Volume 55, Number 1 (2009)

Review article
Toshiro Harada
Progress toward the development of fire-resistant wooden structures in Japan     1

Original articles
Megumi Ishidoh, Futoshi Ishiguri, Kazuya Iizuka, Shinso Yokota, Hidekatsu Ohno, Nobuo Yoshizawa
The evaluation of modulus of elasticity at an early stage of growth in sugi (Cryptomeria japonica) wood using S2 microfibril angle of latewood tracheids as a wood quality indicator     10

Taiichi Iki, Akira Tamura, Naoki Nishioka, Masanobu Abe, Kazuya Iizuka
Longitudinal changes of basic density and non-destructive quality evaluation using the pilodyn in todomatsu (Abies sachalinensis) plus tree clones     18

Nobuhiro Sekine, Tatsuya Ashitani, Tetsuya Murayama, Koichi Ogiyama, Koetsu Takahashi
The bioactive extracts of heartwood of Dalbergia latifolia     29

Notes
Hideki Aoi, The late Nobuhiro Mii, Atsushi Miyatake, Fumio Kamiya
The ratio of working stress to allowable stress of structural members of wooden houses II: Beams of houses built in an area of average snowfall     37

Yoshihiro Tsujimoto, Yuji Imamura
Development of an evaluation method of photo-stability for house interior materials III: Indoor exposure test of wood-based materials for house interiors by transmitted sunlight through window-sash     45

Proceedings of the Society      51


Volume 55, Number 2 (2009)

Review article
Seiji Ohara
Chemical characteristics of bark tannins and their chemical and enzymatic conversions     59

Original articles
Masahiko Toda, Takuya Fujiwara, Yasunobu Noda, Yoshinori Ohashi, Takuro Hirai
Racking performance of floor diaphragms with thick particleboard     69

Shimpei Nakamura, Shinichi Futamura, Kazuya Maeno, Kouzou Yoshitani, Mitsuhiko Tanahashi
Development of stretchable and flexible wood which possesses optimum properties for three-dimensional molding     77

Hirotaka Yoshizawa, Masaaki Yamada, Kinji Taki
Physical properties and wood bonding performance of polyvinyl alcohol with addition of montmorillonite     85

Yoshito Ohtani, Takuro Noguchi, Hideaki Ichiura
Relationship between sugi butt-rot disease and norlignans in the heartwood     92

Note
Yumi Saito, Masaru Nishimaki, Yoshitaka Tatsumi, Sayaka Ono, Mie Kinoshita, Satoshi Sasayama, Kuniaki Saito
Effects of wooden and vinyl interior finishes on stress reduction: Estimate by biological and psychological parameters     101

Proceedings of the Society      108


Volume 55, Number 3 (2009)

Review article
Yuzou Sano
Structure and function of intertracheary pits in hardwood     119

Original articles
Ryouta Tsuchiya, Ikuo Furukawa
The relationship between the maturation age in the size of tracheary elements and the boundary age between the stages of diameter growth in planted poplars     129

Hisaya Miyashita, Haruki Orita, Takatoshi Handa
Evaluation of the wood quality of young Cryptomeria japonica clones     136

Takashi Goto, Shigeo Nakayama, Takashi Ikebuchi, Takeshi Furuno
Effects of forest management using pruning and thinning on wood quality and strength properties of sugi planted in Shimane prefecture II: Relationship between forest management, and visual grading and bending properties of boxed-heart square timbers     146

Kinsaku Nakata, Kohei Komatsu
Development of timber portal frames composed of compressed LVL plates and pins II: Strength properties of compressed LVL joints as moment resisting joints     155

Notes
In-Sun Park, Ryo Funada, Susumu Kondo, Shinya Kajita, Takafumi Kubo
Quantitative determination of magnolol in the callus from petioles and mature seeds of Magnolia obovata     163

