花瓶式桥墩墩顶拉力计算分析 |
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引用本文: | 张帅锋. 花瓶式桥墩墩顶拉力计算分析[J]. 辽宁交通科技, 2014, 0(2): 43-45 |
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作者姓名: | 张帅锋 |
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作者单位: | 辽宁省交通规划设计院,沈阳110005 |
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摘 要: | 依托某项目3—25m现浇预应力混凝土连续箱梁桥,应用有限元程序ANSYS建立花瓶墩三维实体模型,分析花瓶墩受力特点;进而与拉压杆模型计算得到的拉杆拉力进行比较。结果表明,采用拉压杆模型计算的拉杆拉力误差较小,可以满足工程要求,并作为花瓶墩拉杆设计的依据。
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关 键 词: | 花瓶墩 有限元 拉压杆模型 拉杆拉力 |
Calculation Analysis on the Tension of Pier Top of Vase - shaped Pier |
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Abstract: | The thesis takes a 3 - 25m cast - in - place prestressed concrete continuous - box - girder bridge as an example, using finite element program ANSYS to build up the 3D entity model of the vase - shaped pier to analyze the loading features of it. The loading features will be compared with drawbar pull achieved from the strut - and - tie model calculation. The result shows that drawbar pull obtained from the strut - and - tie model calculation has relatively fewer errors, which will meet the requirements of the project as well as being the basis for the design of the vase - shaped piers. |
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Keywords: | Vase - shaped pier Finite element Strut - and - tie model Drawbar pull |
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