Sustainable Tropical Housing Design Using Fly Ash Geopolymer Concrete: An Embodied Carbon Analysis
フライアッシュジオポリマーコンクリートを用いた持続可能な熱帯住宅設計：体化炭素分析 (AI 翻訳)
D J Tjandra, M M C Sengke, W Wangidjaja, null Juliastuti
🤖 gxceed AI 要約
日本語
本研究は、インドネシア・ジャカルタの3階建て住宅を対象に、フライアッシュベースのジオポリマーコンクリートを用いた場合の体化炭素削減効果を分析した。Karbonara.idの炭素推定ツールを用いたA1～A5ライフサイクル評価の結果、従来のコンクリートと比較して56.08%の削減（483.25 kgCO2e/m3）が確認された。熱帯地域の住宅において構造設計を変更せずに低炭素材料を適用可能であることを示し、持続可能な都市開発（SDG11）に貢献する。
English
This study analyzes the embodied carbon reduction potential of fly ash-based geopolymer concrete in a three-story residential building in Jakarta, using the Karbonara.id carbon estimator for LCA stages A1-A5. Results show a 56.08% reduction (483.25 kgCO2e/m3) compared to conventional concrete. The study demonstrates the feasibility of applying geopolymer concrete in tropical housing without altering structural design, supporting sustainable cities (SDG 11).
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
日本の建設業界では、SSBJの開示基準やサプライチェーン排出量算定において体化炭素の重要性が高まっている。本論文は、フライアッシュジオポリマーコンクリートの実証データを提供し、日本の住宅建設における低炭素化の参考となる。
In the global GX context
This paper provides empirical evidence for geopolymer concrete as a low-carbon alternative in housing, relevant to global efforts under ISSB/CSRD for Scope 3 emissions. The method is transferable to other regions, though data is Indonesia-specific.
👥 読者別の含意
🔬研究者:Provides a localized LCA case study using a carbon estimator tool, valuable for benchmarking embodied carbon in tropical housing.
🏢実務担当者:Demonstrates a practical material substitution for ready-mix concrete that reduces embodied carbon by 56%, applicable to sustainable construction projects.
🏛政策担当者:Supports policy for low-carbon construction materials in tropical urban areas, aligning with SDG 11.
📄 Abstract（原文）
Abstract The construction industry is one of the largest contributors to global carbon emissions, mainly due to the use of Portland cement in concrete, which is widely applied in residential housing. In tropical countries like Indonesia, residential structures typically rely on reinforced concrete systems that result in high embodied carbon throughout the building lifecycle. This study addresses the critical issue of embodied carbon in housing construction by exploring the use of fly ash-based geopolymer concrete as a low-carbon material alternative. The research applies a localized approach by using the Karbonara.id carbon estimator, which follows life cycle assessment stages A1 to A5, to evaluate carbon emissions generated by materials in a three-story residential building located in Jakarta. The study compares two scenarios: one using conventional ready-mix concrete and another replacing it entirely with geopolymer concrete composed of 100% fly ash and alkaline activators (NaOH and Na 2 SiO 3 ). The results indicate a significant reduction of 56.08% in embodied carbon, equivalent to 483.25 kgCO 2 e per cubic meter of concrete. The findings demonstrate the feasibility of applying geopolymer concrete in tropical housing without altering the structural design, offering a practical pathway to reduce carbon emissions at the building scale. The novelty of this study lies in its integration of region-specific emission data and tropical climatic conditions, contributing practical benchmarks for sustainable residential construction. This research supports the global agenda of achieving SDG No. 11 on sustainable cities and communities by promoting material substitution strategies in mid-scale housing projects, especially in coastal and high-density urban areas.
🔗 Provenance — このレコードを発見したソース
- openaire https://doi.org/10.1088/1755-1315/1564/1/012035first seen 2026-06-29 04:48:18
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