This study focuses on continuous thoughts of architectural expression in designing several architectures. These thoughts are one of the important methodology for executing works continuously. There are some theories in which architects and architectural critics referred to the importance of these thoughts. For examples, Shozo Baba, who is one of the authoritative editor in architectural journalism, insists that continuous thoughts of architectural expression is essential for architects to leave a mark on society through the long-term creative activity. From these points, this report aims to illustrate continuous thoughts of architectural expression by contemporary Japanese architects. In order to clarify it, design theories on a series of works by one architect on the same design theme are focused.
Firstly the contents of each design theory were analyzed, and several descriptions of the design theme common to a series of works were extracted (Fig. 1). The meanings of these descriptions were classified into five categories, which were “theme on form”, “theme on space”, “theme on composition”, “theme on construction-technology”, and “theme on surrounding environment” (Table 1). Then most of the design theories contained “theme on form”, “theme on space”, “theme on composition”, and “theme on construction-technology”. On the other hand few design theories contained in “theme on surrounding environment”.
Secondly continuous thoughts of architectural expression were analyzed from a viewpoint of two aspects ; one is the relationship among each work’s architectural expression, the other is the way of setting the prototype model of the architectural expression in the process of executing works. The former aspect was classified into three categories, which were “similar”, “different”, and “mixed” (Fig. 2, 3). The later aspect was classified into two categories, which were “deductive way” and “inductive way” (Fig. 4). Then, through analyzing the relationship with both two aspects, following characteristic combinations of both two aspects were found ; firstly “deductive way” and “different”, secondly “inductive way” and “similar”, lastly “inductive way” and “different” (Fig. 5).
Consequently, the relationship between the meanings of design theme and the contents of above two aspects was considered and analyzed totally (Fig. 6). As a result, in each design theme, there are several tendencies on above two aspects were founded. Firstly in “theme on form”, “different” was found largely, regardless of the way of setting the prototype model. Secondly in “theme on space”, four combinations were found ; “deductive way” and “similar”, “deductive way” and “different”, “inductive way” and “similar”, “inductive way” and “mixed”. Thirdly in “theme on composition”, a characteristic combination was found ; “deductive way” and “different”. Lastly in “theme on construction-technology”, two characteristic combinations were found ; “inductive way” and “similar”, “inductive way” and “different”.
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