装配式混凝土拱肋强迫合龙的可行性分析

Feasibility Analysis of Forced Closure for Fabricated Concrete Arch Rib

文章针对装配式混凝土系杆拱桥在拱肋最后合龙阶段采用的"强迫合龙"施工方法,探讨其施工可行性和相关技术措施,以保证合龙施工时拱肋受力明确,结构构造合理,质量稳定可靠。实践证明该施工方法是可行的,可供类似工程施工参考。

In recent years, many prefabrication concrete bowstring arch bridges use the construction method which named ＂forced closure＂ in the last stage of arch rib closure. Based on the feasibility of the process, this article makes it a viable new process of arch ribs closure by means of raising a number of related technical measures to ensure that, the force of arch rib is clear, the structural configuration is reasonable, the construction process is simple, the quality is stable and reliable.