Influences of Strength Parameters' Polymorphic Distribution on Instability Probability of Slope Based on M-C Method

DOI

10.2991/ifeesm-17.2018.93How to use a DOI?

Keywords

landslide; Monte-Carlo method; instability probability; normal distribution; lognormal distribution

Abstract

The conventional landslide calculation is obtaining a specific stability safety factor by using limit equilibrium method or strength reduction method based on the given strength parameters of soil. Although the M-C(Monte-Carlo) method provides a path to predict instability probability of landslide, in the traditional application of M-C to calculate the probability of landslide failure, the value c, of soils are considered to obey normal distribution. In fact, the value c, obeys various distribution under different kinds of cases. This paper discussed the calculation of landslide failure probability of soil parameters under different distribution types. The results show that the instability probability calculated under the form of normal distribution which the value of c, obeyed is lower than that under the logarithm normal distribution. The proposed method can improved the calculation accuracy of instability probability of landslide and had certain reference value for the calculation of the landslide instability probability.

Copyright

© 2018, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Yi Liu
AU  - Ningyu Zhao
AU  - Kai Chen
PY  - 2018/02
DA  - 2018/02
TI  - Influences of Strength Parameters' Polymorphic Distribution on Instability Probability of Slope Based on M-C Method
BT  - Proceedings of the 2017 3rd International Forum on Energy, Environment Science and Materials (IFEESM 2017)
PB  - Atlantis Press
SP  - 487
EP  - 493
SN  - 2352-5401
UR  - https://doi.org/10.2991/ifeesm-17.2018.93
DO  - 10.2991/ifeesm-17.2018.93
ID  - Liu2018/02
ER  -