Yoshie Terashima, Tomoko Watanabe, Ayuho Suzuki, Norifumi Shirasaka, Takao Terashita
Effect of trehalose added into substrate of Lentinula edodes on emerged fruit bodies I: Relationship between additive amount and yield, trehalose content, freshness preservation and taste evaluation of fruit bodies     170

Proceedings of the Society      176


Volume 55, Number 4 (2009)

Review article
Takao Kishimoto
Synthesis of lignin model compounds and their application to wood research     187

Original articles
Yoshio Kijidani, Ryushi Kitahara
Variation of wood properties with height position in the stems of Obi-sugi cultivars     198

Kinsaku Nakata, Kohei Komatsu
Development of timber portal frames composed of compressed LVL plates and pins III: Strength properties of timber portal frames composed of compressed LVL beam-to-column joints and steel column-to-base joints     207

Yoshinori Ohashi, Kazushige Matsumoto, Tsukasa Sato, Takuro Hirai
Mechanical properties of wooden I-beams with plantation timber materials in Hokkaido III: Shear creep property     217

Takayuki Uchisako, Michio Tokuda
Rational timber frame structure jointed with glass fiber reinforced nylon plate I: Basic shear properties of a drift-pin joint to static loads     226

Takayuki Uchisako, MichioTokuda
Rational timber frame structure jointed with glass fiber reinforced nylon plate II: strength properties of drift-pin joints under static loadings     235

Masanori Kishino, Ryo Taniguchi, Akiko Nakagawa-Izumi, Hiroshi Ohi
Chemical characteristics of wood materials treated with an ionic liquid, 1-n-Butyl-3-methylimidazolium chloride     243

Proceedings of the Society      249


Volume 55, Number 5 (2009)

Original articles
Yoshitaka Kubojima, Isao Kobayashi, Mario Tonosaki, Youki Suzuki
Equilibrium moisture content of Japanese cedar (Cryptomeria japonica) green wood for columns in a high-temperature water vapor environment     279

Hideaki Korai, Masahiko Kobayashi, Atsushi Sumida, Osamu Yasuda, Takayoshi Osada
Effects of ozonization on properties of wood-based board bonded with SBR-PEG adhesive     285

Nan Ling, Naruhito Hori, Akio Takemura
Effect of postcure conditions on the dynamic mechanical behavior of water-based polymer-isocyanate adhesive for wood II: Investigation of polyvinyl alcohol solution and polymeric diphenylmethane diisocyanate model     293

Noriyuki Yamashita, Motoi Machida, Masami Aikawa, Hideki Tatsumoto
Preparation of porous bamboo carbon by low-temperature activation in air     299

Atsunori Numata, Masaho Yoshida, Masanori Hamada
An example of applying wood pile as countermeasure against liquefaction during the 1964 Niigata Earthquake     305

Note
Hirofumi Ido, Hirofumi Nagao, Hideo Kato, Noriyuki Yoshida
Shear tests of glulam with different lamina compositions: Failure modes and shear strength     316

Proceedings of the Society      322


Volume 55, Number 6 (2009)

Original articles
Long Qing, Hideyuki Yokochi, Shiro Ozaki
Optimization of veneer cutting of sugi I: Fundamental investigation of minimum chip thickness     331

Hikari Kikuchi, Toshimitsu Hata, Yuji Imamura
Development of a novel fast pyrolysis reactor with direct pulsed current-heating for wood biomass     339

Kosuke Murai, Ryuichiro Uchida, Atsushi Okubo, Ryuichiro Kondo
Characterization of the oil palm trunk as a material for bio-ethanol production     346

Notes
Hideki Aoi, Atsushi Miyatake, Fumio Kamiya
The ratio of working stress to allowable stress of structural members of wooden houses III: Columns and sill plates of houses built in a heavy snow area     356

Itsuki Watanabe, Takafumi Shimoda, Kozo Nishibori, Jun Shima
Analysis of fermentation inhibition during ball-vibration simultaneous saccharification and fermentation used for ethanol production from spent mushroom culture medium     363

Proceedings of the Society      369