| 预应力混凝土曲线梁桥受力性能参数化分析研究 |
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| 引用本文： | 李群锋.预应力混凝土曲线梁桥受力性能参数化分析研究[J].山西交通科技,2014(4):110-112. |
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| 作者姓名： | 李群锋 |
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| 作者单位： | 山西省交通科学研究院,山西太原030006 |
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| 摘 要： | 结合曲线梁桥实际工程,运用大型通用有限元分析软件ANSYS提供的参数化设计语言,对一座跨径布置为3×30 m,桥宽为12 m的预应力混凝土曲线梁桥在不同曲率半径R以及边中跨径比L1/L2条件下进行了受力性能分析。研究结果表明:随着曲率半径的减小,曲线桥会在支墩主梁处产生扭矩值,且不断增大,另外建议当R/L≥10倍时可以近似按照直线桥进行受力分析;设置合理的边中跨径比不仅可以平衡边跨与中跨的内力分布,亦能有效地调节曲线梁桥支墩处的扭矩分布。
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| 关 键 词： | 曲线梁桥 参数化设计 曲率半径 边中跨径比 受力性能 |
The Parametric Analysis Research on the Mechanical Performance of Prestressed Concrete Curved Beam Bridge |
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| LI Qun-feng.The Parametric Analysis Research on the Mechanical Performance of Prestressed Concrete Curved Beam Bridge[J].Shanxi Science & Technology of Communications,2014(4):110-112. |
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| Authors: | LI Qun-feng |
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| Institution: | LI Qun-feng (Shanxi Transportation Research Institute, Taiyuan, Shanxi 030006, China) |
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| Abstract: | Combined with the practical project of curved beam bridge, this paper used the parametricdesign language of the large general finite element analysis software ANSYS, the paper analyzed the mechanicalperformance of the prestressed concrete curved beam bridge under the conditions of different curvature radius andside middle span ratio. |
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| Keywords: | curved beam bridge parametric design curvature radius side middle span ratio mechanical performance |
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