The coefficient of lateral earth pressure, K, is defined as the ratio of the horizontal effective stress, σ’h, to the vertical effective stress, σ’v. The effective stress is the intergranular stress calculated by subtracting … See more

In this article, the following variables in the equations are defined as follows:
OCR Overconsolidation ratio β Angle of the backslope measured to the horizontal δ Wall friction angle θ Angle of the wall measured t… See more