木材建築における輸送が内包炭素に与える影響の実証分析:ノルウェーのケーススタディ
An empirical analysis of transport contributions to embodied carbon in timber construction: case studies from Norway (原題)
Khin Su Su Kyaw, Yongping Liu, Rolf André Bohne, Lizhen Huang
🤖 gxceed AI 要約
日本語
ノルウェー8都市の木造建築を対象に、輸送距離・輸送手段・燃料種を考慮したLCAモデルで内包炭素排出を評価。遠隔地では輸送が総排出の18.1%を占め、電化輸送で最大14.3%削減可能。物流の位置特異性が重要と示唆。
English
This study applies a location-sensitive LCA to assess embodied carbon in timber buildings across eight Norwegian cities, showing transport can contribute up to 18.1% of emissions in remote areas. Electric transport reduces emissions by up to 14.3%, highlighting the need for location-specific logistics in building design.
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
日本の木造建築推進やカーボンニュートラル政策に示唆。輸送距離や電源構成を考慮したLCAの重要性を提示し、地域材活用や輸送効率化の政策立案に貢献。
In the global GX context
Contributes to global LCA methodology by quantifying transport-related embodied carbon in timber construction, relevant for low-carbon building standards and supply chain decarbonization under frameworks like CSRD and ISSB.
👥 読者別の含意
🔬研究者:Provides empirical evidence on transport's role in embodied carbon, informing LCA methodology improvements.
🏢実務担当者:Offers actionable insights for optimizing logistics and transport modes to reduce carbon footprint in construction projects.
🏛政策担当者:Highlights the importance of location-specific factors in building regulations and low-carbon procurement policies.
📄 Abstract(原文)
This study applied a location-sensitive cradle-to-cradle life cycle assessment (LCA) model to evaluate how geography, infrastructure, and accessibility influence the embodied carbon emissions of structural solid wood components used in timber buildings across eight Norwegian cities. By integrating location-specific transport distances, transport modes, and fuel types, the analysis highlights the significance of logistics, particularly stages A4 (delivery to site) and C2 (end of life transport), which are often under-represented in conventional LCA. A scenario-based approach is used to compare alternative transport configurations under different geographic and infrastructure conditions. The results show that transportation in remote locations such as Tromsø can contribute up to 18.1% of total embodied carbon emissions, representing a nineteenfold increase compared with baseline assumptions using a generic 50 km fossil diesel truck distance. Hybrid (truck-rail) transport supported by Norway's low-carbon electricity grid reduces transport-related embodied carbon emissions by up to 10.2%. Across all cases, electric transport yields the lowest emissions, with reductions of up to 14.3%. These findings demonstrate the critical influence of transport distance, mode, and energy mix on embodied carbon emissions and highlight the need for location-specific logistics in early-stage building design and LCA practice for solid wood construction.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1080/17480272.2026.2705410first seen 2026-08-21 04:32:11
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