基于二维与三维模型，对同一边坡进行了稳定性考察，计算结果表明：坡硕面荷载的分布范围越小，边坡的安全系数越大，其与二维计算结果相差越大，因此，一般情况下，三维模型的计算结果大于二维模型的计算结果，采用二维模型考察边坡稳定性可能低估了边坡的安全系数。%Based on 2D and 3D model, the stability of the same slope is surveyed. Calculation results show that： the smaller the distribution of slope top load is, the bigger the safety coefficient of slope is, which is different from the 2D calculation results. Therefore, in general, the calculation result of 3D is bigger than 2D. In addition, applying 2D model to survey slope stability may underestimate the safety coefficient of the slope.
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