Corrosion steel pipe joint repairing device and method for mixed casing pipe interlayer grouting: Fid-Bau Portal

Corrosion steel pipe joint repairing device and method for mixed casing pipe interlayer grouting

YAN XIAOYU / LU YAPING / CHANG HONGFEI / ZHU SIJIE / RAN SHIYU

The invention discloses a device and method for repairing a rusted steel pipe joint through mixed casing pipe interlayer grouting, and belongs to the technical field of constructional engineering.The device comprises a GFRP outer casing pipe, and the joint of a main pipe and a branch pipe is sleeved with the GFRP outer casing pipe; and a grouting material is filled between the GFRP outer sleeve and the main pipe and is used for repairing the rusted steel pipe joint. The device is convenient to use, further corrosion of repaired components can be avoided, the static strength and the anti-seismic ductility performance of the joint are improved, and it is guaranteed that the space rigid frame and the truss have the good anti-seismic ductility performance and the good bearing performance.

本发明公开了一种混合套管夹层灌浆的锈蚀钢管节点修复装置及修复方法，属于建筑工程技术领域，该装置包括GFRP外套管，GFRP外套管套设在主管和支管的连接处；GFRP外套管和主管之间填充灌浆料，以用于修复锈蚀钢管节点。本发明安装置使用方便，可避免修复后构件进一步锈蚀，提高节点的静力强度和抗震延性性能，保证空间刚架与桁架具有良好的抗震延性性能和承载性能。

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