Abstract The interfaces play a key role in many engineering problems involving geologic materials. In particular, slope stability analyses of ancient landslides (that were subjected to large displacements along slip surface) need the formulation ad hoc interface elements. mechanical response surfaces clays is affected by hydro-chemo-mechanical interactions and rate effects this paper presents a...

Among measures that are used to prevent the triggering of shallow landslides and for erosion control, root reinforcement has spread out widely as its contribution environmental sustainability is high. Although in recent years reliability-based design (RBD) been applied increasingly assessment slope stability address shortcomings deterministic approach (which does not consider geotechnical uncer...

Based on a previous experimental study that we conducted granite joint replicas including thirty direct shear tests, this article proposes to integrate the roughness in Mohr-Coulomb behaviour model (MC). The integrates into constitutive stress-displacement relationships describing mechanical of rock joint. strength is assessed by MC criterion takes account apparent cohesion. This integrating co...

The problem of the choice parameters soil is a difficult task, she requires many experiences. To answer this question, methods identification parameters, based on principle inverse analysis are developed who consist in adjusting numerical model observed experimental data. objective work to apply by using stochastic optimization (genetic algorithm and genetic hybrid with tabu search) identify (G...

Abstract Geothermal energy production often involves use of corrosion inhibitors. We performed rock mechanical experiments (room temperature; confining pressure 10/20/30 MPa) on typical reservoir rocks (Bentheim sandstone and Treuchtlinger limestone) in contact with two different inhibitor solutions or demineralized water. The show no discernible difference strength between inhibitors water, at...

The effective phase change from fluid behaviour to solid behaviour, that too often occurs in granular flow and brings with it such unwelcome events as funnel flows in hoppers and clogging of other material handling devices, is studied using a discrete particle computer simulation of a Couette flow with gravity. This simulation exhibits the full range of granular flow behaviour, from a stagnant ...

Displacement finite element analysis is performed for a cone-penetration test in cohesionless soils. By modelling finite strain in the soil and large scale sliding at the penetrometer–soil interface, a more realistic penetration process is simulated in which the penetrometer is assumed to be rigid and the soil is assumed to be an elastic-perfect-plastic continuum obeying the Mohr–Coulomb criter...

A parametric study was carried out to study the behavior of offshore anchor piles under mooring forces in dense sand using a three dimensional (3-D) finite element model (FEM). The Mohr–Coulomb plastic model has been used to model the soil, and has been calibrated based on the centrifuge tests discussed in a Ph.D. thesis (published by Ramadan in 2011). The selection of model parameters and comp...

Anyone who has built a sandcastle recognizes that the addition of liquid to granular materials increases their stability. However, measurements of this increased stability often conflict with theory and with each other [1–7]. A friction-based Mohr-Coulomb model has been developed [3, 8]. However, it distinguishes between granular friction and inter-particle friction, and uses the former without...