| Summary: | The first Japanese Antarctic Research Expedition build 3 prefabricated huts at Showa Station in January 1957. They were the first prefabricated huts of Japan. One hut was dismantled in January 1981 and brought to Japan. And some tests on the deterioration of building materials were practiced in Department of Architecture, Nihon University and some other places. The results indicated no appreciable deterioration of building materials. This time, a racking test of a building panel and a discussion on thermal conductivity from dewing point of view are practiced. Test result indicate, the panel has good shear resistance and very good efficency in reconstruction process. But to prevent of dewing, in or surface of a panel, more effective or thick thermal insulator is recommend for future use. departmental bulletin paper
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