BRIDGE-MONITORING SYSTEM, BRIDGE-MONITORING METHOD, AND ITS PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a bridge-monitoring system which is not limited on a mounting part of a device for carrying out measurement, when measuring displacement of a bridge girder in a bridge and can measure, when movement of the bridge girder is large.;SOLUTION: The bridge-monitoring system is provided with a displacement meter in a bridge axial direction, which measures moving displacement in a bridge axial direction of more than two places between the bridge girder and an adjacent construction per combination of the bridge girder in the bridge and the construction adjacent to the bridge girder and a displacement meter in a bridge axial rectangular direction, which measures moving displacement in a bridge axial rectangular direction of more than one place of the bridge girder and the adjacent construction. Relative moving amount between the bridge girder and the construction adjacent to the bridge girder is calculated based on measured values obtained by each displacement meter. A predetermined absolute coordinate of the bridge girder is calculated based on the relative moving amount and whether or not permission for passage is determined by comparing the predetermined absolute coordinate with an original coordinate.;COPYRIGHT: (C)2007,JPO&INPIT