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对桥梁的主梁而言,无支架施工是最简单、可靠的施工方法,挂篮施工是目前较为常见的无支架施工方法,其应用范围也极为广泛。文章结合南水北调东线工程(45+80+45)m预应力混凝土变截面连续梁桥的施工实际,论述了自制贝雷梁桁架式挂篮的基本原理、主要构成、施工应用和施工特点,并进一步阐述了贝雷梁挂篮的应用前景。
For the main girder of the bridge, the construction without stents is the simplest and most reliable construction method. The construction of cradle is the most common unsupported construction method, and its application range is also very extensive. Combined with the construction practice of continuous prestressed concrete (CFST) continuous girder bridge with 45 + 80 + 45 (m) East Route of South-to-North Water Diversion Project, the basic principle, main structure, construction application and construction features of the self-made Berea girder Further expounded the Beilei hanging basket application prospects.