Nov 30, 2010
The lateral behavior and stability of bridge column rebar cages were investigated to reduce the potential of failure and collapse during construction. Rebar cages are temporary structures made of longitudinal and transverse reinforcing bars that are connected by tie...
Aug 16, 2010
Caltrans’ Toll Bridge Seismic Retrofit Program involved performing vulnerability assessments and retrofit designs for the state-owned toll bridges. To determine bridge response and evaluate seismic performance, a finite element model of each toll bridge was created...
Jul 29, 2010
In the current state-of-practice of the performance-based design of structures, simplified procedures are often used to evaluate the deformation capacity of structural systems. One specific example is using the rotation limits for the deformation-controlled elements....
Mar 7, 2010
In this paper we focus on the optimal placement of sensors for state estimation-based continuous health monitoring of structures using three approaches. The first aims to minimize the static estimation error of the structure deflections, using the linear stiffness...
Mar 1, 2010
Bridges are an important societal resource used to carry vehicular traffic within a transportation network. As such, the economic impact of the failure of a bridge is high; the recent failure of the I-35W Bridge in Minnesota (2007) serves as a poignant example....
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