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一、概况斜拉桥由于结构的经济合理,跨越能力人,适应了桥梁向大跨度发展的需要,国外近年来发展快,修建多。据有关资料初步统计:至1976年,世界各国建成的斜拉桥有75座;而至1980年,建成和施工中的斜拉桥有102座。(包括我国5座在内)其中钢斜拉桥73座,钢筋混凝土斜拉桥29座;就跨度而言,钢斜拉桥中法国建成主跨404米的新圣·纳泽尔桥,苏联建成主跨300米的
I. Overview Cable-stayed bridge due to the structure of economic rationality, ability to cross over to meet the needs of the bridge to the development of large-span, foreign fast development in recent years, to build more. According to preliminary statistics on the relevant information: By 1976, there were 75 cable-stayed bridges built in various countries in the world; and by 1980, there were 102 cable-stayed bridges completed and under construction. (Including China’s five included), including 73 steel cable-stayed bridges and 29 reinforced-concrete cable-stayed bridges. In terms of span, the steel cable-stayed bridge was built in France with the new Saint Nazaire Bridge of 404 meters in main span, Built into the main span of 300 meters