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RISStructural Reliability Applications of Nonstationary Spectral Characteristics
Publisher: American Society of Civil Engineers
Abstract: This paper presents new closed-form analytical approximations to the first-passage problem in structural reliability by using the exact closed-form solutions for the spectral characteristics of nonstationary random processes. ...
Random Vibration Analysis of Dynamic Vehicle-Bridge Interaction Due to Road Unevenness
Publisher: American Society of Civil Engineers
Abstract: Vehicle-bridge interaction has been studied for a long time to investigate the structural behavior of bridges and vehicle ride comfort. An original frequency domain method is presented where the vehicle-bridge interaction ...
Probabilistic Nonlinear Response Analysis of Steel-Concrete Composite Beams
Publisher: American Society of Civil Engineers
Abstract: This paper employs a methodology for probabilistic response analysis based on the first-order second moment (FOSM) method in conjunction with response sensitivity computation through the direct differentiation method (DDM), ...
Nonlinear Seismic Response Analysis of Steel–Concrete Composite Frames
Publisher: American Society of Civil Engineers
Abstract: Frame finite-element models permit obtaining, at moderate computational cost, significant information on the dynamic response behavior of steel–concrete composite (SCC) frame structures. As an extension of conventional ...
New Multidimensional Visualization Technique for Limit-State Surfaces in Nonlinear Finite-Element Reliability Analysis
Publisher: American Society of Civil Engineers
Abstract: Structural reliability problems involving the use of advanced finite-element models of real-world structures are usually defined by limit-states expressed as functions (referred to as limit-state functions) of basic random ...
Handling of Constraints in Finite-Element Response Sensitivity Analysis
Publisher: American Society of Civil Engineers
Abstract: In this paper, the direct differentiation method (DDM) for finite-element (FE) response sensitivity analysis is extended to linear and nonlinear FE models with multi-point constraints (MPCs). The analytical developments ...
Three-Dimensional Seismic Response of Humboldt Bay Bridge-Foundation-Ground System
Publisher: American Society of Civil Engineers
Abstract: Soil-structure interaction may play a major role in the seismic response of a bridge structure. Specifically, soil layers of low stiffness and strength may result in permanent displacement of the abutments and foundations, ...
Sensor Network for Structural Health Monitoring of a Highway Bridge
Publisher: American Society of Civil Engineers
Abstract: A bridge monitoring TestBed is developed as a research environment for sensor networks and related decision-support technologies. A continuous monitoring system, capable of handling a large number of sensor data channels ...
Probabilistic Screening Tool for Ground-Water Contamination Assessment
Publisher: American Society of Civil Engineers
Abstract: This paper presents a methodology for assessing the effects of source-, chemical-, and aquifer-related parameter uncertainty on the response of a semianalytical transport model using first- and second-order reliability ...
Shake-Table Test of a Full-Scale 7-Story Building Slice. Phase I: Rectangular Wall
Publisher: American Society of Civil Engineers
Abstract: This paper is a companion to “Displacement-Based Method of Analysis for Regular Reinforced-Concrete Wall Buildings: Application to a Full-Scale 7-Story Building Slice Tested at UC–San Diego” and presents key results obtained ...