Uchikomihagi - Uchikomihagi

…By the time the Edo period began, stone walls were built that had almost no gaps between the stones when viewed from the front. This method of construction for stone walls with no gaps was called kirikomihagi, while those with gaps were called uchikomihagi. The slope of the stone walls was also straight when they were still built as unglazed, but as they grew taller, they were given a bow-like sag to gradually transfer the weight from the vertical to the horizontal, and the upper part was made nearly vertical for defense. …

*Some of the terminology that refers to "Uchikomi-hagi" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…江戸時代に入るころには，正面から見て石材相互の間にほとんどすき間のない石垣が作られるようになる。そのようなすき間のない石垣の工法を切込みはぎと呼び，それに対してまだすき間のあるものを打込みはぎと呼んだ。石垣のこう配の形状も，野面の時期には直線であったが，高さが高くなるにつれて，重量を垂直方向からしだいに水平方向へと伝えてゆくために，弓状のたるみを持たせ，上部は防御のために垂直に近くしたものが作られた。…

※「打込みはぎ」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報