A Study on the Regional Characteristics and Determining Factors of Hikimun Folk House Construction Systems in Amami-Oshima

Abstract

In Amami-Oshima, folk houses characterized by "HIKIMUN construction" have remained. This study aims to clarify the regional characteristics of HIKIMUN construction systems and its determining factors. HIKIMUN construction is different from other wooden construction systems of the Japanese main island. Big beams which are dropped into primary posts are called "HIKIMUN".This study shows 10 HIKIMUN folk houses in mountainous, plains, and island areas. According to these survey results, this identified four types of HIKIMUN construction systems, two types of HIKIMUN joints, and three types of floor level joints. The study also clarifies the regional characteristics for each type.