Differences between stress-based and strain-based criteria are investigated in seismic performance evaluation of the arch dams in time domain. A numerical model of the coupled dam-reservoir-foundation system is prepared with the finite element technique. Reservoir is modeled using the Eulerian approach as a compressible domain, and the foundation rock is assumed to be massless. Dynamic equilibr...

Abstract The stability evaluation of the dams subjected to seismic excitations is really very complex as earthquake response concrete gravity dam depends upon its connection joints with foundation rock. This study presents considering welded contact and friction along dam-foundation rock interface. Friction provided using elements. Two-dimensional finite element model Oued Fodda dam, located in...

Weakly cemented rocks are characterized by low strength, loose structure, and easy disintegration. High-intensity mining activities can damage rupture such rock bodies induce damage, as flaking roofing on roadways. To reveal the intensity influence weakly rocks’ deformation a numerical particle flow model of sandstone was established based theory. Uniaxial compression simulation tests were cond...

• Highlighting the correlation between load capacity and shotcrete thickness. Modelling of local variations in thickness bond strength. Verification material models for interface failure rock. Local weak zones do not have a significant impact on capacity. Fibre reinforced (sprayed concrete) is often used to support tunnels hard The should be designed carry from loose block, which assumed transf...

Rock avalanches and landslides lead to gravitational flow into their runout areas, which poses increasing danger settlement areas infrastructure in the Alpine region as a result of climate change. In recent years, significant increase extreme events has been registered Alps due These changes threat have resulted need for construction sustainable protective structures. Many structures are rigid,...

Abstract Common analytical assessment methods for concrete dams are unlikely to predict material fracture in the dam body because of assumption rigid behavior and uniform- or linear stress distribution along a predetermined failure surface. Hence, probabilistic non-linear finite element analysis, calibrated from scale model tests, was implemented this study investigate impact parameters (modulu...