航道整治过程中的连续梁拆除施工技术

Demolition Construction Technology of Continuous Girder in Channel Regulation

因运河航道整治升级,泰州市京泰大桥老桥的主桥跨径和通航净空不能满足要求,需拆除重建。为保证航道的通航需求,采用拆桥挂篮配合钢管支架进行老桥上部结构的拆除作业,简单迅速地完成了连续箱梁的拆除施工。

Due to the regulation and upgrading of the canal channel,the main bridge span and the navigation clearance of the old Jingtai Bridge in Taizhou cannot meet the requirements,which need to be demolished and rebuilt.In order to ensure the navigation demand of the channel,the method of bridge demolition and form traveler with the steel pipe bracket is used to carry out the demolition of the superstructure of the old bridge,which can simply and quickly complete the demolition construction of continuous box girder.