Difference between revisions of "Walls"

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<i>Dobei</i> are the white walls you commonly see at castles.  They are the simplest and most inexpensive defenses available. Dobei originally lined the top of most moats, stone walls and encircled most of the baileys linking together gates and yagura. Many castles had at least one kilometer of walls and Edo Castle had more than 10km.  Despite the fact that there were so many such walls during the Edo Period, if you added up all the extant walls today you would only find a little over a kilometer. The majority of extant walls are at Himeji Castle and the longest single extant section is the Nagabei at Kumamoto Castle. These walls evolved from simple structures of wooden planks nailed to a fence.  The walls were strengthened and thickened to prevent arrows from piercing them, to prevent fire and later to prevent bullets from easily passing through.
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''Dobei'' are the white walls you commonly see at castles.  They are the simplest and most inexpensive defenses available. Dobei originally lined the top of most moats, stone walls and encircled most of the baileys linking together gates and yagura. Many castles had at least one kilometer of walls and Edo Castle had more than 10km.  Despite the fact that there were so many such walls during the Edo Period, if you added up all the extant walls today you would only find a little over a kilometer. The majority of extant walls are at Himeji Castle and the longest single extant section is the Nagabei at Kumamoto Castle. These walls evolved from simple structures of wooden planks nailed to a fence.  The walls were strengthened and thickened to prevent arrows from piercing them, to prevent fire and later to prevent bullets from easily passing through.
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[[file:sakasai15.jpg|150px]]
  
 
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Revision as of 13:29, 29 October 2017

Walls / 塀

This is a subtype of Features

Dobei are the white walls you commonly see at castles. They are the simplest and most inexpensive defenses available. Dobei originally lined the top of most moats, stone walls and encircled most of the baileys linking together gates and yagura. Many castles had at least one kilometer of walls and Edo Castle had more than 10km. Despite the fact that there were so many such walls during the Edo Period, if you added up all the extant walls today you would only find a little over a kilometer. The majority of extant walls are at Himeji Castle and the longest single extant section is the Nagabei at Kumamoto Castle. These walls evolved from simple structures of wooden planks nailed to a fence. The walls were strengthened and thickened to prevent arrows from piercing them, to prevent fire and later to prevent bullets from easily passing through.

Nagoya11.jpg Kanazawa19.jpg Kofu5.jpg Sakasai15.jpg

<a href="/castle/profile/32-Himeji-Castle"><img src="http://media.jcastle.info/images/resource/dobei/dobei5.jpg"></a>Himeji Castle <a href="/photos/view/1052"><img src="http://media.jcastle.info/images/kanazawa/kanazawa19-h.jpg"></a>Kanazawa Castle <a href="/photos/view/181"><img src="http://media.jcastle.info/images/kofu/kofu5-h.jpg"></a>Kofu Castle <a href="/photos/view/1051"><img src="http://media.jcastle.info/images/sakasai/sakasai15-h.jpg"></a>Sakasai Castle <a href="/photos/view/662"><img src="http://media.jcastle.info/images/resource/dobei/takashima-hei.jpg"></a>Takashima Castle


Structure

Dobei walls are built by erecting pillars approximately 1.5 meters apart. In between the pillars is a lattice of bamboo or wood strips. Mud and clay were then layered over this lattice up to about 20cm thick. The clay was often mixed with some strong Japanese grass (wara) for added strength and to prevent cracks. Earlier forms of these walls were not covered in plaster which gave them a sandy yellow color. In the picture above from Sakasai Castle you can see a wall with no plaster that shows this yellow color and you can also make out some grasses embedded in the clay. Edo Period dobei were usually covered in hard white plaster which increased their strength and helped prevent weathering. Atop the wall they had tile roofs and often had loopholes for firing arrows or guns. Walls also frequently had support posts behind them to increase their strength especially for walls along the top of stone walls or other places where the foundation was not as solid. Some walls also contained strategically placed rock chutes to drop rocks on attackers. Click the pictures below to enlarge these displays of wall construction.

<a href="/images/resource/dobei/dobei3.jpg" rel="lightbox-d" title="display at Utsunomiya Castle"><img src="http://media.jcastle.info/images/resource/dobei/dobei3s.jpg"></a>Display at Utsunomiya Castle <a href="/images/resource/dobei/dobei1.jpg" rel="lightbox-d" title="display at Kanazawa Castle"><img src="http://media.jcastle.info/images/resource/dobei/dobei1s.jpg"></a>Display at Kanazawa Castle <a href="/images/resource/dobei/dobei2.jpg" rel="lightbox-d" title="display at Odawara Castle"><img src="http://media.jcastle.info/images/resource/dobei/dobei2s.jpg"></a>Display at Odawara Castle
<a href="/images/resource/dobei/dobei4.jpg" rel="lightbox-d" title="display at Utsunomiya Castle"><img src="http://media.jcastle.info/images/resource/dobei/dobei4s.jpg"></a>Display at Utsunomiya Castle

Variations

There are some extant variations of these walls that can be divided into neribei and tuijibei. Neither of these have the kind of wooden pillars or interior framework of the usual walls. Neribei are constructed from dried clay bricks or old tiles that are mortared together with clay and covered with a layer of hard plaster. Neribei were employed at Himeji and Bitchu Matsuyama castles to quickly build some walls.

