机构地区: 同济大学
出 处: 《结构工程师》 2005年第4期7-9,22,共4页
摘 要: 浙江长兴港大桥是一座双塔单索面预应力混凝土矮塔斜拉桥。主桥的孔跨布置为:(39+88+38.9)m,采用塔梁固接,墩顶设支座的结构形式,设计构思独特。以该桥为背景,通过计算,分析了矮塔斜拉桥的力学行为,阐述了其设计构思,并对该种桥型的发展前景进行了分析。 The Changxing harbor bridge in Zhejiang is a prestressed cable-stayed bridge with two tower and single-cable-plane. Spans are attributed as (39 + 88 + 38.9)m.The structural type of tower-girder fixed,tower-girder and pier separated and supports mounted on the top of pier is used. Design concept is unique.Taking the bridge as a background, mechanical behavior and design concept are analysed through calculation and development of the special bridge is discussed.
关 键 词: 矮塔斜拉桥 力学行为 桥梁设计 矮塔斜拉桥 力学行为 设计实践 行为分析 预应力混凝土 设计构思 浙江长兴 孔跨布置 发展前景