ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering: Recent submissions
Now showing items 441-460 of 760
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Efficient and Comprehensive Time-Dependent Reliability Analysis of Complex Structures by a Parameter State Model
(ASCE, 6/1/2021)A major challenge in a time-dependent reliability analysis is to find a good balance between computational effort, accuracy, and comprehension of the analysis. In this contribution, computational efforts are reduced, and ... -
Accurate Structural Reliability Analysis Using an Improved Line-Sampling-Method-Based Slime Mold Algorithm
(ASCE, 6/1/2021)Line sampling (LS) is a robust and powerful simulation technique to reduce the computational burden provided by Monte Carlo simulation (MCS) for the reliability analysis of engineering structures. However, when dealing ... -
Reliability-Based Probabilistic Safety Evaluation of Seismic Design Approaches for RC–MR Buildings
(ASCE, 6/1/2021)This study evaluates the seismic safety of reinforced concrete moment-resistant (RC–MR) buildings designed with two different methods, i.e., direct displacement based design (DDBD) and conventional force based design ... -
Determining Target Reliability Index of Structures Based on Cost Optimization and Acceptance Criteria for Fatality Risk
(ASCE, 6/1/2021)The target reliability index is pivotal to the design, assessment, inspection, and maintenance of structures. It is commonly determined by cost optimization. However, depending on the method of quantifying fatality cost, ... -
Improvement of Analytic Hierarchy Process Based on Grey Correlation Model and Its Engineering Application
(ASCE, 6/1/2021)The complexity of the pairwise comparison process in the analytic hierarchy process (AHP) and the limitation of consistency are challenges that need to be addressed when there are many evaluation factors. An improved AHP ... -
Parameter Uncertainties in Flood Hazard Analysis of Heavy Rain Events
(ASCE, 6/1/2021)Flooding due to intensive precipitation poses a major threat to lives and property. To deal with the resulting risks, information about flood-prone areas regarding water levels and flow velocities is needed. The flood ... -
Deterministic and Probabilistic Investigations of Piping Occurrence during Tunneling through Spatially Variable Soils
(ASCE, 6/1/2021)Piping is a common phenomenon of seepage failure in underground space construction. Efforts have been made in understanding the mechanism of piping due to seepage gradient force and incorporating these in prediction ... -
Use of Bayesian Model Averaging to Estimate Model Uncertainty for Predicting Strain in a Four-Layered Flexible Pavement
(ASCE, 3/1/2021)Because most of the numerical approaches are intensive in terms of computational effort and time, researchers have resorted to the use of surrogate models. For example, surrogate models for predicting the response of ... -
Reliability Analysis of the Ductile Fracture of Overpacks for High-Level Radioactive Waste in Repository Conditions
(ASCE, 6/1/2021)In France, a deep geological repository project is under development for radioactive waste management. The lack of knowledge from similar facilities and the large time scales involved result in uncertainties about the ... -
Machine Learning Framework for Improving Accuracy of Probe Speed Data
(ASCE, 6/1/2021)A tremendous potential exists for using probe data to support various traffic operations activities. However, limited real-time probe data, especially on arterial roads, have become a barrier to realizing the full potential ... -
Multilevel Decomposition Framework for Reliability Assessment of Assembled Stochastic Linear Structural Systems
(ASCE, 3/1/2021)To reduce the computational cost of assembled stochastic linear structural dynamic systems, a three-staged reduced order model-based framework for forward uncertainty propagation was developed. First, the physical domain ... -
Bayesian Bridge Weigh-in-Motion and Uncertainty Estimation
(ASCE, 3/1/2021)Many researchers have developed bridge weigh-in-motion (BWIM) technology, mainly focusing on the representative value of the estimated axle weights. However, the estimation of the probabilistic distribution of axle weights ... -
Case Study for Quantifying Flood Resilience of Interdependent Building–Roadway Infrastructure Systems
(ASCE, 6/1/2021)Resilience is defined as the ability of a system to withstand and recover to a desired level of performance after the occurrence of a hazard. Community resilience has a significant socioeconomic implication for any disaster. ... -
Causal Graphical Models for Systems-Level Engineering Assessment
(ASCE, 6/1/2021)Systems-level analysis of an engineered structure demands robust scientific and statistical protocols to assess model-driven conclusions that are often nontraditional and causal in their content. The formal mathematical, ... -
Rank and Linear Correlation Differences in Monte Carlo Simulation
(ASCE, 3/1/2021)Monte Carlo simulation is used to quantify and characterize uncertainty in a variety of applications, such as cost and engineering economic analysis and project management. The dependence or correlation between the random ... -
Degradation Data–Driven Analysis for Estimation of the Remaining Useful Life of a Motor
(ASCE, 6/1/2021)Highly dynamic loading conditions on clutch motors used in four-wheeled passenger vehicles cause them to fail quite often. The current diagnostic tools have proven to be inefficient to detect the onset of system degradation. ... -
Assessment of Masonry Compressive Strength in Existing Structures Using a Bayesian Method
(ASCE, 3/1/2021)In comparison to contemporary masonry structures, the material properties of existing masonry often show very high variability. Furthermore, the limited number of material tests in the assessment of existing structures ... -
Impacts of Environment and Individual Factors on Human Premovement Time in Underground Commercial Buildings in China: A Virtual Reality–Based Study
(ASCE, 3/1/2021)The premovement time has been considered a critical factor of safety in building fire evacuations because the casualty of fire disasters is strongly associated with delayed evacuation. In the present study, an immersive ... -
Use of the Probability Transformation Method in Some Random Mechanic Problems
(ASCE, 3/1/2021)This work addresses the use of the probability transformation method (PTM) and of some of its extensions for solving mechanical and structural systems for which the response is modeled as random fields or variables that ... -
Bayesian Methodology for Probabilistic Description of Mechanical Parameters of Masonry Walls
(ASCE, 6/1/2021)In consideration of the high vulnerability of the built environment, the assessment of seismic behavior of existing masonry buildings is a key topic in view of their retrofitting and reuse. Because masonry’s behavior depends ...