抄録
To address the problem of the global warming, using a lot of wood and making a forest active are one of the problems to be solved. Utilization of wood has a long history and wood piles had been used as a foundation of structure until around 1950 in Japan. After the 1950's, the amount of cement and steel production dramatically increased instead of wood. Reconsideration of how the wood can be used for construction would therefore be one of the countermeasures of global warming for the future. However, since one of the reasons for not using the wood as a foundation of structure these days is decay, investigation for the decay of wood as a foundation of structure should be carried out. For this reason, an investigation of a dug up wood pile which was used as a fence for 26 years in Iwamizawa city in Hokkaido is carried out.
