DAMPER OF PC OUTSIDE CABLE IN PC BRIDGE

摘要

PROBLEM TO BE SOLVED: To provide a damper of a PC outside cable capable of solving various problems resulting from vibration of the PC outside cable by controlling the vibration of the PC outside cable in the PC bridge, that is, a problem having the occurrence of a noise like a groaning sound of low frequency or a problem having a shake remained in a bridge girder by the vibration of the PC outside cable and such a problem that the vibration of the PC outside cable has a bad influence on the PC outside cable and durability of a bridge. SOLUTION: The damper 20 of the PC outside cable 16 is constituted by including a housing 32, a mass member 36 provided inside of the housing 32 in a free movement state, a vibration controlling body 22 having a free space S1 and an elastic body 38 and a coil spring 24 acting on the vibration controlling body 22 by amplifying vibration acceleration of the PC outside cable 16. COPYRIGHT: (C)2006,JPO&NCIPI