主しゅ働どう土ど圧あつ係けい数すう

noun

coefficient of active earth pressure

Technical term used in civil engineering and soil mechanics. Refers to the ratio of horizontal to vertical effective stress when a soil mass is allowed to yield sufficiently to mobilize its shear strength.

• 主しゅ働どう土ど圧あつ係けい数すうは、擁よう壁へきの設せっ計けいにおいて重じゅう要ようなパラメータです。

  The coefficient of active earth pressure is an important parameter in retaining wall design.