ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering: Recent submissions
Now showing items 601-620 of 760
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Stochastic Modeling of Geometric Imperfections in Aboveground Storage Tanks for Probabilistic Buckling Capacity Estimation
(American Society of Civil Engineers, 2016)This study develops a methodology to model random geometric imperfections in welded cylindrical aboveground storage tanks (ASTs). Precise modeling of the imperfections in ASTs is important for quantitative assessment of ... -
Lifecycle Multihazard Framework for Assessing Flood Scour and Earthquake Effects on Bridge Failure
(American Society of Civil Engineers, 2016)A lifecycle multihazard framework is proposed to assess the system failure of bridge structures subjected to the combined hazards of flood-induced scour and earthquakes. The framework consists of three major components, ... -
Probabilistic Model for Modal Properties Based on Operational Modal Analysis
(American Society of Civil Engineers, 2016)Operational modal analysis allows one to identify the modal properties (natural frequencies, damping ratios, mode shapes, etc.) of a constructed structure based on output vibration measurements only. For its high economy ... -
Bayesian Approach for the Seismic Fragility Estimation of a Containment Shell Based on the Formation of Through-Wall Cracks
(American Society of Civil Engineers, 2016)The primary containment (PC) in a nuclear power plant provides the last barrier against radiation leakage to the environment. Design specifications fail to assess the performance of a seismically-damaged containment against ... -
Online Noise Identification for Joint State and Parameter Estimation of Nonlinear Systems
(American Society of Civil Engineers, 2016)The quality of structural parameter identification in nonlinear systems using Bayesian estimators, such as the unscented Kalman filter (UKF), depends heavily on the assumptions about the state and observation noise processes. ... -
Uncertainty Quantification of State Estimation in Nonlinear Structural Systems with Application to Seismic Response in Buildings
(American Society of Civil Engineers, 2016)This paper presents the application of Bayesian filtering for the estimation and uncertainty quantification of interstory drifts and shears in partially instrumented buildings. We investigate the performance of four Bayesian ... -
Uncertainty Analysis and Decision-Making in Infrastructure Systems under Climate Change
(American Society of Civil Engineers, 2018) -
Upgrade Decision-Making for Earthquake-Vulnerable Wooden Houses Using Probabilistic Damage Index Functions
(American Society of Civil Engineers, 2018)There is widespread awareness in seismic-prone countries of the necessity to improve the seismic performance of old buildings and houses for disaster mitigation. To support the decision making of house owners regarding ... -
Reliability Analysis by Combining Higher-Order Unscented Transformation and Fourth-Moment Method
(American Society of Civil Engineers, 2018)In this work, the fourth-moment method and the higher-order unscented transformation is combined to calculate the failure probability. The higher-order unscented transformation is used to efficiently estimate the first ... -
Performance-Based Seismic Design of Steel Buildings Using Rigidities of Connections
(American Society of Civil Engineers, 2018)This paper develops a performance-based seismic design (PBSD) procedure specifically for steel structures. Several improved steel connections were proposed to eliminate brittle fractures in welds following the Northridge ... -
Quantitative Framework to Assess Resilience and Risk at the Country Level
(American Society of Civil Engineers, 2018)This paper presents a quantitative method to assess the resilience and the resilience-based risk at the country level. The approach is inspired by the classical risk analysis, in which risk is a function of vulnerability, ... -
Effective Sampling of Spatially Correlated Intensity Maps Using Hazard Quantization: Application to Seismic Events
(American Society of Civil Engineers, 2018)The paper presents a methodology for the selection of an optimal set of stochastic intensity measure (IM) maps representing the regional hazard over a geographic area, which can subsequently be used for the analysis of ... -
Reliability of Linear Systems Subjected to Wind Loads
(American Society of Civil Engineers, 2016)Probabilistic models for wind loads are developed and used to estimate the properties of the responses of linear systems. This analysis involves four steps. First, along-wind, across-wind forces, and torque are represented ... -
Reliability of Technical Systems Estimated by Enhanced Monte Carlo Simulation
(American Society of Civil Engineers, 2018)Computation of the reliability of large technical systems is usually a very difficult problem for realistic systems, and it is generally not possible to calculate the exact reliability. There are many techniques for ... -
Analysis of Wind Pressure Data on Components and Cladding of Low-Rise Buildings
(American Society of Civil Engineers, 2018)This paper presents a methodology for analyzing wind pressure data on cladding and components of low-rise buildings. The aerodynamic force acting on a specified area is obtained by summing up pressure time series measured ... -
Availability-Based Reliability-Centered Maintenance Scheduling: Case Study of Domestic (Building-Integrated) Hot Water Systems
(American Society of Civil Engineers, 2018)This study investigates the availability-based reliability-centered maintenance scheduling of domestic (building-integrated) hot water (DHW) of HVAC systems. The keeping system availability (KSA) method is adopted, which ... -
Robust and Reliability-Based Structural Topology Optimization Using a Continuous Adjoint Method
(American Society of Civil Engineers, 2016)A unified framework for robust and reliability-based structural topology optimization, considering structural model and loading uncertainties, is presented using a continuous adjoint formulation. The topology optimization ... -
Reliability-Based Design Optimization of Frame-Supported Tensile Membrane Structures
(American Society of Civil Engineers, 2017)Due to the inherent flexibility of tensile membrane structures (TMS), they need to remain in a stable equilibrium condition in the presence of gusty winds as well as in their absence. This paper is aimed at the reliability-based ... -
Hybrid Particle Swarm Optimization and K-Means Analysis for Bridge Clustering Based on National Bridge Inventory Data
(American Society of Civil Engineers, 2017)Because of budget constraints for maintaining highway bridges in the United States, it is necessary to accurately monitor bridge structures so that repair and rehabilitation strategies can be performed. In this paper, an ... -
Parametric Statistical Moment Method for Damage Detection and Health Monitoring
(American Society of Civil Engineers, 2016)This paper enriches the statistical moment-based damage detection method with approximate parametric solutions of the stationary second-order moments of nodal displacements and velocity, which are explicitly related to ...