Environmental and Economic Evaluation of Wooden and Reinforced Concrete Non-residential Buildings III.

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  • Morii Takuya
    Graduate School of Agricultural and Life Sciences, The University of Tokyo
  • Kawamura Soei
    Graduate School of Agricultural and Life Sciences, The University of Tokyo
  • Watanabe Satoshi
    Graduate School of Agricultural and Life Sciences, The University of Tokyo Present address:Hakuhodo Inc.
  • Inoue Masafumi
    Asian Natural Environmental Science Center, The University of Tokyo

Bibliographic Information

Other Title
  • 木造およびRC造非住宅建築の環境経済評価（第<b>3</b>報）
  • 木造およびRC造非住宅建築の環境経済評価(第3報)産業連関法によるLCAと環境効率指標
  • モクゾウ オヨビ RCズクリ ヒジュウタク ケンチク ノ カンキョウ ケイザイ ヒョウカ(ダイ3ポウ)サンギョウ レンカンホウ ニ ヨル LCA ト カンキョウ コウリツ シヒョウ
  • A comparative analysis of LCA and eco-efficiency indicator based on input-output method
  • 産業連関法によるLCAと環境効率指標

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Abstract

<p>This study verified the economic and environmental benefits of wood utilization for non-residential constructions. The assessments were performed using the 2015 Input-Output Tables for Japan with three models; reinforced concrete construction model (RC model), wooden construction by imported wood use model (Wi model), and wooden construction by domestic wood use model (Wd model). The results showed that in the RC model, the gross added value was 133.2 million yen and greenhouse gas emissions were 1039.2t-CO2eq; in the Wi model, the gross added value was 97.2 million yen and greenhouse gas emissions were 487.7t-CO2eq; and in the Wd model, the gross added value was 122.0 million yen and greenhouse gas emissions were 540.5t-CO2eq. The eco-efficiency indicators and ratios of economic effect to environmental impact were 0.128 in the RC model, 0.199 in the Wi model, and 0.226 in the Wd model, respectively. These results showed the advantages of wooden constructions compared to the reinforced concrete constructions. Finally, this study suggested that promoting the domestic wood utilization could improve eco-efficiency. </p>

Journal

  • Mokuzai Gakkaishi

    Mokuzai Gakkaishi 67 (1), 7-13, 2021-01-25

    The Japan Wood Research Society

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