大跨斜拉桥钢混组合梁整体节段架设关键技术

摘要

结合泉州湾跨海大桥主桥的现场实践，深入研究了采用节段预制拼装技术所带来的钢混组合梁整体节段架设过程中的各项关键技术，指出大跨组合梁斜拉桥采用整体节段预制拼装技术具有施工速度快、现场工序简洁、质量易于控制、节能环保等优点。%Combining with major Quanzhouwan ocean-crossing bridge site practice,the paper studies critical integral segment erection technolo-gies of steel-concrete composite beam of large-span cable-stayed bridge by applying segment prefabrication spelling technology,and finally points out its advantages,such as fast construction speed,simple field construction procedures,easy quality control,energy-saving and environmental protection and so on.