Enhancing Sustainability in Construction: An Evaluation of Lightweight Concrete with Sintered Fly Ash and Waste Marble Sand

IF 1.4 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Advances in Civil Engineering Materials Pub Date : 2024-07-22 DOI:10.1520/acem20230070

Pankaj Dhemla, Prakash Somani, Bajrang Lal Swami

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Abstract

Marble waste and fly ash are industrial waste, and disposal of these wastes is a big challenge for environmental sustainability. In this study, we explore an innovative approach to sustainable construction by utilizing industrial by-products: sintered fly ash aggregate (SFA) and waste marble sand in lightweight aggregate concrete (LWAC). This study used SFA as a coarse aggregate, whereas river sand was partially replaced by waste marble sand (10–50 %). The waste marble sand modified LWAC has been investigated for mechanical and durability properties. The test related to permeability like water absorption, sorptivity, permeability, and drying shrinkage has been performed. Mercury intrusion porosimetry test was performed to validate durability results. The results indicate that 30 % of river sand can be replaced with waste marble sand as it improves the overall performance of LWAC. Our research contributes to global sustainability efforts by providing a method to reduce industrial waste through its incorporation in building materials. This study not only addresses the urgent need for environmental preservation but also offers potential enhancements in the mechanical properties of LWAC, making it a viable and eco-friendly option in the construction industry worldwide.

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增强建筑业的可持续性：使用烧结粉煤灰和废大理石砂的轻质混凝土评估

大理石废料和粉煤灰属于工业废料，这些废料的处理是环境可持续发展的一大挑战。在这项研究中，我们探索了一种可持续建筑的创新方法，即在轻质骨料混凝土（LWAC）中利用工业副产品：烧结粉煤灰骨料（SFA）和废大理石砂。这项研究使用烧结粉煤灰作为粗骨料，而河砂部分由废大理石砂代替（10%-50%）。对废大理石砂改性的轻质骨料混凝土（LWAC）进行了机械和耐久性能研究。进行了与渗透性有关的测试，如吸水率、吸水率、渗透性和干燥收缩率。为了验证耐久性结果，还进行了汞侵入孔隙度测试。结果表明，可以用废大理石砂替代 30% 的河砂，因为这样可以提高 LWAC 的整体性能。我们的研究为全球的可持续发展做出了贡献，提供了一种通过在建筑材料中加入工业废料来减少工业废料的方法。这项研究不仅解决了环境保护的迫切需求，还提供了提高 LWAC 机械性能的潜力，使其成为全球建筑行业中可行的环保选择。

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来源期刊

Advances in Civil Engineering Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

2.70

自引率

7.10%

发文量

期刊介绍： The journal is published continuously in one annual issue online. Papers are published online as they are approved and edited. Special Issues may also be published on specific topics of interest to our readers. Advances in Civil Engineering Materials provides high-quality, papers on a broad range of topics relating to the properties and performance of civil engineering materials. Materials Covered: (but not limited to) Concrete, Asphalt, Steel, Polymers and polymeric composites, Wood, Other materials used in civil engineering applications (for example, pavements, bridges, and buildings, including nonstructural building elements such as insulation and roofing), and environmental systems (including water treatment). Core Topics Covered: Characterization, such as chemical composition, nanostructure, and microstructure, Physical properties, such as strength, stiffness, and fracture behavior, Constructability, such as construction methods, quality control/assurance, life cycle analysis, and sustainability, Durability. Papers may present experimental or modeling studies based on laboratory or field observations. Papers relating to sustainability of engineering materials or to the impact of materials on sustainability of engineering structures are especially encouraged.