Circulating water prepressing device for bridge support

The utility model relates to a circulating water prepressing device for a bridge support, which comprises a plurality of water reservoirs uniformly distributed on a construction platform; the water valve is mounted at the bottom end of the water storage device and used for discharging circulating water in the water storage tank; the connecting pipes are used for communicating the adjacent water storage tanks and are detachably connected with the water storage tanks; and the circulating water mechanism communicates with the connecting pipe and is used for supplying circulating water into the connecting pipe. The device has the effect of improving the accuracy of the support pre-pressing experiment. 本申请涉及一种桥梁支架用循环水预压装置，其包括储水器，多个，均匀布设于施工平台上；水阀，安装于储水器底端，用于供储水箱内循环水排出；连接管，多根，用于连通相邻储水箱，与储水箱可拆卸连接；循环水机构，与连接管连通，用于向连接管内供循环水。本申请具有提高支架预压实验的准确性的效果。