Construction device and method for triangular area of steel inclined strut continuous rigid frame bridge: Fid-Bau Portal

Construction device and method for triangular area of steel inclined strut continuous rigid frame bridge

ZHANG QIANG / GONG WENHANG / LI WEI / JIN QIAO / LI SU / XIE KAIYUE

The invention relates to a construction device and method for a triangular area of a steel inclined strut continuous rigid frame bridge, and belongs to the technical field of bridge engineering.The construction device comprises a buckle cable mechanism and a support mechanism, the buckle cable mechanism comprises a plurality of temporary buckle cables arranged between a concrete pier column and a steel inclined strut, and the concrete pier column is rotationally connected with the steel inclined strut; the support mechanism comprises a plurality of temporary supports vertically arranged between the steel inclined struts and the concrete main beam. In actual use, the concrete pier column and the steel inclined strut are rotationally connected in a hinged mode, the angle between the steel inclined strut and the concrete pier column can be conveniently adjusted according to construction requirements, adjustment of a temporary buckle cable is avoided, construction becomes easier and more convenient, the construction monitoring difficulty is reduced, and the construction efficiency is improved. According to the monitoring result, the internal force of the bridge structure is convenient to adjust, and the construction efficiency and the construction quality are improved.

本申请涉及一种钢斜撑连续刚构桥三角区的施工装置及方法，属于桥梁工程技术领域，本申请的施工装置包括扣索机构和支架机构，扣索机构包括设置于混凝土墩柱和钢斜撑之间的多根临时扣索，且混凝土墩柱与钢斜撑之间转动连接；支架机构包括竖向设置于钢斜撑和混凝土主梁之间的多个临时支架。实际使用中，混凝土墩柱与钢斜撑之间采用例如铰接这种转动连接的方式，能够便于对钢斜撑和混凝土墩柱之间的角度根据施工需要进行调节，避免了对临时扣索进行调节，使得施工变得更为简便，且降低了施工监控难度，根据监控结果实现了桥梁结构内力方便可调，提高了施工效率和施工质量。

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