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对桥梁结构的优化设计方法进行了新的探讨 ,得到了以桥梁结构生命全过程的动态可靠性为约束 ,以桥梁结构初始投资、失效损失和维修加固费用之和为目标函数的桥梁结构优化设计表达式。其方法和结果对建筑桥梁结构的设计、管理和研究具有一定的参考价值
The bridge structure optimization design method is discussed, and the bridge structure optimal design with the objective of the initial investment of bridge structure, the failure loss and the cost of maintenance and reinforcement is obtained, which is constrained by the dynamic reliability of the entire life of the bridge structure expression. The method and result have certain reference value to the design, management and research of building bridge structure