东沙大桥主塔液压爬模施工东沙大桥主塔液压爬模施工 摘要:爬模施工具有施工速度快、质量保证、节约成本、操作简单等特点,结合东沙大桥主塔液压爬模施工实践,详细介绍了爬模结构设计、爬模施工、关键工序控制及安全注意事项,可为类似工程提供参考
关键词:液压爬模;主塔;设计;施工控制 Abstract: the construction of climbing form high construction speed, quality assurance, saving cost, simple operation, based on the characteristics of sand bridge main tower hydraulic climbing form construction practice, the paper introduces in details the die structure design, climb up die construction, key process control and safety, can provide reference for similar project
Keywords: hydraulic climbing form; The main tower; Design; Construction control 中图分类号: TU74 文献标识码:A 文章编号:2095-2104(2025) 1 工程概况 东沙大桥位于南通市通州区沿江高等级公路与五接镇兴武大道交叉处,主桥采纳(41
4+270+78
6)m 双塔双索面预应力混凝土斜拉桥,主塔总高为 90
538m,下横梁以上塔高约71
94m,主塔由上塔柱(斜拉索锚固区)、中塔柱、下塔柱及横梁组成的钻石型空间结构,上塔柱为斜拉索锚固区段