いわゆる『木砕之注文』(『寿彭覚書』)における木割体系の特質

抄録

This paper is the pursuit of "THE KIWARI SYSTEM OF JUHO KIWARI NOTE". In this paper, we introduce the words, "kozukuri", "kikudaki" and "kinosei" as medieval words, which mean "kiwari" Japanese traditional modular coordination. Simultaneously, we examine the definition and the historical background of "daimen" and "komen" as modules in the medieval "kiwari" system found in "Juho Kiwari Note". As a result, we draw out the following conclusion ; the "daimen" module equals one side of the octagonal base of a prismatic pillar, on the other hand, the "komen" module is a 45 orthogonal projection of "daimen" (komen=daimen×√<2>/2). In our opinion, this concept of modules is thought to come from using octagonal pillars, in the case of cylindric pillars, the "daimen" reveals the square based prism of the timber plank used for making the pillar since ancient times. For survey on later periods, we do not identify "daimen" and "komen" modules, however, we mention the appearance of a new module named "men" specially for residences in the Azuch Momoyama period, generating the gradual disappearance of the "daimen" and komen" proportion in "kiwari" system.