UNDERGROUND COMPOSITE WALL

PROBLEM TO BE SOLVED: To provide an underground composite wall which can effectively exert the structural performance thereof. SOLUTION: The underground composite wall 10 has a reinforcing member 12 and a hardening portion 14. The reinforcing member 12 is formed of two PC plates 20 and connecting members 22 connecting between the PC plates 20 opposed to each other. Each PC plate 20 is formed of a flat plate having a predetermined thickness, and has a plurality of vertically extending main reinforcements 24 embedded therein. The main reinforcements 24 are arranged at predetermined intervals in a manner being in parallel with each other. The connecting members 22 include tie hoops 26 and connecting reinforcements 28. The hardening portion 14 is formed of hardening soil cement and filled in a gap between the mutually opposed PC plates 20 and gaps between an excavated hole 18 and the respective PC plates 20. COPYRIGHT: (C)2004,JPO&NCIPI