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预应力混凝土桥梁起拱度的计算方法
The Calculation Method of the Prestressed Concrete Bridge’s Springing Quantum
【摘要】 利用预应力混凝土梁弹性 -徐变统一计算理论和杆件有限元的知识 ,对某预应力混凝土桥梁的起拱度进行计算 ,并探讨了混凝土徐变系数的变化对该桥起拱度的影响。
【Abstract】 The springing quantum of a prestressed concrete bridge was calculated using the unitive calculation theory of the elasticity-creep of the PC Bridge and finite element method. The influence of the change of the creep coefficient to the springing quantum of PC Bridge was discussed.
【关键词】 预应力混凝土桥;
起拱度;
徐变系数;
有限元法;
计算方法;
【Key words】 prestressed concrete bridge; springing quantum; creep coefficient; finite element method; computational method;
【Key words】 prestressed concrete bridge; springing quantum; creep coefficient; finite element method; computational method;
- 【文献出处】 桥梁建设 ,Bridge Construction , 编辑部邮箱 ,2002年04期
- 【分类号】U448.35
- 【被引频次】14
- 【下载频次】202