The paper introduces critical construction points of closure segment of continuous railway beam,describes construction technology pro-cedures of closure segment and system transformation,and explores temporary structure design methods from aspects of stiff skeleton,temporary prestress and support template,which has provided some guidance for similar engineering construction.%介绍了铁路连续梁合龙段施工阶段的关键点，阐述了合龙段及体系转换的施工工艺流程，并从劲性骨架、临时预压力束、支架模板等方面，探讨了临时结构设计方法，为类似工程的施工提供了参考。
展开▼
