PROBLEM TO BE SOLVED: To reduce a load acting on a portion joined to an auxiliary member, when the reinforcement cage is erected.;SOLUTION: Vertical reinforcements 30 are prefixed to a plurality of steel plates 21 of a reinforcing member 20 which is composed of a vertical member 22 elongated in a vertical direction and the plurality of steel plates 21 attached to the vertical member 22 in such a manner as to be horizontally elongated at vertical spacings, respectively; and the reinforcement cage 10 is lifted via the vertical member 22 of the reinforcing member 20.;COPYRIGHT: (C)2010,JPO&INPIT
展开▼
