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dai'in-no-koguchi 大陰の虎口 | ||||||
KEY WORD : architecture / castles | ||||||
Also written 大陰虎口. A simple, early form of castle entrance *koguchi 虎口, constructed by cutting a single passageway through an earthen embankment *doi 土居. Usually about 6m (3 *ken 間) wide. The lack of protective features made it very difficult for the castle forces to go out and drive off an enemy, and enemy forces had a direct entry route to the castle. Therefore the dai'in-no-koguchi did not prove effective in battle, and more complex castle entrances were subsequently developed. The first devices to be added were cross-over embankments *kuichigai 喰違, overhanging doors *shitomi 蔀, and barriers or enclosing walls shouheki 障壁. | ||||||
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(C)2001 Japanese Architecture and Art Net Users System. No reproduction or republication without written permission. 掲載のテキスト・写真・イラストなど、全てのコンテンツの無断複製・転載を禁じます。 |
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