This report describes the damage to lifelines caused by the 1995 Hanshin-Awaji (Kobe) earthquake in Japan. It begins with a summary of the earthquake's seismological characteristics which is followed by separate chapters ...

To assess performance of culverts during earthquakes, the authors reviewed reports from six earthquakes, interviewed highway officials in areas shaken by four earthquakes, and conducted field investigations in epicental ...

A study of the dynamic impedances of horizontally excited, radially inhomogeneous, infinite viscoelastic soil layers with a circular hole, and of piles embedded in a medium represented by such layers is made considering ...

Refined versions of the instantaneous optimal control algorithms for nonlinear or inelastic systems are proposed. Their advantage is that the control vector is determined directly from the measured response state vector ...

Two hysteretic models (a polygonal model and a smooth model) for inelastic behavior of macro-models of structural components are developed. These models can simulate the deteriorating behavior of strength, stiffness, and ...

This report summarizes significant modeling and program enhancements to the computer code, IDARC (see NCEER-87-0008) for inelastic damage analysis of reinforced concrete frame-wall structures. As described here, IDARC is ...

This report summarizes recent enhancements to the IDARC computer program which has been and continues to be developed for the analysis of earthquake-induced damage to inelastic reinforced concrete structures. This report ...

This report details the independent review of the results obtained from each of the studies conducted under the four-year MCEER research project on the "Seismic Vulnerability of New Highway Construction" and assesses the ...

Recently, instantaneous optimal control algorithms have been proposed and developed for applications to control seismic-excited linear, nonlinear and hysteretic structural systems. In particular, these control algorithms ...