the same process to make up a concrete roof 5a. The concrete 9 is placed in distribution to each of the concrete layers 10a, 10b and to each of the concentrical sections 8a, 8b, 8c, so that the application of great unbalanced load to the steel roof 6 at a time is prevented.

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