Tuijibei are made from pounding a mixture sand and clay in 3-5 cm layers. They are about 1 meter thick and up to 3 meters tall. They have a distinctive wooden framework on the outside and are topped with a tile roof. These are very strong walls, but their thickness makes it impossible to build in loopholes and they are very time and labor intensive to build. For these reasons they were not commonly used at castles. There is a small section by the Mizu no Ichi gate at Himeji Castle and the Ninomaru of Nijo Castle is surrounded by impressive Tsuijibei.

<a href="/photos/view/211-Himeji-Castle"><img src="http://media.jcastle.info/images/himeji/himeji7-h.jpg"></a>Himeji Castle <a href="/photos/view/1050-Nijo-Castle"><img src="http://media.jcastle.info/images/nijo/nijo17-h.jpg"></a>Nijo Castle


Loopholes sama (狭間)

Loopholes were holes built into the walls for firing arrows or guns. These are an important defensive structure and we see records of them dating back to the Heian Period. Loopholes designed for arrows were generally rectangles on end and those for firearms were circles, triangles, or squares. Some loopholes were hidden by a door or plug that matched the surface on the outside to prevent detection by attackers. These are called kakushizama.

<img src="http://media.jcastle.info/images/resource/dobei/hei-sama.jpg"></a>3 loophole types at Himeji Castle <img src="http://media.jcastle.info/images/resource/dobei/kakushizama.jpg"></a>Hidden loophole at Hikone Castle

Castles with Walls

  1. Aizu Wakamatsu Castle
  2. Akashi Castle
  3. Akita Castle
  4. Akizuki Castle
  5. Ako Castle
  6. Amagajo
  7. Amagasaki Castle
  8. Aoyagi Castle
  9. Asuke Castle
  10. Bitchu Matsuyama Castle
  11. Echizen Katsuyama Castle
  12. Edo Castle
  13. Ema Yakata
  14. Fukuchiyama Castle
  15. Fukui Castle
  16. Fukuyama Castle
  17. Funai Castle
  18. Fushimi Castle
  19. Ganjaku Castle
  20. Gujo Hachiman Castle
  21. Hachigata Castle
  22. Hagi Castle
  23. Hanamaki Castle
  24. Hikone Castle
  25. Himeji Castle
  26. Hirosaki Castle
  27. Hiroshima Castle
  28. Hotta no Saku
  29. Ichijodani Castle
  30. Iga Ueno Castle
  31. Ikeda Castle
  32. Imabari Castle
  33. Iwamura Castle
  34. Iyo Matsuyama Castle
  35. Izushi Castle
  36. Kakegawa Castle
  37. Kaminoyama Castle
  38. Kamioka Castle
  39. Kanazawa Castle
  40. Kawahara Castle
  41. Kishiwada Castle
  42. Kiyosu Castle
  43. Kofu Castle
  44. Kokura Castle
  45. Kumamoto Castle
  46. Marugame Castle
  47. Maruoka Castle
  48. Matsue Castle
  49. Matsumae Castle
  50. Matsumoto Castle
  51. Matsushiro Castle
  52. Minakuchi Castle
  53. Nagoya Castle
  54. Nakatsu Castle
  55. Ne Castle
  56. Nihonmatsu Castle
  57. Nijo Castle
  58. Nishio Castle
  59. Obata Jin'ya
  60. Obi Castle
  61. Odawara Castle
  62. Ogaki Castle
  63. Oguchi Castle
  64. Okayama Castle
  65. Osaka Castle
  66. Oshi Castle
  67. Otaki Castle
  68. Saga Castle
  69. Sakasai Castle
  70. Sannohe Castle
  71. Sasayama Castle
  72. Sekiyado Castle
  73. Sendai Castle
  74. Shibata Castle
  75. Shimabara Castle
  76. Shirakawa Castle
  77. Shiroishi Castle
  78. Shiwa Castle
  79. Sonobe Castle
  80. Sunpu Castle
  81. Takada Castle (Niigata)
  82. Takamatsu Castle
  83. Takane Castle
  84. Takasaki Castle
  85. Takashima Castle
  86. Takayama Jin'ya
  87. Tanabe Castle
  88. Tanaka Castle
  89. Tatebayashi Castle
  90. Tatsuno Castle
  91. Tatsuoka Castle
  92. Tomioka Castle
  93. Torigoe Castle
  94. Toyama Castle
  95. Tsu Castle
  96. Tsuchiura Castle
  97. Tsukikuma Castle
  98. Tsutsujigasaki Palace
  99. Tsuyama Castle
  100. Ueda Castle
  101. Usuki Castle
  102. Utsunomiya Castle
  103. Wakayama Castle
  104. Yamagata Castle
  105. Yamato Koriyama Castle
  106. Yuzuki Castle
  107. Zeze Castle
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