低炭素・高耐久インフラ向けの持続可能なセメント系複合材料としてのポリマー改質フライアッシュコンクリート
Polymer-Modified Fly Ash Concrete as a Sustainable Cementitious Composite for Low-Carbon and Durable Infrastructure (原題)
Sudipta Adhikary, Paramita Bhattacharyya
🤖 gxceed AI 要約
日本語
フライアッシュにポリマー改質を加えたPMFACについて、耐久性・資源効率・炭素削減・ライフサイクル性能を比較評価した研究。ポリマーとフライアッシュの相乗効果により、微細構造の健全性、界面接着、ひび割れ抵抗、不透水性が向上し、セメント使用量と産業廃棄物の削減に寄与する。耐久性と長寿命化を通じて保守負荷と実体炭素を低減し、資源効率の高い低炭素インフラに資する可能性を示す。
English
This study evaluates polymer-modified fly ash concrete (PMFAC) for durability, resource efficiency, carbon reduction and life-cycle performance. Polymer–fly ash synergy improves microstructure, interfacial bonding, crack resistance and impermeability while cutting Portland cement use and valorizing industrial waste. PMFAC offers a pathway to longer-lasting, lower-embodied-carbon and resource-efficient infrastructure.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本の建設業はScope 3排出のうち資材由来（セメント・コンクリート）が大きく、SSBJや有報でのScope 3開示・削減目標対応において低炭素資材の採用は重要テーマ。本論文はフライアッシュ活用とポリマー改質による耐久性・炭素削減の両立を示し、公共調達やグリーン建材選定の根拠になり得る。ただし定量的なLCA・コストデータが示されておらず、実務適用には追加検証が必要。
In the global GX context
Embodied carbon in cement and concrete is a major Scope 3 category for construction and real estate, and is increasingly targeted under ISSB/CSRD disclosure and green public procurement rules. This paper supports the case for low-carbon cementitious composites as a credible decarbonization lever, though it stops short of quantified LCA or cost data that disclosure frameworks and transition plans typically require.
👥 読者別の含意
🔬研究者:Provides a qualitative synthesis of polymer–fly ash synergy for durability and embodied-carbon reduction, useful as a baseline for designing quantitative LCA and mechanical testing studies.
🏢実務担当者:Suggests PMFAC as a candidate low-carbon material for reducing embodied carbon and maintenance in concrete assets, but requires project-specific durability and cost validation before specification.
🏛政策担当者:Supports policies promoting fly ash valorization and low-carbon construction materials, though quantitative carbon and cost evidence is needed for standards or procurement criteria.
📄 Abstract（原文）
There is a need for sustainable cementitious composites in the construction industry which can help in reducing carbon emission and increase the durability of the constructed infrastructure. The utilization of fly ash can not only benefit the environment, but also by adding polymer modifiers, a high-performance and low-carbon composite material polymer modified fly ash concrete (PMFAC) can be produced. The study examines the engineering potential and sustainability of PMFAC by comparing its durability, resource efficiency, carbon reduction and life cycle performance. The use of fly ash helps in reducing the use of Portland cement and helps in vaporizing the industrial wastes whereas the polymer modification enhances the microstructural integrity, interfacial bonding, crack resistance and impermeability. This means that PMFAC has increased durability, longevity and reduced carbon emissions associated with its embodied concrete. The results indicate the synergistic effect of polymer–fly ash interaction on the enhancement of both structural performance and its environmental sustainability. PMFAC is thus a potential cementitious composite which can contribute towards the creation of resilient, resource efficient and low carbon infrastructure The results show the synergistic effect of polymer–fly ash on improving the structural performance and its environmental sustainability. Furthermore, PMFAC shows great promise for sustainable construction with a view to increasing the life cycle efficiency and the ability to withstand various service conditions. Fly ash and polymer modifiers work together to lower maintenance requirements, maximize material usage and to produce excellent long-term performance. These attributes are consistent with the goals of sustainability that are central to global efforts, including waste valorization, the protection of natural resources, and the shift to more environmentally-friendly and climate-resilient infrastructure systems. PMFAC is thus a potential cementitious composite which can contribute towards the creation of resilient, resource efficient and low carbon infrastructure.
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.37591/jopc.v14i05.250852first seen 2026-09-21 05:12:32
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