软弱地基上的重力式桥墩，在强烈地震作用下，有可能会发生桥墩基础提离现象。
The gravity bridge pier built on weak ground base may be lifted off the base during strong earthquake event.
本文针对单线铁路混凝土重力式桥墩，研究了考虑材料非线性和几何非线性的分析方法。
In this paper, an analysis method in consideration of the nonlinearity of materials and geometry for gravity concrete piers in railway Bridges is studied.
文章最后对一重力式桥墩进行了计算分析，并对计算结果进行了探讨得出了有益的结论。
Finally it analyzes the method of the calculation discusses its results and obtains useful conclusions.
本文给出了重力式桥墩与明挖基础整体优化设计的数学模型，选择序列线性规划法，并利用线性规划的对偶理论求最优解。
In this paper, a mathematical model for integral optimization design of pier shaft and its foundation is given, and the SLP method and duality theory are applied here to have a optimal solution.
本文给出了重力式桥墩与明挖基础整体优化设计的数学模型，选择序列线性规划法，并利用线性规划的对偶理论求最优解。
In this paper, a mathematical model for integral optimization design of pier shaft and its foundation is given, and the SLP method and duality theory are applied here to have a optimal solution.
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