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A critical review of conventional and soft computing methods for slope stability analysis

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Abstract

Slope stability is the main attribute of geotechnical engineering systems which can be established by calculating factor of safety, FoS. In this context, there are various existing conventional methods which can be used for slope stability analysis. However, in the era of Artificial Intelligence (AI), the slope stability analysis can be performed using soft computing, SoCom, models which have superior predictive capability in comparison to other methods. SoCom is capable of addressing uncertainty and imprecision and which can be quantified using statistical parameters (viz., R2, RMSE, MAPE, t-stat, etc.). In this context, this review paper mainly focuses on conventional methods viz., Bishop method, Taylor method, Janbu method, Hoek–Brown method, apart from SoCom models viz., SVM, Model Tree, CA, ELM, GRNN, GPR, MARS, MCS, GP, etc. Also, quality assessment parameter like data preprocessing techniques and performance measures have been covered in this paper. Furthermore, merits and limitations of SoCom techniques in comparison to conventional approaches has also been discussed elaborately in this review.

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Abbreviations

SoCom :

Soft computing

FoS :

Factor of safety

β :

Reliability index

CA:

Cubist Algorithm

MARS:

Multivariate adaptive regression splines

ELM:

Extreme learning machines

GPR:

Gaussian process regression

GRNN:

Generalized regression neural networks

MCS:

Monte-Carlo simulation

SVM:

Support vector machine

GP:

Genetic Programming

FN:

Functional network

sd :

Standard deviation

AAE :

Average absolute error

R 2 :

Coefficient of determination

Adj R 2 :

Adjusted coefficient determination

RMSE:

Root mean square error

NS:

Nash–Sutcliffe efficiency

VAF:

Variance account factor

MAE:

Maximum absolute error

MBE:

Mean bias error

WMAE:

Weighted mean absolute error

MAPE:

Mean absolute percentage error

NMBE:

Normalized mean bias error

RPD:

Relative percent difference

LMI:

Legate and McCabe’s Index

U 95 :

Uncertainty at 95% confidence level

α, β :

Slope angle

c :

Cohesion

ϕ :

Angle of internal friction

γ :

Unit weight

τ :

Shear stress

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Funding

High-end Foreign Experts Recruitment Plan of China, DL2021165001L, Zhang, G20200022005, Wengang Zhang, Chongqing Science and Technology Commission, 2019-0045, Wengang Zhang.

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Correspondence to Wengang Zhang.

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Singh, P., Bardhan, A., Han, F. et al. A critical review of conventional and soft computing methods for slope stability analysis. Model. Earth Syst. Environ. 9, 1–17 (2023). https://doi.org/10.1007/s40808-022-01489-1

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  • DOI: https://doi.org/10.1007/s40808-022-01489-1

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