Volume 50, Number 1 (2004)

Original articles

Masako Kino, Yoji Ishida, Masaaki Doi, Minoru Fujita
Experimental conditions for quantitative image analysis of wood cell structure III: Precise measurements of wall thickness     1

Katsuyuki Kamei, Yutaka Ishimaru, Ikuho Iida, Yuzo Ishimaru
Effect of preparation methods of samples on mechanical properties of wood I: Effect of period and temperature kept in water, and cooling rate after heating on water-swollen wood     10

Yasuo Kawai, Yoshinori Kobayashi, Yutaka Ishimaru, Misato Norimoto
Hybrid drying with high frequency heating and hot-air under atmospheric pressure VI: Characteristics of water movement in Cryptomeria japonica square lumber during hybrid drying and high temperature drying     18

Guangyuan Chen, Akinori Yamashita, Kuniya Shibaki, Chiaki Tanaka, Yoshihiko Takimoto
Three-dimensional analysis of the work motion using woodworking tools IV: An example of comparison of the drilling motion with a Japanese gimlet (Yotsume-giri) between skilled and no-skilled woodworker     24

Kuniyoshi Yanaga, Tatsuo Mochida, Yoshihisa Sasaki, Takuro Hirai
Allowable margins of nailed joints with structural wood-based panels subjected to lateral forces     30

Shin’ichi Kikuchi
An experimental estimation on ignition temperatures of wood by radiation     37

Note

Hiroyasu Sakata, Kazuhiko Kasai, Satomi Komehana
Tensile and shear tests on beam-column joints with steel connectors for conventional post and beam structures     43

Proceedings of the Society     52


Volume 50, Number 2 (2004)

Review article

Keiji Takabe
Cell wall formation in wood revealed by immunocytochemistry     63

Original articles

Yoko Midorikawa, Minoru Fujita
Experimental conditions for quantitative image analysis of wood cell structure IV: General procedures of Fourier transform image analysis     73

Shigekazu Yagi, Shunichi Matsuda, Akinori Teramura, Hiroaki Yoshida
Acetaldehyde concentration of indoor air in newly constructed wooden residential houses     83

Hitomi Kano, Sakae Shibutani, Kazuo Hayashi, Yasuo Iijima, Shuichi Doi
Effect of high-temperature drying processes on the termite resistance of sugi (Cryptomeria japonica D.Don) heartwood     91

Shin’ichi Kikuchi, Yuji Hasemi
Influence of the surface finishing to the heat release and the flame spreading property of wood     99

Yasuji Kurimoto, Kouko Kano, Osamu Sawabe
Porosity and pore structures of sugi (Cryptomeria japonica D. Don) wood pyrolyzed under different temperature and atmospheres     106

Note

Wensheng Luo, Takeshi Furuno, GuangjieZhao, Qiang Ren
Effects of factors of board preparation on the performance of fire-retardant particleboard     116

Proceedings of the Society     123


Volume 50, Number 3 (2004)

Review article

Kokki Sakai
Bioactivity and production of heartwood components     131

Original articles

Yukie Saito, Saori Takahashi, Satoshi Shida, Takanori Arima
Change of wood in hygroscopicity and dynamic young’s modulus by heat-treated at high temperature     139

Seiichiro Ukyo, Minoru Masuda
Investigation on true stress-strain relation in shear using the digital image correlation method     146

Shiro Aratake, Takanori Arima
Creep of various structural members in ambient conditions II: Estimation of deflections in the future considering the initial moisture content     151

Takashi Higashihara, Toshiro Morooka, Shuichi Hirosawa, Misato Norimoto
The relationship between change of chemical components and permanent fixation of compressed wood by steaming or heating     159

Hiroaki Yoshida, Ai Kimura, Tomoyasu Hatori, Makoto Yamada, Kinji Taki, Masaharu Yamada
Emission behavior of VOCs in a model room finished with sugi-wood     168

Tetsuji Tsujino, Norio Takeuchi, Takuro Hirai
Analyses of the lateral resistances of bolt joints and drift pin joints in timber IV: A preliminary study for applying the rigid bodies-spring models     176

Kuniyuki Kamohara, Keisuke Tokimoto
Selection of Panellus serotinus strains strongly resistant to Trichoderma spp.     183

Proceedings of the Society     193


Volume 50, Number 4 (2004)

