【摘 要】
：
波纹钢腹板矮塔斜拉桥是"矮塔斜拉桥"和"波纹钢腹板预应力混凝土箱梁桥"的结合.继世界上两座波纹钢腹板矮塔斜拉桥(日本栗东桥和日见桥)建成以来,该桥型得到了工程界的广泛关
【机 构】
：
天津大学建筑工程学院天津大学建筑工程学院;滨海土木工程结构与安全教育部重点实验室(天津大学)
论文部分内容阅读
波纹钢腹板矮塔斜拉桥是"矮塔斜拉桥"和"波纹钢腹板预应力混凝土箱梁桥"的结合.继世界上两座波纹钢腹板矮塔斜拉桥(日本栗东桥和日见桥)建成以来,该桥型得到了工程界的广泛关注.但目前对该桥型的研究较少,存在较多未解决的问题,如索力在主梁中的分配规律、结构静力计算的简化计算方法、索梁锚固区构造以及地震响应特性等.本文以某预应力混凝土矮塔斜拉桥为背景,用波纹钢腹板代替原桥混凝土腹板重新设计,选取主梁高跨比、主塔高跨比及拉索间距三个设计参数进行反应谱分析,获得不同参数变化对桥梁地震响应特性的影响规律,并与原桥的地震响应特性进行比较,为波纹钢腹板矮塔斜拉桥的抗震设计与分析提供参考.
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