FAQ

What is the Coefficient of Active Pressure?
Coefficient of Active Pressure is the ratio of horizontal and vertical principal effective stresses when a retaining wall moves away (by a small amount) from the retained soil.
Can the Coefficient of Active Pressure be negative?
{YesorNo}, the Coefficient of Active Pressure, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.
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