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首页> 外文期刊>Dyna >NUMERICAL EXPERIMENTATION FOR THE OPTIMAL DESIGN OF REINFORCED RECTANGULAR CONCRETE BEAMS FOR SINGLY REINFORCED SECTIONS
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NUMERICAL EXPERIMENTATION FOR THE OPTIMAL DESIGN OF REINFORCED RECTANGULAR CONCRETE BEAMS FOR SINGLY REINFORCED SECTIONS

机译：矩形截面钢筋混凝土梁优化设计的数值试验

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摘要

This paper presents a model for the optimal design of reinforced rectangular concrete beams for singly reinforced sections. It develops an analytical approach to the problem, based on a criterion of minimum cost and minimum weight design with a reduced number of design variables. Representative examples are presented to illustrate the applicability of the formulation in accordance with building code requirements for structural concrete (ACI 318S-13), including the comments on the standards. A comparison is made between the optimal design solution and current design practice for reinforced rectangular concrete beams. The optimal solution for the design of reinforced rectangular concrete beams shows clearly that significant savings can be made in the costs of the construction materials used ? i.e. reinforcement steel and concrete. In addition, the problem formulation can be applied using a nonlinear mathematical programming format.
机译：本文提出了一种用于单钢筋截面的钢筋矩形混凝土梁优化设计的模型。它基于最小成本和最小重量设计的标准，并减少了设计变量的数量，开发了一种针对该问题的分析方法。给出了具有代表性的示例，以说明根据结构混凝土的建筑规范要求（ACI 318S-13），该配方的适用性，包括有关标准的意见。在钢筋混凝土矩形梁的最佳设计解决方案和当前设计实践之间进行了比较。钢筋混凝土矩形梁设计的最佳解决方案清楚地表明，可以大大节省所用建筑材料的成本。即钢筋和混凝土。此外，可以使用非线性数学编程格式来应用问题表述。

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