PIT MOUTH DISASTER PREVENTION EQUIPMENT FOR UNDERGROUND SPACE STRUCTURE

摘要

PROBLEM TO BE SOLVED: To offer disaster prevention equipment which can inhibit a vehicle from advancing into a structure by consistently reporting to a driver, etc. in the pit mouth of the structure when an accident such as fire occurs within an underground structure.;SOLUTION: The pit mouth disaster prevention equipment for the structure, wherein a water curtain forming means which forms a water curtain in an orientation crossing the pit mouth via at least one nozzle head arranged near the pit mouth of the structure, an accident occurrence sensing means which detects an occurrence of fire and a second accident within the structure, and a control means for operation controlling the water curtain forming means based on an accident occurrence detection signal from the accident occurrence sensing means are included, and at occurrence of the accident within the structure, the water curtain is formed in the pit mouth to inhibit advancing into the structure.;COPYRIGHT: (C)2005,JPO&NCIPI