Positioning construction method for bridge corrugated pipe: Fid-Bau Portal

Positioning construction method for bridge corrugated pipe

RAO XIAOQIANG / LIU XIAOSONG / GONG JIANCHUN / WANG YANWEI / CHEN SHIWEI

The invention relates to a positioning construction method for a bridge corrugated pipe, which comprises the following steps of: installing a positioning device after construction of a bridge bottom plate reinforcing steel bar and a web stirrup is completed; the bridge corrugated pipe is arranged in an adjusting assembly in the positioning device in a penetrating mode so that the bridge corrugated pipe can be temporarily fixed; after the prestressed tendon is arranged in the bridge corrugated pipe in a penetrating mode, a positioning rib used for fixing the bridge corrugated pipe is installed on the side close to the adjusting assembly, and the positioning rib is fixedly connected with a web steel bar through a connecting device; dismounting the positioning device; on one hand, by arranging the positioning device, compared with traditional bridge corrugated pipe positioning installation, displacement of a pipeline line of the bridge corrugated pipe in the penetrating process of the bridge corrugated pipe is avoided; on the other hand, through the arrangement of the connecting device, the damage of positioning rib welding to a pore channel of the bridge corrugated pipe is effectively avoided, and the integrity of the bridge corrugated pipe is guaranteed; and the construction efficiency and the material utilization rate are improved.

本发明涉及一种桥梁波纹管的定位施工方法，包括以下步骤：在桥梁底板钢筋与腹板箍筋施工完成后，安装定位装置；将桥梁波纹管穿设于定位装置中的调节组件内，以对桥梁波纹管临时固定；将预应力筋穿设于桥梁波纹管后，靠近调节组件的一侧安装用于固定桥梁波纹管的定位筋，定位筋通过连接装置与腹板钢筋固定连接；拆除定位装置；一方面，通过设置定位装置，与传统的桥梁波纹管定位安装相比，避免了在桥梁波纹管穿入过程中桥梁波纹管的管道线的变位；另一方面，通过设置连接装置，有效避免了定位筋焊接对桥梁波纹管的孔道的伤害，保证桥梁波纹管的完整性；提高了施工效率和材料的利用率。

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