MEMBER FOR PREVENTING FLOATING OF CAISSON, AND INSTALLATION METHOD FOR THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a member for preventing floating of a caisson, which can fix the caisson in the ground against groundwater buoyancy acting on the caisson sunk in the ground, and an installation method for the member.SOLUTION: A floating prevention member 10 includes a support member 26 which is fixed to a communication part 41 provided in a side wall 18 of a caisson 12 and making an inside and an outside communicate with each other and which has a hole part 28, and a load transfer member 44 which has a base end-side joint 44b supported on the hole part of the support member and which has a tip side protruded into the soil on the outside of the side wall.