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

机译：使用多目标优化高强度混凝土工字梁的可持续设计

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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愿景。为此，本研究提出了一种基于多目标优化技术的钢筋混凝土工字梁设计方法。目标函数是经济成本，CO_2排放，使用寿命和整体安全系数。该程序应用于包含多种高强度混凝土混合料的简单支撑工字梁。 15 m光束的解由总共20个变量定义。结果表明，高强度混凝土可用于长期解决方案。此外，低碳结构可长期使用并确保安全的经济可行性得到了证明。这种方法学广泛适用于不同的结构设计，因此，为工程师提供了增强其设计可持续性的有价值的指南。

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