UNDERGROUND BEAM CONSTRUCTION FRAME AND UNDERGROUND BEAM CONSTRUCTION METHOD USING THE SAME

摘要

PROBLEM TO BE SOLVED: To save labor and time to considerably shorten a construction period while sharply reducing cost.;SOLUTION: This underground beam construction frame 1 is composed of a frame body 7 and reinforcement arrangement 8 provided inside. The frame body 7 comprises a pair of steel plates 2, 2 having prescribed length and U-shaped axial section, and square angles 3, 3 welded to both end parts in the lengthwise direction of the steel plates 2, 2. The pair of steel plates 2, 2 are arranged parallel with the open sides facing with a fixed space. The square angles 3, 3 are provided with holes 5 for inserting through connecting bolts 4 for connection to adjacent underground beam construction frames. The frame 1 is installed on concrete and freshly mixed concrete is placed in the frame body 7 for hardening.;COPYRIGHT: (C)2004,JPO&NCIPI