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本文应用SUMT法对10吨10米预应力桥式起重机的预应力箱型主梁进行了优化设计。根据优化结果给出了主梁截面的最佳参数。优化设计与原设计相比重量可减轻17.6％。
In this paper, SUMT method is used to optimize the design of prestressed box girder of 10 ton 10m prestressed overhead traveling crane. According to the optimization results, the best parameters of the main beam section are given. Optimized design reduces weight by 17.6% compared to the original design.