A MILITARY DISAPPROVAL FACILITIES FOR ROAD AND TUNNEL

摘要

PURPOSE: A military disapproval facility for a road and a tunnel is provided to improve security by temporarily ascending and descending a blocking wall. CONSTITUTION: A military disapproval facility for a road and a tunnel comprises two supporting structures(11,12), a blocking wall(13), blocking wall opening/closing devices, and a driving device. Guide grooves(11a) of a C-shape are formed in the supporting structures. The supporting structures are vertically installed in both edges of a road(50) so that the guide grooves are faced. The road is opened or closed by moving the blocking wall up and down. The blocking wall opening/closing devices are installed in the bottom of both ends of the blocking wall, and opens and closes the blocking wall. The driving device powers the blocking wall opening/closing devices.