【摘要】 介绍天津市区桥梁荷载等级和机动车辆现状 ,论述重车过桥的危害性及加强管理的必要性 ,提示对城市桥梁进行科学管理的措施。更多还原

【Abstract】 The load classification of bridges and the present condition of motor vehicles in Tianjin urban district are introduced. The harmfulness of heavy truck passing the bridge and the necessity of strengthening the control are discussed, and some scientific control measures are advanced.更多还原