… Wooden stairs are made by fixing steps to beams that span between the upper floors. Depending on how the beams and steps are combined, there are various types of stairs, such as stringer stairs and sasarageta stairs. Stringer stairs are made by hanging two beams with lightning-shaped grooves cut into the sides at an angle, with steps and risers fitted between them, and are the most commonly used in residential buildings. … *Some of the terminology that refers to "side girder stairs" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 木製の階段は上階との間に掛け渡した桁材に段板を固定して構成する。桁材と段板との組合せ方法により側桁(かわげた)階段,簓桁(ささらげた)階段などの種類がある。側桁階段は側面にいなずま状の溝を切り込んだ桁材を斜めに2本掛け渡し,その間に段板と蹴込み板をはめ込んだもので,住宅にもっとも一般的に用いられている。… ※「側桁階段」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 |
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