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| kidan 基壇 | ||||||
| KEY WORD : architecture / general terms | ||||||
|  A class 
      of platform or podium specially associated with Buddhist temple buildings 
      dating from the 7c-12c. It was first introduced from the *Kudara 百済 (Korean: 
      Paekche) kingdom when Buddhism and its architects came to 
      Japan (mid-6c) along with many other craftsmen. Stone podii were made primarily 
      for temple buildings until the late 12c. A new type of podium, made of a 
      plaster covered mound *kamebara 
      亀腹 under a building that was surrounded by a veranda, gradually replaced 
      the stone podii for temple buildings from the early Heian period. The earliest 
      extant example is Ichijouji *Snajuu-no-tou 一乗寺三重塔 (1171) in Hyougo prefecture. Stone podii are 
      also called *danjouzumi 
      壇上積 and can be divided into two basic types: danjouzumi ichijuu kidan 
      壇上積一重基壇 and danjouzumi nijuu kidan 壇上積二重基壇. The former has one level 
      while the latter has two. The upper platform is called *jousei kidan 
      上成基壇, and the lower one is called kasei kidan 下成基壇. Both have one 
      flight of steps dan-ishi 段石 at the center of each side. The sloping 
      borders along the steps are called *mimi-ishi 
      耳石. The construction site for such podii was prepared with mounds of rubble 
      and several layers of clay piled up to the desired height. Rough stone, 
      or more rarely granite, was used to contain the mound. The site also included 
      ground sills *jifuku-ishi 
      地覆石 that surrounded the mound. Stone posts *tsuka-ishi 
      束石 were erected and stone panels *hame-ishi 
      羽目石 were set between. The top surface was finished with square stones or 
      tiles, or rectangular tiles *shihanjiki 四半敷 that became the floor 
      of the temple building. Finally, border or curb stones *katsura-ishi 
      葛石 covered the edges where the vertical frame and the flooring met. Proto-modern 
      flooring stones were usually set parallel to the length of the building, 
      but by the end of the 12c, they were more frequently diamond shaped *nunojiki 
      布敷 or hexagonal. The podium resembles a Buddhist altar *shumidan 
      須弥壇.  | 
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![]()  a) *katsura-ishi 葛石 b) *tsuka-ishi 束石 c) *jifuku-ishi 地覆石 d) *hame-ishi 羽目石 e) *mimi-ishi 耳石  
Koufukuji Hokuendou 興福寺北円堂 (Nara) ![]() Houryuuji 
        Touin Yumedono 法隆寺東院夢殿 (Nara) 
      
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