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介绍我国第一座大跨度迭合梁斜拉桥——南浦大桥的结构,南浦、杨浦大桥的主要技术参数巨大塔柱的斜爬模施工,大面积高标号混凝土桥面板的预制,漂浮式斜拉桥施工中的临时固结装置。迭合梁斜拉桥的安装机械组合与专用设备,起步段、标准段、特殊段及合拢段梁体的施工方法,既长又重的斜拉索的运输、安装与张拉以及如何用施工手段来提高桥面板抗裂性能。
This paper introduces the structure of Nanpu Bridge, the first large-span laminated girder cable-stayed bridge with large span in China, the main technical parameters of Nanpu and Yangpu Bridge, the construction of inclined tower formwork for huge pylons, the prefabrication of large area and high grade concrete bridge slabs, Bridge construction temporary consolidation device. Construction method of installation of mechanical combination and special equipment for composite girder cable-stayed bridge, initial stage, standard section, special section and closing section beam body, transportation, installation and tensioning of long and heavy stay cables, and how to use the construction Means to improve the bridge deck crack resistance.