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Geotechnical and Geological Engineering

Erschienen in:

01.04.2022 | Original Paper

A Pseudo-dynamic Approach for Seismic Stability Analysis of Rock Slopes in Hoek–Brown Media

verfasst von: Bowen Wang, Tingting Li, Zhibin Sun, Yongxin Li, Chaoqun Hou

Erschienen in: Geotechnical and Geological Engineering | Ausgabe 7/2022

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Abstract

Earthquake is a major trigger for failure of rock slope in seismically active regions. This study presents a novel pseudo-dynamic approach for predicting the seismic stability of slopes in Hoek–Brown rock masses, in which the earthquake effect is characterized by a sinusoidal seismic wave with a motion amplification behavior. The discretization kinematic analysis combined with generalized tangent technique is also used to construct the failure mechanism of the rotation sliding of seismic slopes. The methodology was validated through comparison with published results and numerical simulation. The effect of temporal and spatial varying of seismic waves on slope stability was investigated. The results indicate that the pseudo-static approach may over or underestimate the stability of rock slopes. The pseudo-dynamic analysis is recommended to provide a more meaningful solution of safety factors. A parametric study was also carried out to explore the effect of rock strength, slope geometry, and earthquake parameters.

Vorheriger Artikel Assessment of Rock Aggregate Quality Through Fuzzy Inference System

Nächster Artikel Mechanical Analysis of Dynamic Disturbances and Static Stress with Different Mining Methods

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Titel: A Pseudo-dynamic Approach for Seismic Stability Analysis of Rock Slopes in Hoek–Brown Media
verfasst von: Bowen Wang
Tingting Li
Zhibin Sun
Yongxin Li
Chaoqun Hou
Publikationsdatum: 01.04.2022
Verlag: Springer International Publishing
Erschienen in: Geotechnical and Geological Engineering / Ausgabe 7/2022
Print ISSN: 0960-3182
Elektronische ISSN: 1573-1529
DOI: https://doi.org/10.1007/s10706-022-02120-x

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