def calculate_corrected_normalised_rotation(norm_rot, bhr):
    """
    Corrected normalised rotation according to Millen (2015)
    Correction is for shear force
    Normalisation is against pseudo uplift angle
    :param norm_rot: Normalised rotation angle
    :param bhr: Ratio of Foundation width to Effective height of superstructure mass
    :return:
    """
    return norm_rot ** (1 - 0.2 * bhr) * 10 ** (.25 * bhr)