JAPANESE SUBJECT ABOUT SUSTAINABILITY OF STEEL AND STEEL BUILDING

摘要

In these days, steel buildings are the most popular structural system for building construction in Japan and they are used for various purposes, which is one of the many advantages of steel structure. Regarding the global environmental problem, Japanese building industry has a large impact, discharging a huge amount of CO_2 and construction waste. In order to diminish the environmental burden of buildings, the concept of sustainable building is suggested. As for steel buildings, steel, which is the major construction material, has been recycled, not treated as waste but valuable material. From this point of view, it is safely said that steel buildings have large sustainability However, in order to increase the sustainability of steel building further, it is necessary to promote extending the service life of buildings, recycling of construction materials and reuse of components and members. As an example of sustainable building, development of Support-Infill house is also important.