noun
overconsolidation ratio; OCR
Technical term in soil mechanics and geotechnical engineering. Refers to the ratio of the maximum past effective stress to the current effective stress.
過圧密比が大きいほど、粘土の強度は高くなる傾向がある。
The larger the overconsolidation ratio, the higher the strength of the clay tends to be.
この地盤の過圧密比を求めるために、圧密試験を行った。
A consolidation test was conducted to determine the overconsolidation ratio of this ground.
Compound of 過 (excessive), 圧密 (consolidation), and 比 (ratio). A direct translation of the English term 'overconsolidation ratio'.