About OHASHI YOSHINORI
About 北海道立林産試験場
About MATSUMOTO KAZUSHIGE
About 北海道立林産試験場
About SATO TSUKASA
About 北海道立林産試験場
About HIRAI TAKURO
About 北海道大学大学院農学研究院
About I beam
About wood based material
About bending load
About creep
About model test
About loading test
About Wood
About Hokkaido
About water content
About production area
About mechanical property
About Wooden structures
About Improved wood
About 木質
About I形梁
About 力学特性
About 曲げ
About クリープ特性