New opportunity: Materials genome strategy for engineered cementitious composites (ECC) design

IF 10.8 1区 工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY
Wenguang Chen , Long Liang , Fangming Jiang , Ziming Tang , Xinjian Sun , Jiangtao Yu , Victor C. Li , Kequan Yu
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引用次数: 0

Abstract

Engineered cementitious composites (ECC) is considered as one of the most promising cement-based materials in construction industry. However, classical micromechanics-based design theory of ECC qualitatively indicates whether a mix meets the pseudo strain-hardening condition, and cannot provide detailed ECC mix compositions targeting specific mechanical performance requirements. This study presents a Materials Genome Initiative (MGI)-oriented strategy to design ECC through properties prediction and optimization design based on machine learning (ML). The genomic characteristics of ECC materials were summarized and analyzed, demonstrating that the mechanical properties of ECC could be closely related with its raw material attributes and mixture proportions. A comprehensive data-driven ML framework for the design of ECC was proposed, which integrates database construction with data treatment, feature selection, interpretable ML model prediction and inverse optimization design. A preliminary study towards designing ECC mixture proportions that meet specific performance requirements was further conducted. Three ML models were developed to predict the tensile properties of ECC based on the constructed database. The weight ratios of the binder, the sand-to-binder ratio, the water-to-binder ratio and the volumetric ratio, diameter, and length of fibers were employed as the input features for the ML modelling. With the best prediction models, two design scenarios with four objectives including tensile strength, tensile ductility, carbon footprint, and material cost of ECC were optimized using non-dominated sorting genetic algorithm II (NSGA-II). As a result, the proposed ML framework could achieve reliable properties prediction and rapid, quantitative, and intelligent design for ECC, which were validated by the experiments. This work introduces the concept of MGI and lays the groundwork of an AI-guided performance-based design of ECC, while further research remains.
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来源期刊
Cement & concrete composites
Cement & concrete composites 工程技术-材料科学:复合
CiteScore
18.70
自引率
11.40%
发文量
459
审稿时长
65 days
期刊介绍: Cement & concrete composites focuses on advancements in cement-concrete composite technology and the production, use, and performance of cement-based construction materials. It covers a wide range of materials, including fiber-reinforced composites, polymer composites, ferrocement, and those incorporating special aggregates or waste materials. Major themes include microstructure, material properties, testing, durability, mechanics, modeling, design, fabrication, and practical applications. The journal welcomes papers on structural behavior, field studies, repair and maintenance, serviceability, and sustainability. It aims to enhance understanding, provide a platform for unconventional materials, promote low-cost energy-saving materials, and bridge the gap between materials science, engineering, and construction. Special issues on emerging topics are also published to encourage collaboration between materials scientists, engineers, designers, and fabricators.
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