[D14-P-01] Stress Wave Velocity of Japanese Cedar and Japanese Cypress
in Tree and Log

○Masato Suzuki¹, Mariko Yamasaki¹, Yuta Nakagawa¹, Yoshitake Takada², Shimpei Karasawa³, Tsutomu Ikeda⁴, Hitoshi Shirai⁵ (1. Nagoya Univ., 2. Okazaki City, 3. Sourinsya, 4. Okazaki Forestry Cooperative, 5. Shirai Corp)

[D14-P-02] Distribution of density and dynamic Young's modulus within the trunk of Cunninghamia konishii from Taiwan

○Yasutaka Watanabe¹, Ken Yamamoto¹, Masanori Matsuda², Masahide Sakai³, Jeng-Der Chung⁴ (1. Hiroshima Pref., 2. Hiroshima Pref. FPF, 3. Hiroshima Pref.Forestry Division, 4. Taiwan Forestry Research Institute)

[D14-P-03] Variation of Young's modulus in the radial direction within the stem using large-diameter akamatsu logs

○Hirofumi Ido¹, Hideo Kato¹, Erina Kojima¹, Ryutaro Sudo¹ (1. FFPRI)

[D14-P-04] Distribution of young's modulus in cross section of large-diameter Sugi logs grown in Ishikawa prefecture

○Yoji ISHIDA¹, Hiroshi Matsumoto¹ (1. Ishikawa Pref.)

[D14-P-05] bending strength characteristics of producible lumber from large diameter japanese cypress log

○Yoshihiro Tokumaru¹ (1. kumamoto forestry center)

[D14-P-06] Strength properties of Japanese larch large-diameter lumber

○Yuji Okuhara¹, Takahisa Yoshida¹ (1. Nagano Pref.)

[D14-P-07] Evaluation on bending performance of sugi pithless lumber obtained by different sawing methods

○Changgoo Lee¹, Satoshi Nagai¹, Sachiko Asada¹, Hirofumi Ido² (1. Hyogo Pref., 2. FFPRI)

[D14-P-08] Verification of use of Sugi dimension lumber as beams of framework wall construction method (2)
- Comparative verification in case of Sugi dimension lumber in special grade with reference to list of members -

○Hiroaki ARAKI¹, Hiroshi TANAKA¹, Akihiro MATSUMOTO¹, Ryoichi KODAMA¹ (1. Miyazaki Pref.)

[D14-P-09] Strength properties of dimension lumber made from Akamatsu logs

○Hideo KATO¹, Erina Kojima¹, Hirofumi Ido¹, Mariko Yamasaki², Masato Suzuki², Yuta Nakagawa² (1. FFPRI, 2. Nagoya University)

[D14-P-10] Effect of intermediate steaming on shrinkage, warping and strength properties of akamatsu structural lumber for wood frame construction

○Erina Kojima¹, Hideo Kato¹, Hirofumi Ido¹, Masato Suzuki², Yuta Nakagawa², Mariko Yamasaki² (1. FFPRI, 2. Nagoya Univ.)

[D14-P-11] Bending strength properties of glued build-up timber composed of heterogeneous grade using hinoki squares without pith

○Kento Tanaka¹, Motoo Dohi¹ (1. Gifu Pref.)

[D14-P-12] Bending Performances of Horizontal Finger-Jointed Sugi Lumber with Different Thickness – Effects of Loading Direction–

○Miyuki NAKAGAWA¹, Yasushi HIRAMATSU¹, Kenta SHINDO¹, Fumiaki OHKI¹, Atsushi MIYATAKE¹ (1. FFPRI)

[D14-P-13] Adoption the strength calculation to wooden furniture Ⅰ

singo ookawa¹, ○Shu Wada¹ (1. hidasangyo)

Session information

D Mechanical properties