依托浙江象山县的象西线和沿海南线上的16 座桥的基于光纤光栅传感技术的一体化实时监测系统，在不增 加桥头称重系统等额外投资的前提下实现了对通行的重载车及其重量的识别。利用光纤光栅应变传感器采集到的高速应变 数据，通过分析能够识别重载车辆的车重及其时间、空间分布，有助于对重载车辆经过下桥梁的运行状况进行监测及评估，重 车统计记录数据也有助于制定相关桥梁养护管理措施。

Depending upon the all-in-one real-time monitor system of 16 bridges on Xiangxi and Yanhainan highways of Xiangshan County, Zhejiang Province, based on fiber grating sensing technology, the identification of running heavy duty vehicles and their weights is achieved without investing the additional weighting systems at the bridgeheads. Employing high-speed data acquired by fiber grating strain sensors, the weights, space-time distribution of heavy duty vehicles can be identified by means of physical analyses, which is useful for monitoring and evaluating the operation status of bridges with heavy duty vehicles running. The statistical records of heavy duty vehicles are also beneficial to devise relevant bridge maintenance and management measurements.