Journal of Infrastructure Systems: Recent submissions
Now showing items 141-160 of 1280
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Optimizing Locations of Energy Storage Devices and Speed Profiles for Sustainable Urban Rail Transit
(American Society of Civil Engineers, 2023/03/01)Urban growth and the resulting highway congestion is driving up demand for rail transit. Rail, a significant component of transportation infrastructure, is critical to economic efficiency and is one of the least energy-intensive ... -
Multiobjective Optimization Method for Pavement Segment Grouping in Multiyear Network-Level Planning of Maintenance and Rehabilitation
(American Society of Civil Engineers, 2023/03/01)Pavements often are divided into short segments for data collection, analysis, and management in practice. However, in pavement maintenance and rehabilitation (M&R) planning, it is impractical and uneconomical to create ... -
Policy Gradient–Based Focal Loss to Reduce False Negative Errors of Convolutional Neural Networks for Pavement Crack Segmentation
(American Society of Civil Engineers, 2023/03/01)Convolutional neural networks (CNNs) have achieved tremendous success in pavement crack segmentation. However, it is difficult for CNN-based crack segmentation methods to minimize false-negative and false-positive errors. ... -
Validation of SD Models for the Valuation of Exotic Options in Infrastructure Investment
(American Society of Civil Engineers, 2023/06/01)There has been a significant amount of research related to the valuation of real options that are increasingly complex in terms of payoff structure. In addition, infrastructure procurement is becoming more complex as ... -
Damage Detection of Structures Considering Environmental Variations Based on the Deviation Patterns of Natural Frequencies
(American Society of Civil Engineers, 2023/06/01)The fundamental objective of structural damage detection is to ascertain the presence of damage in the structure under monitoring. Environmental variations (especially temperature) may also cause the aberration of dynamic ... -
Measuring Total Transverse Reference-Free Displacements of Railroad Bridges Using Two Degrees of Freedom: Experimental Validation
(American Society of Civil Engineers, 2023/06/01)Knowing the extent of displacement experienced by railroad bridges when loaded is useful when evaluating the safety and serviceability of the bridge. However, measuring displacements under train crossing events is difficult. ... -
Bridge Infrastructure Management System: Autoencoder Approach for Predicting Bridge Condition Ratings
(American Society of Civil Engineers, 2023/03/01)Being an essential component of our economy, bridges play a vital role in facilitating transportation of people and goods all over the world. Bridge infrastructure systems help in developing an effective way to monitor and ... -
Bundling Road and Railway Infrastructure Operators: Analysis of the Impact on Efficiency
(American Society of Civil Engineers, 2023/03/01)With the increase in the complementarity of road and railway systems and a growing integration of logistical chains, there is an urgent need to coordinate the management of these two often-independent systems. Portugal has ... -
Factors Underpinning the Successful Return of Public–Private Partnership Projects to Public Authority: Assessing the Critical Success Factors of the Transfer Phase of Chinese Water Projects
(American Society of Civil Engineers, 2023/06/01)In China, public–private partnership (PPP) projects consist of six phases, from inception to completion. In the final phase, known as the transfer phase (TP), the project assets are transferred back to the government, and ... -
Resource Allocation Framework for Optimizing Long-Term Infrastructure Network Resilience
(American Society of Civil Engineers, 2023/03/01)With the increase in frequency and severity of extreme weather events, it is essential to incorporate the resilience of infrastructure networks into the decision-making process of resource allocation for maintenance planning. ... -
Automated Detection and Characterization of Cracks on Concrete Using Laser Scanning
(American Society of Civil Engineers, 2023/06/01)Accurate crack detection and characterization on concrete are essential for the maintenance, safety, and serviceability of various infrastructures. In this paper, an innovative approach was developed to automatically measure ... -
Statistical Data Analysis for Trackway Asset Management Using Low-Level Nonconformance Rates
(American Society of Civil Engineers, 2023/03/01)Well-documented conditions of the country’s subway systems suggest that the development of a management strategy for aging infrastructure is an important asset management challenge. The purpose of this work is to address ... -
Spatiotemporal Vulnerability Analysis of Large-Scale Infrastructure Systems under Cascading Failures: Case of Water Distribution Networks
(American Society of Civil Engineers, 2023/06/01)Large-scale water distribution networks (WDNs) are vulnerable to internal faults and external attacks. When exposed to various types of natural or artificial disasters, a glitch may trigger cascading failures and even ... -
Prioritizing Road Network Restorative Interventions Using a Discrete Particle Swarm Optimization
(ASCE, 2022/12/01)One of the main challenges in the postdisaster management of large transportation networks involves the determination of the priority and the level of service recovery for each damaged asset in the network. Presently, the ... -
Early Termination Mechanism of Public–Private Partnership Transportation Projects with Government Guarantee
(ASCE, 2022/12/01)Governments typically provide some form of guarantee to ensure the financial viability of public–private partnership (PPP) projects confronted with traffic demand shortage. Although a number of studies have analyzed the ... -
Postdisaster Recovery Planning for Interdependent Infrastructure Systems Prioritizing the Functionality of Healthcare Facilities
(ASCE, 2022/12/01)Critical facilities such as hospitals rely heavily on the functioning of complex infrastructure systems to perform efficiently. After a disaster, the functionality of these facilities is impaired because the infrastructure ... -
IRI Estimation Based on Pavement Distress Type, Density, and Severity: Efficacy of Machine Learning and Statistical Techniques
(ASCE, 2022/12/01)The International Roughness Index (IRI) is widely used in evaluating pavement condition, making repair decisions, assessing ride comfort, and estimating vehicle operating costs. However, it is generally costly to measure ... -
Image Processing–Based Framework for Determining Deterioration in Sewer Pipe Defects
(ASCE, 2022/12/01)Municipal drainage systems play a key role in public health and are considered one of the main components of every modern city’s infrastructure. However, as a drainage system ages, its pipes gradually deteriorate at rates ... -
Performance Forecasts of US Highway Bridge Networks Using Generalized
(ASCE, 2022/12/01)Performance forecasts of highway bridge networks are informative inputs for -
Interdependent Infrastructures as a Multiteam System: Enhancing Resilience
(ASCE, 2022/12/01)Infrastructure systems such as water, electricity, gas, and so on are interdependent complex sociotechnical systems. As such, understanding the human or social component of these systems is critical for increasing resilience. ...