Abstract: A new plastic-damage model for concrete subjected to cyclic loading is developed using the concepts of fracture-energy-based damage and stiffness degradation in continuum damage mechanics. Two damage variables, one for ...

Abstract: A new plastic hinge integration method overcomes the problems with nonobjective response caused by strain-softening behavior in force-based beam–column finite elements. The integration method uses the common concept of a ...

Abstract: The collapse of bridges due to unseating at intermediate (in-span) hinges during recent earthquakes emphasizes the need to provide an adequate number of restrainers to limit the relative displacement between frames in a ...

Abstract: A spatially dense wireless sensor network was designed, developed and installed on a long-span suspension bridge for a

Abstract: An accelerated Newton algorithm based on Krylov subspaces is applied to solving nonlinear equations of structural equilibrium. The algorithm uses a low-rank least-squares analysis to advance the search for equilibrium at ...

Abstract: The stability of a concrete gravity dam against sliding along the interface between the dam base and the foundation rock must be assured in a seismic safety evaluation. The hybrid frequency–time domain procedure is used ...

Abstract: Recent improvements in seismological source modeling, analysis of travel path effects, and characterization of local site effects on strong shaking have led to significant advances in both code-based and more advanced ...

Abstract: System identification analyses are used to evaluate soil-structure interaction effects for 77 strong motion data sets at 57 building sites that encompass a wide range of structural and geotechnical conditions. Kinematic ...