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jouya@ã‰®
KEY WORD :@architecture / folk dwellings
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Lit. upper house. Principal part of farmhouse structure. The central portion of the cross-section of the structural frame in traditional vernacular houses *minka –¯‰Æ. The term is applied to houses with thatched roofs and either diagonal braces and struts *sasu ³Žñ or rafters *taruki ‚–Ø. Jouya is usually defined as the area beneath the principal mainspan beams *jouyabari ã‰®—À, the ends of which are supported by the feet of the diagonal braces or the rafters. The term distinguishes the high central part of the structure from the lower peripheral zone *geya ‰º‰® or *irikawa “ü‘¤, which is formed when the roof is carried down beyond the limits of the jouya to an outer row of short posts *geyabashira ‰º‰®’Œ or *kawabashira ‘¤’Œ. In the cross-section of the most archetypal structural frames, such as that of Hirose L£ House, a 17c farmhouse in Yamanashi prefecture, posts called *jouyabashira ã‰®’Œ stand immediately below each end of the jouyabari, providing direct support. In such cases the arrangement of joua and geya is conceptually similar to the core *moya •ê‰® and periphery *hisashi ›ù construction of Japanese temple and upper-class residential structures. In more complex frames, like that of Kitamura –k‘º House (1687) a farmhouse in Kanagawa prefecture, the jouyabari may project beyond the line of posts, its ends either cantilevered, or supported by struts *tsuka ‘©, erected on a tall lintel sashimono ·•¨ or on short connecting beams *tsunagibari Œq—À, spanning from the geyabashira to the first row of full height posts. The latter arrangement can render the precise boundary of the jouya ambiguous. Some forms of minka construction consist only of the jouya, particularly in Kyushuu ‹ãB.
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REFERENCES:
*dokuritsubashira “Æ—§’Œ
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NOTES
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