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一、工程概况国道106线佛冈南段K2388+920杨名韶桥为1-20.0m钢筋砼中桥,全桥长38.56m,桥梁设计荷载标准为汽-20、挂-100,下部构造为重力式型U型桥台。该桥于1997年建成通车,至今已使用了了十多年,随着佛冈社会经济的快速发展,国道106线的交通量不断增大、重型车辆增加及超载现象严重引起该桥桥台、台帽出现开裂,桥台基础部分外露冲空等病害等病害。根据《公路桥涵养护规范》全桥总体技术状况等级评定标准进行,该桥总体技术状况等级评定为四类桥,因此必须及时进行维修加固。
First, the project profile State Road 106 line South Fogang K2388 + 920 Yang Ming Shaoqiao is 1-20.0m reinforced concrete bridge, the full bridge length 38.56m, the bridge design load of steam -20, hanging -100, the lower structure of gravity U-shaped bridge. The bridge was opened to traffic in 1997 and has been in use for more than a decade. With the rapid economic development in Fogang, the traffic volume of Route 106 has been increasing. The increase of heavy vehicles and the overloading phenomenon have caused the bridge abutment. Taiwan hat cracking occurs, the abutment foundations exposed some other diseases and other diseases. According to the assessment standard for the overall technical condition of the whole bridge in the Code for Maintenance of Bridges and Culverts of Highway, the overall technical status of the bridge is assessed as a fourth type of bridge and must be repaired and hardened in time.