《国际岩石力学期刊》刊登了“基于简化的三维Janbu法和Hovland法的三维边坡稳定分析方法的评估”

作者：Aly Ahmed，Keizo Ugai，Qing Qing Yang

刊物：国际岩石力学期刊, 12卷第2期，81-89页

关键字：边坡稳定性；三维；安全系数；Hovland 法；简化的三维Janbu法

摘要：本文对由平面滑裂面组成几个理想滑裂体在进行了三维边坡稳定分析之后的安全系数进行了评估，并利用以Hovland 法、三维简化的Janbu法为基础的所计算的三维安全系数进行了比较。并调查了包括水压力、水平地震力、滑裂面改变的坡降、滑裂面变化的横向坡降和锚固力等参数对安全系数的影响。研究结果表示：Hovland 方法得到的安全系数比精确的计算值偏小，特别是滑坡沿着滑裂面狭窄的失效宽度和高水压力的情况。然而，简化的三维Janbu方法得到的安全系数与精确的计算值相同。

Assessment of 3D Slope Stability Analysis Methods Based on 3D Simplified Janbu and Hovland Methods

Author:Aly Ahmed; Keizo Ugai; and Qing Qing Yang

Journal: International Journal of Geomechanics，Volume 12，81-89

Key words: Slope stability, Three-dimensional, Safety factor, Hovland method, 3D simplified Janbu method

Abstract: An assessment of three-dimensional slope stability analysis methods in terms of safety factors using several idealized sliding masses composed of plane sliding surfaces was made. Three-dimensional safety factors were calculated and compared for different study cases considered in this study on the basis of the exact solution methods, the Hovland method, and the 3D simplified Janbu method. Parameters investigated in this study included the effect of water pressure, horizontal seismic force, the changing gradient of a sliding surface, the changing lateral gradient of a sliding surface, and anchor force. Results showed that the Hovland method gives smaller safety factor values compared to the exact solutions, especially in cases of narrow failure width and high water pressure along sliding surfaces whereas the 3D simplified Janbu method gives the same safety factor values as the exact solutions

原文链接：http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29GM.1943-5622.0000117