SAFETY MONITORING APPARATUS FOR SCOURING PREVENTION OF WELL BOX BASIS FOR BRIDGE

摘要

A safety device for preventing the abrasion of the bridge well is provided that the elastic sinking rod is set up. A safety device for preventing the abrasion of the bridge well comprises an elastic sinking rod(20) subsiding to the lower part according to the cracking of the river bed, a fixed support frame(10) fixing and supporting the elastic sinking rod in the bridge pier(40) bottom part, and a terminal(30) which senses the risk and lets the urgency the administrator know in the urgency due to the cracking of elastic sinking rod. A coupling hole(12b) fixing the fixed support frame with a fastening bolt(12) and screw-nut(12a) is formed in the fixed support frame. The fixed support frame includes a horizontal bar(13a) extended in the outer circumference of fixing rings(11,11a) at the regular interval, and a vertical bar which is curve-cut to the outer side of well(50) in the horizontal bar leading end(13b).