谭  湘    薛隆泉     （西安理工大学  710048）

[提要]  针对拉线铁塔的结构特点，建立了结构优化设计模型，把离散变量优化方法与结构有限元法相结合，完成拉线铁塔优化设计计算软件的研制。应用结果表明该软件具有较好的适应性和实用性，优化效果明显。
[关键词]  拉线铁塔优化设计  离散变量

A structure optimal design model is established in accordance with special structure characteristics of cable stayed iron tower. Combining the method of searching discrete variables with the structure finite element method,a structure optimal design calculating software is developed. The software presents the characteristics of sound adaptability as well as applicability. The result of optimal design is effective.
Keywords:  cable stayed iron tower; optimum design; discrete variable