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Orthogonal Effects in Seismic Analysis of Skewed Bridges
Publisher: American Society of Civil Engineers
Abstract: In seismic analysis of bridges, the designer chooses the direction of the applied earthquake forces arbitrarily. This paper investigates the effects of seismic force direction on the responses of slab-girder skewed bridges ...
Evaluation of Combination Rules for Orthogonal Seismic Demands in Nonlinear Time History Analysis of Bridges
Publisher: American Society of Civil Engineers
Abstract: One of the parameters that directly affects the seismic demand on a bridge is the excitation angle of the ground motion. Since analyzing a bridge with all possible excitation angles is impractical, combination rules have ...
Probabilistic Demand Models and Fragility Estimates for Bridges Elevated with Steel Pedestals
Publisher: American Society of Civil Engineers
Abstract: Probabilistic seismic demand models are developed for bridges elevated with steel pedestals by adding correction and error terms to commonly used models. Separate probabilistic demand models are developed for the force ...
Probabilistic Capacity Models and Fragility Estimates for Steel Pedestals Used to Elevate Bridges
Publisher: American Society of Civil Engineers
Abstract: Using steel pedestals has become an effective method for elevating simply supported bridges in the United States. However, a method is needed to estimate their lateral load capacity and probability of failure subjected to ...
Influence of Thermomechanical Parameters on the Hot Deformation Behavior of AA1070
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The experimental stress–strain data from isothermal hot compression tests, in a wide range of temperatures (350–500 آ°C) and strain rates (0.005–0.5 s−1), were employed to develop constitutive equations in a ...
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