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中文摘要：
结合我国现行的结构设计规范,对承受多工况荷载下的钢筋混凝土框架（RC）结构离散变量的优化设计问题,提出了一种基于模拟退火算法的优化算法。通过建立配筋模板数据库,将梁柱的计算配筋面积转换成最优的且满足规范和施工要求的实际配筋形式。在模拟退火算法中提出了自适应设计域技术,提高了算法的效率。将上述优化算法在大型有限元软件ANSYS和建筑结构设计专用软件SATWE软件上进行了程序实现。对一个15层的结构进行了优化设计,结果表明本文提出的方法是有效的和可操作的。
英文摘要：
This paper proposes a simulated annealing algorithm of optimum design for reinforced concrete （RC） structures under multiload cases based on the current Chinese design codes. The optimum reinforcement detailing, which satisfies the constraints related to the user specified rules and regulations in design codes, is achieved by constructing the data sets containing different available reinforcement bar diameter in a pre-speeified pattern. An adaptive feasible region technique is developed to improve the efficiency of simulated annealing algorithm. The proposed method is integrated into the commercial software packages for building structural design, SATWE, and for finite element analysis, ANSYS, for practical applications. Finally, a practical frame structure （15-story） is optimized to illustrate the effectiveness and practicality of the proposed optimum design method.
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