论文部分内容阅读
目前北京市的桥面伸缩缝都有不同程度的损坏,有的桥面伸缩缝损坏严重以至影响行车安全,不得不采取抢修措施(见照片
At present, Beijing bridge deck joints have varying degrees of damage, and some of the bridge expansion joints serious damage and even affect traffic safety, had to take repair measures (see photo