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Sustainable design using multiobjective optimization of high-strength concrete I-beams

机译：可持续设计采用高强度混凝土梁的多目标优化

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Sustainable designs require long-term environmental vision. To this end, this study proposes a methodology to design reinforced concrete I-beams based on multiobjective optimization techniques. The objective functions are the economic cost, the CO_2 emissions, the service life, and the overall safety coefficient. The procedure was applied to a simply supported concrete I-beam including several high-strength concrete mix compositions. The solution of this 15 m beam was defined by a total of 20 variables. Results indicate that high-strength concrete is used for long-term solutions. Further, the economic feasibility of low-carbon structures remaining in service for long periods and ensuring safety is proven. This methodology is widely applicable to different structure designs and therefore, gives engineers a worthy guide to enhance the sustainability of their designs.
机译：可持续设计需要长期的环境视野。为此，本研究提出了一种基于多目标优化技术设计钢筋混凝土I光束的方法。目标职能是经济成本，CO_2排放，使用寿命和整体安全系数。该方法应用于简单的支撑的混凝土I光束，包括几种高强度混凝土混合组合物。该15米光束的解决方案由总共20个变量定义。结果表明，高强度混凝土用于长期解决方案。此外，验证了长期服务中剩余的低碳结构和确保安全性的经济可行性。该方法广泛适用于不同的结构设计，因此为工程师提供了一个有价值的指南，以提高其设计的可持续性。

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