Optimizing mix design methods for using slag, ceramic, and glass waste powders in eco-friendly geopolymer mortars

IF 4.4 3区工程技术 Q1 ENGINEERING, CIVIL Archives of Civil and Mechanical Engineering Pub Date : 2024-11-01 DOI:10.1007/s43452-024-01077-3

Mohamed Aimen Boulebnane, Ahmed Abderraouf Belkadi, Kamel Boudeghdegh, Tarek Chiker, Amirouche Berkouche, Lysa Benaddache, Annelise Cousture, Salima Aggoun

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Abstract

Faced with the urgent need to develop environmentally friendly alternatives to cementitious materials, geopolymers, made from combinations of various by-products, offer a promising solution. In recent years, statistical optimization methods have begun to be applied in the field of engineering. This study focuses on sustainable geopolymer mortars by incorporating industrial by-product powders, specifically blast furnace slag (SP), waste glass powder (GP), and ceramic powder (CP) as partial replacements. Compressive strength, flexural strength, workability, and density were evaluated for various ternary compositions using a Mix Design Model (MDM) approach. The main results revealed a synergistic interaction between SP and CP, with a 20% replacement of CP leading to a 16% increase in compressive strength, indicating optimal performance. Microstructural analysis using SEM, TGA, and FTIR highlighted a dense, crack-free matrix with extensive calcium aluminosilicate gel phases, particularly in the SP–CP mixture. Optimization through desirability profiling identified a 30% CP replacement as ideal for maximizing strength and workability. Controlled optimization of multi-component geopolymer synthesis using by-products streams proves to be a promising method for developing next-generation sustainable construction materials.

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优化在环保型土工聚合物砂浆中使用矿渣、陶瓷和玻璃废料粉末的混合设计方法

面对开发水泥基材料环保型替代品的迫切需求，由各种副产品组合而成的土工聚合物提供了一种前景广阔的解决方案。近年来，统计优化方法已开始应用于工程领域。本研究的重点是通过加入工业副产品粉末，特别是高炉矿渣（SP）、废玻璃粉（GP）和陶瓷粉（CP）作为部分替代品，研究可持续的土工聚合物砂浆。采用混合设计模型（MDM）方法对各种三元组合物的抗压强度、抗弯强度、工作性和密度进行了评估。主要结果表明，SP 和 CP 之间存在协同作用，CP 替代率为 20%，抗压强度提高了 16%，显示出最佳性能。利用 SEM、TGA 和 FTIR 进行的微观结构分析表明，基质致密无裂纹，具有广泛的铝硅酸钙凝胶相，尤其是在 SP-CP 混合物中。通过可取性剖析进行优化后发现，30% 的 CP 替代物是实现强度和工作性最大化的理想选择。事实证明，利用副产品流对多组分土工聚合物合成进行受控优化，是开发新一代可持续建筑材料的有效方法。

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来源期刊

Archives of Civil and Mechanical Engineering 工程技术-材料科学：综合

CiteScore

6.80

自引率

9.10%

发文量

201

审稿时长

4 months

期刊介绍： Archives of Civil and Mechanical Engineering (ACME) publishes both theoretical and experimental original research articles which explore or exploit new ideas and techniques in three main areas: structural engineering, mechanics of materials and materials science. The aim of the journal is to advance science related to structural engineering focusing on structures, machines and mechanical systems. The journal also promotes advancement in the area of mechanics of materials, by publishing most recent findings in elasticity, plasticity, rheology, fatigue and fracture mechanics. The third area the journal is concentrating on is materials science, with emphasis on metals, composites, etc., their structures and properties as well as methods of evaluation. In addition to research papers, the Editorial Board welcomes state-of-the-art reviews on specialized topics. All such articles have to be sent to the Editor-in-Chief before submission for pre-submission review process. Only articles approved by the Editor-in-Chief in pre-submission process can be submitted to the journal for further processing. Approval in pre-submission stage doesn''t guarantee acceptance for publication as all papers are subject to a regular referee procedure.