採掘ではなく育成：熱帯レストランにおけるコンクリート・鉄鋼の低炭素代替としてのハイブリッド竹建築
Grown, Not Mined: Hybrid Bamboo Construction as a Low-Carbon Alternative to Concrete and Steel in a Tropical Restaurant (原題)
Ahmad Syahmi Haikal Adzka, Nia Namirah Hanum
🤖 gxceed AI 要約
日本語
建設業の脱炭素に向け、インドネシア・デポックのレストランを対象に、竹を構造材として用いた実用建築の単一ケースを定性分析した。黒竹を柱、ロープ竹を曲線部材に使い、ijukと籐の結束、陶器被覆コンクリート基礎と金属屋根で湿気対策を行うハイブリッド構法を提示。竹の実現可能性は素材そのものより、樹種選定・接合・防湿の「構成」次第だと再定義する。荷重試験や定量LCAは未実施。
English
A qualitative single-case study of an in-service Indonesian restaurant examines bamboo as a structural alternative to concrete and steel. Black bamboo columns and rope bamboo curved members are joined with ijuk and rattan, while ceramic-clad concrete plinths and a metal roof manage moisture. The paper reframes bamboo feasibility as a matter of configuration—species, hybrid detailing, moisture control—rather than raw material. No load testing or quantitative LCA was conducted.
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GX文脈では、建設分野の脱炭素（ embodied carbon ）や木材・竹などのバイオマス建材の活用に関心が高まる。SSBJや有報でのScope 3・サプライチェーン開示を進める企業にとって、低炭素建材の調達・設計事例として参考になる。ただし定量データがなく、直接的な政策・開示要件との接続は限定的。
In the global GX context
Global disclosure frameworks (ISSB, CSRD) increasingly require embodied carbon reporting in construction. This case offers a qualitative, transferable design logic for low-carbon tropical architecture, but lacks the quantitative LCA data needed for direct use in TCFD/ISSB-aligned reporting. It adds to the growing literature on bio-based materials as a decarbonization lever in emerging markets.
👥 読者別の含意
🔬研究者:低炭素建材の実装研究において、定量LCAや荷重試験の必要性を示す事例として参考になる。
🏢実務担当者:熱帯地域の建設プロジェクトで、竹を構造材に用いる際の樹種選定・防湿ディテールの実務的ヒントを提供する。
🏛政策担当者:建設分野の脱炭素政策において、バイオマス建材の普及には性能評価基準や施工ガイドラインの整備が課題であることを示唆する。
📄 Abstract（原文）
The construction sector is a major source of global carbon emissions, driven largely by cement, whose manufacture accounts for roughly 7–8% of worldwide CO₂. Heavy reliance on energy-intensive, non-renewable concrete and steel intensifies this burden, prompting a search for renewable structural alternatives such as bamboo: fast-growing, renewable, and an active carbon sink. This study evaluates how bamboo performs as an alternative structural material in an in-service commercial building, and how its known limitations are managed. Using a qualitative single-case design at Kampung Kecil Cinere Restaurant, Depok, data were gathered through field observation of 38 dining units (saung), visual documentation of structural details, a management interview, and a literature-based comparison with concrete and steel. The building relies on two local species used by function: black bamboo (Gigantochloa atroviolacea, "Wulung") as load-bearing columns, and rope bamboo (Gigantochloa apus, "Apus") for curved members, joined by traditional ijuk and rattan lashings. Durability, bamboo's main weakness in a hot-humid climate, is managed through a hybrid strategy: ceramic clad concrete plinths isolate columns from moisture, and a metal roof replaced the original thatch while a woven bamboo ceiling preserves the interior. The study's contribution is to reframe bamboo's feasibility as a matter of configuration: species selection, hybrid detailing, and moisture management; rather than of the raw material, offering transferable guidance for low carbon tropical commercial architecture; it did not include load testing or quantitative life cycle carbon assessment.
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.32546/rustic.v6i2.3523first seen 2026-10-12 05:14:42 · last seen 2026-10-14 05:46:07
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