FINGER PLATE TYPE EXPANSION JOINT FOR BRIDGE

摘要

A finger plate type expansion joint device for a bridge is provided to prevent the cracking and desquamation of the concrete by absorbing the impact and vibration. A finger plate type expansion joint device for a bridge comprises finger plates(110,130), an elastic concrete(150) and a sticky anchor bolt(170). The finger plate is installed at the joint between the upper plates of the bridge. The finger plate is made of FRP and a leading end side finger(131) of the finger plate goes in gear. The elastic concrete is positioned in the bottom of the finger plate. The anchor bolt joins the finger plate to the elastic concrete. A drainpipe(190) is installed at an edge of the bottom where the elastic concrete is positioned.