Demonstrative Study on Development of a Method for Reusable Wall Structure Made of Thinned-Out Japanese Cedar- Design Study of Arc Wooden House

Using wood in construction is one of the best way to reduce the emission of carbon dioxide, because wood is material that fixes carbon dioxide in the long term. Japanese cedar grows up quickly, with low price, but it has been used unpopular in construction in Japan. Because it is less intensity as construction material in comparison to other imported lumbers. We currently developed a construction method for wooden house, which was made of thinned-out Japanese cedar. This material is less intense than other lumbers. However when using this lumber to make a frame and place one by one, we use it as the main structure material. Based on this method, we developed “Design Study Arc Wooden House”. In this study, we divided building construction into 2 parts. First, we used thinned-out Japanese cedar with dimension of 105x105x3000, to get trapezoid frame. Each frame was arranged into a skeleton of the building. Second, we used another size, is that 30x100x3000 to complete arc-shape. By using this, we found the cedar has possibilities for new planning and has a potential value as main structure material.