Development of construction use of log timber reinforced by wood compression technique

• Project/Area Number: 21880025
• Research Category: Grant-in-Aid for Research Activity Start-up
• Allocation Type: Single-year Grants
• Research Field: Wood science
• Research Institution: Kyoto University
• Principal Investigator: KITAMORI Akihisa Kyoto University, 生存圏研究所, 助教 (10551400)
• Project Period (FY): 2009 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000); Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2009: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
• Keywords: 国産材 / 建築構造・材料 / 間伐材 / 農林水産物 / 軸組構法住宅 / 丸太構法 / 圧縮木材 / 丸太 / 接合部

Research Abstract

In this research, we developed a high strength joint method for construction use of log timber, especially for Japanese cedar wood which has sufficient amount of accumulation in the forest and have demanded useful way of utilization. The improvement of mechanical property was studied by compressed wood technique. As a result we introduced formulas to express the various improved strength property of compressed wood and evaluated their dimension stability characteristic. In addition we developed the end connection using pipe and drift-pin for log timber and it achieved sufficient strength property.

Research Products

• [Journal Article] Mechanical and moisture-dependent swelling properties of compressed Japanese cedar (2011)
  • Author(s): B.Anshari, Z.W.Guan, A.Kitamori, K.Jung, I.Hassel, K.Komatsu
  • Journal Title: Construction and Building Materials vol.25 Pages: 1718-1725
  • Peer Reviewed
• [Journal Article] Mechanical and moisture-dependent swelling properties of compressed Japanese cedar (2011)
  • Author(s): B.Anshari, Z.W.Guan, A.Kitamori, K.Jung, I.Hassel, K.Komatsu
  • Journal Title: Construction and Building Materials Volume: 25 Pages: 1718-1725
  • Peer Reviewed
• [Journal Article] 圧縮木材の力学特性に及ぼす圧縮率の影響 (2010)
  • Author(s): 北守顕久, 鄭基浩, 森拓郎, 小松幸平
  • Journal Title: 木材学会誌 vol.56, no.2 Pages: 67-78
  • Peer Reviewed
• [Journal Article] 圧縮木材の力学特性に及ぼす圧縮率の影響 (2010)
  • Author(s): 北守顕久, 鄭基浩, 森拓郎, 小松幸平
  • Journal Title: 木材学会誌 56(2) Pages: 67-78
  • Peer Reviewed
• [Presentation] 丸太と鋼管による貫接合を用いた格子壁の水平せん断耐力評価 (2010)
  • Author(s): 中島昌一, 北守顕久, 小松幸平
  • Organizer: 2010年度日本建築学会大会(北陸)学術講演梗概集
  • Place of Presentation: 富山(富山大学)
  • Year and Date: 2010-09-09
• [Presentation] Mechanical and moisture-dependent swelling properties of compressed Japanese cedar (2010)
  • Author(s): B.Anshari, A.Kitamori, K.Jung, K.Komatsu, Z.W.Guan
  • Organizer: Proceedings of the 11th World Conference on Timber Engineering
  • Place of Presentation: Trentino, Italy
  • Year and Date: 2010-06-20
• [Presentation] トラス構造のための鋼管挿入ドリフトピン接合部の圧縮及び引張実験 (2010)
  • Author(s): 中島昌一, 北守顕久, 小松幸平
  • Organizer: 第60回日本木材学会大会研究発表要旨集
  • Place of Presentation: 宮崎(宮崎市民プラザ)
  • Year and Date: 2010-03-17
• [Presentation] 丸太と足場鋼管を用いた簡易建築物の構築 (2009)
  • Author(s): 中島昌一, 南宗和, 北守顕久, 小松幸平
  • Organizer: 第14回木質構造研究会技術発表会
  • Place of Presentation: 東京(東京大学)
  • Year and Date: 2009-12-13
• [Presentation] 丸太と足場鋼管を用いた簡易建築物の構築 (2009)
  • Author(s): 中島昌一, 南宗和, 北守顕久, 小松幸平
  • Organizer: 第14回木質構造研究会技術発表会
  • Place of Presentation: 東京
  • Year and Date: 2009-12-03
• [Presentation] Utilization of compressed wood as mechanical fasteners of friction joint in timber building (2009)
  • Author(s): Akihisa Kitamori, Kiho Jung, Kohei Komatsu
  • Organizer: The 11th International Conference on Non-Conventional Materials and Technologie
  • Place of Presentation: Bath, UK
  • Year and Date: 2009-09-08