This report ls tQ illustrate how contemporary Japanese architects make a framewerk of concept in し heir deslgn theory wiIh using words of geometrical figures ， for example circle ． rectangle ， cylinder ， and so on ． This domain of geometry is one of the most spread and important general idea to explain the shape of arohiteculre ・ Firstly ， the content of each article was considered and classified into four categories based on its background context for architecture ． Second ［ y． two types of the foml about geometdcal operatbns was cQnsidered from their texts ． One is the forrn of spacial recognition of geometrical figures ；［ planel or ［ solld 亅 ． Another is the for 1 of simplicity in the number and thc variety of geome1rical負gures；Lsingle ］ ， ［ repe 耐 onL and ［ mlxturel ． Finalbthe relationshipbetween 重 he content of background context for architecture and two types of the form was consiClered and ana 且 yzed to田 lly ． KeJwords ／ 9 ． eometry ， geometricalPt ' 9 ． ure ， design theory ， contempora り ， ノapanese architect 幾何 学、幾何 図形 、建築設計論、現代 日本 の 建 築 家

The aim of this study is to clarify the representation method based on construction and design on large span buildings by contemporary Japanese architects. Firstly, the characteristic of segmentation in structure is analyzed by the relationship between structural components and roof shapes. Secondly, the characteristic of segmentation in ceiling surfaces are analyzed by the relationship between types of ceiling materials and positions of ceiling surfaces. Finally, 12 types of segmentation are determined through the combination between previous two characteristics. It is pointed out that large span buildings have three spaces which have the relation between a central part and peripheral parts by segmentation in both structure and ceiling surfaces.

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This report is to illustrate how contemporary Japanese architects construct a conceptual framework in their design theory with a point of view of scale. Scale is one of the most varied and important general conceptions of architecture. In this report, scale is difined as two aspects, size and proportion. Firstly, the content of each article was considered and classified into four categories based on their background context for architecture. Secondly, two forms of architectural thought were considered from their texts -the aspect for spatial recognition; [size], [compound]. Finally, the relationship between the content of background context and two forms of architectural thought was considered and analyzed totally.

Referential relationship and concept of color schemes in contemporary houses are analyzed based on the following three aspects.