Review article

Takato Nakano
Mechanical relaxation and physical properties for wood     203

Original articles

Yukiko Ishikura, Takato Nakano
Changes of elastic modulus with the alkali treatment for woods     214

Hirofumi Ido, Hirofumi Nagao, Hideo Kato
Evaluation of the shear strength of sugi (Cryptomeria japonica) lumber using the full scale block-shear test jig     220

Yoshihiro Kawamura, Noboru Sekino, Hidehiko Yamauchi
Binder-less wood chip insulation panel for building use made from wood processing residues and wastes II: Effect of chip thickness and panel density on the thermal conductivity and resistance against falling impact     228

Akira Tamura, Yositake Fujisawa, Kazuya Iizuka
Longitudinal quantitative variation of heartwood extractives in sugi (Cryptomeria japonica) plus-tree clones     236

Notes

Koji Adachi, Masafumi Inoue, Shuishi Kawai
Liquid impregnation in dry wood using a roller-pressing method II: Effects of specimen sizes and processing variables on the amount of water impregnation     243

Akio Koizumi, Takanobu Sasaki, Yuichi Matsuki
The effects of cure time and humidity cycles on withdrawal strength of the hardwood dowel joints     248

Proceedings of the Society     255


Volume 50, Number 5 (2004)

Review article

Shuzo Sueyoshi
Evaluation of floor impact sound insulating performance of wooden buildings     285

Original articles

Koji Murata, Minoru Masuda, Kuniharu Yokoo
Mitigation of bowing of LVL by alternative lamination of rubberwood and falcata veneer lumber, and its observation of swelling behavior     294

Yoshihiko Hirashima, Mina Sugihara, Yasutoshi Sasaki, Kosei Ando, Mariko Yamasaki
Strength properties of ages wood I: Tensile strength properties of aged wood of Keyaki and Akamatsu     301

Taira Uehara, Makoto Watahiki, Yoshihiko Nishino, Tomoyasu Sakuno
Control of the internal cracks in sugi square lumbers during the high temperature drying: relationships between the inner strains measured by using strain gages and the internal cracks     310

Takumi Fujita, Naotoshi Komatu, Shuichi Kawai
Manufacture and properties of gypsum-bonded particleboard II: Improvement of the bending properties by overlaying non-woven glass fabric     316

Masahiro Matsunaga, Hiroaki Matsui
Super-rapid chemical conversion of sugi wood with supercritical and subcritical water treatment     325

Notes

Xiaoshu Tang, Tetsuya Nakao, Guangjie Zhao
Physical properties of compressed wood varied when it were fixed via different heating pathways getting same recovery     333

Kenji Aoki, Takahiro Tsuchimoto
Estimation of splitting strength on bolted timber joints loaded parallel to wood grain I: Effect of end distance, loading rate, and fundamental properties of the specimens on splitting strength     341

Proceedings of the Society     347


Volume 50, Number 6 (2004)

Review article

Masahiro Samejima, Kiyohiko Igarashi
Recent advances of research on fungal system of cellulose degradation and related enzymes     359

Original articles

Yoshihiko Hirashima, Mina Sugihara, Yasutoshi Sasaki, Kosei Ando, Mariko Yamasaki
Strength properties of aged wood II: Compressive strength properties, shearing strength and hardness of aged Keyaki and Akamatsu woods     368

Masashi Nakamura, Minoru Masuda
Effect of form and amount of wood-members in interior space on psychological images     376

Noboru Nakamura, Kazumi Horie
Calibration of the reliability levels for allowable stress design of wood structures     384

Noboru Nakamura, Kazumi Horie, Yasuo Iijima
Analysis of the strength data of wood structures on limit states design V: Load and resistance factors in serviceability limit states for stress graded lumber     390

Yoshihiro Kawamura, Noboru Sekino, Hidehiko Yamauchi
Binder-less wood chip insulation panel for building use made from wood processing residues and wastes III: Effect of raw material density on thermal conductivity and resistance against falling impact     397

Yukio Kadekaru, Kazuhiko Kinjo, Shiryo Yaga
Biological resistance of Okinawa timbers     404

Shigenobu Arihara, Akemi Umeyama, Shinya Bando, Seiya Kobuke, Shinji Imoto, Mikako Ono, Kazuko Yoshikawa, Katsuaki Amita, Shigeru Hashimoto
Termiticidal constituents of the black-heart of Cryptomeria japonica     413

Proceedings of the Society     422