横おう架か材ざい

noun

horizontal structural member

Technical term in architecture and building engineering for beams, girders, and other horizontal load-bearing elements.

• 横おう架か材ざいの設せっ計けいには、建たて物ものの荷か重じゅうを十じゅう分ぶんに考こう慮りょする必ひつ要ようがある。

  When designing horizontal structural members, it is necessary to fully consider the building's loads.