Multi-objective Optimization Based on the RSM-MOPSO-GA Algorithm and Synergistic Enhancement Mechanism of High-Performance Porous Concrete

IF 9.7 1区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL Journal of Cleaner Production Pub Date : 2024-12-16 DOI:10.1016/j.jclepro.2024.144492
Guanglei Qu, Mulian Zheng, Chuan Lu, Jiakang Song, Dazhi Dong, Yueming Yuan
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Abstract

Porous concrete (PC) can effectively mitigate various environmental problems associated with road space. Exploring high-performance porous concrete (HPPC) is essential to expanding its applications. However, the current single methods for improvement have almost reached a bottleneck, particularly in terms of mechanical properties. Therefore, this research seeks further breakthroughs from synergistic enhancement and multi-objective optimization. The optimization variables were identified through single-factor experiments, and the optimal solutions for the optimization objectives were subsequently obtained using the response surface methodology (RSM). To address the inherent limitation of RSM in delivering only a single optimal solution, this paper proposed a novel RSM-MOPSO-GA hybrid optimization algorithm. Meanwhile, the synergistic enhancement mechanisms were elucidated through microstructural analysis. The results indicate that the individual enhancement effects of basalt fiber (BF), nano-SiO₂ (NS), and waterborne epoxy resin (WER) are limited. However, the RSM-based optimization significantly improved the performance of HPPC, with compressive strength and flexural strength increased by 51.4% and 69.8%, respectively, and the permeability coefficient enhanced by 33.8%. Furthermore, the application of the RSM-MOPSO-GA algorithm produced a stable Pareto front containing 50 individuals for users' decision-making. The interaction between WER and NS at the microscale, combined with the reinforcement of BF at the mesoscale, establishes a synergistic enhancement mechanism. The research findings provide both a theoretical foundation and experimental basis for the further application of HPPC. Additionally, it also offers a novel solution to address the challenges of multi-objective optimization in concrete performance.
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基于 RSM-MOPSO-GA 算法的多目标优化和高性能多孔混凝土的协同增强机制
多孔混凝土(PC)可有效缓解与道路空间相关的各种环境问题。探索高性能多孔混凝土(HPPC)对于扩大其应用至关重要。然而,目前单一的改进方法几乎已达到瓶颈,尤其是在力学性能方面。因此,本研究从协同增强和多目标优化方面寻求进一步的突破。通过单因素实验确定了优化变量,随后利用响应面方法(RSM)获得了优化目标的最优解。针对 RSM 只能提供单一最优解的固有局限性,本文提出了一种新颖的 RSM-MOPSO-GA 混合优化算法。同时,通过微观结构分析阐明了协同增强机制。结果表明,玄武岩纤维(BF)、纳米二氧化硅(NS)和水性环氧树脂(WER)的单独增强效果有限。然而,基于 RSM 的优化显著改善了 HPPC 的性能,抗压强度和抗折强度分别提高了 51.4% 和 69.8%,渗透系数提高了 33.8%。此外,RSM-MOPSO-GA 算法的应用还产生了一个包含 50 个个体的稳定帕累托前沿供用户决策。WER 和 NS 在微观尺度上的相互作用,加上 BF 在中观尺度上的强化,建立了一种协同增强机制。研究结果为 HPPC 的进一步应用提供了理论基础和实验依据。此外,它还为应对混凝土性能多目标优化的挑战提供了一种新的解决方案。
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来源期刊
Journal of Cleaner Production
Journal of Cleaner Production 环境科学-工程:环境
CiteScore
20.40
自引率
9.00%
发文量
4720
审稿时长
111 days
期刊介绍: The Journal of Cleaner Production is an international, transdisciplinary journal that addresses and discusses theoretical and practical Cleaner Production, Environmental, and Sustainability issues. It aims to help societies become more sustainable by focusing on the concept of 'Cleaner Production', which aims at preventing waste production and increasing efficiencies in energy, water, resources, and human capital use. The journal serves as a platform for corporations, governments, education institutions, regions, and societies to engage in discussions and research related to Cleaner Production, environmental, and sustainability practices.
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