Discussion of “Limit analysis of slopes with cracks: Comparisons of results”

Abstract

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Engineering modelling of the progressive retreat of cliffs

“…Cracks can be the result of a variety of phenomena, for instance exceedance of the ground tensile strength (Michalowski, 2013), the occurrence of differential settlements (Vanicek and Vanicek, 2008), desiccation (Konrad and Ayad, 1997, Dyer et al, 2009, Péron et al, 2009 and freezing (Hales and Roering, 2007) and are often found in cohesive soils and rock slopes. They may cause a significant decrease in the stability of a slope both in static (Michalowski, 2013, Utili, 2013, Utili, 2015, Gao et al, 2015 and seismic conditions (Utili and Abd, 2016). For this reason, the existence of cracks in slopes and their influence on its stability has been addressed before by several researchers (Spencer, 1968, Spencer, 1967.…”