nunozuki 布築
KEY WORD : architecture / castles
Lit. cloth construction. Ashlar construction. Also termed nunozumi 布積 (cloth piling). A technique used in dry stone wall *ishigaki 石垣 , construction, where rectangularly hewn stones are laid sideways in even horizontal rows. The width of the stones varies, but their heights are perfectly aligned. Horizontal gaps are filled with smaller stones called tomogai-ishi 友飼石. Nunozuki is the most common technique used to build the majority of Japanese castle walls. The pattern created by joints between stones is called yaburemeji 破目地. Sometimes the stones are carefully squared off, horizontally as well as vertically, giving even rows resembling a brick facade. These tight fitting stones with even faces leave little room for attackers to find foot and hand holds for climbing assaults. The pattern created by joints is called yatsume meji 八目目地. This construction technique was used mainly for the foundations of castle gates, towers *yagura 櫓, and the lower sections of the parapets.



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