| 摘要 |
PROBLEM TO BE SOLVED: To provide a pressure receiving member and a pressure receiving member with a cable body such that easy installation of a collapse detection system is possible.SOLUTION: In a pressure receiving member 27 for a system that detects collapse of sediment by using an optical fiber cable 16, the pressure receiving member 27 is formed integrally by a pressure receiving main body portion in which a receiving surface for receiving flow of collapsed sediment and an engage portion that engages with a cable body 26 suspended from the optical fiber cable, and moves following the sediment received by the receiving surface at the time of sediment collapse. |
