Journal of Infrastructure Systems: Recent submissions
Now showing items 61-80 of 1209
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Resilience Assessment for Streamline Network of Transportation Hub Complex Based on Service Performance
(American Society of Civil Engineers, 2023/06/01)A resilient transportation hub complex affected by a disturbance can maintain minimum performance and rapidly resume operations, while dealing with growing service demands imposed by the unfolding disturbance management. ... -
Key Decision-Making Factors Influencing Bundling Strategies: Analysis of Bundled Infrastructure Projects
(American Society of Civil Engineers, 2023/06/01)Project bundling is the process of awarding a single contract to several infrastructure projects to address construction, rehabilitation, replacement, or maintenance needs. This novel approach has presented several benefits ... -
Automated Bridge Crack Detection Based on Improving Encoder–Decoder Network and Strip Pooling
(American Society of Civil Engineers, 2023/06/01)The detection of bridge cracks is an important task in bridge maintenance. It can also reflect the health of the bridge. However, cracks are usually in the form of strips, which are different from the concrete surface. ... -
Using Fuzzy Cognitive Maps to Explore the Dynamic Impact of Megaproject Governance on Performance
(American Society of Civil Engineers, 2023/06/01)Megaprojects are facing great challenges and traditional project governance theories are gradually showing inadaptability. The purpose of this study is to investigate the dynamic impact of megaproject governance and project ... -
Robust Design of Electric Charging Infrastructure Locations under Travel Demand Uncertainty and Driving Range Heterogeneity
(American Society of Civil Engineers, 2023/06/01)The rising demand for electric vehicles (EVs), motivated by their environmental benefits, is generating an increased need for EV charging infrastructure. Also, it has been recognized that the adequacy of such infrastructure ... -
Identifying Pipeline Leak Positions Potentially Connected to Soil Deformations through SAR Data Analysis
(American Society of Civil Engineers, 2023/09/01)Transmission mains (TMs) and water distribution systems (WDS) are, among the others, fundamental networks on which society relies on. Age, pipeline materials, and internal and external stresses are just few of the numerous ... -
Dynamic Resilience Quantification of Hydropower Infrastructure in Multihazard Environments
(American Society of Civil Engineers, 2023/06/01)Ensuring the continued functionality of hydropower infrastructure is of the greatest importance, considering the devastating socioeconomic and environmental impacts of dam operation failures. Among the different approaches ... -
Modeling the Vulnerability and Resilience of Interdependent Transportation Networks under Multiple Disruptions
(American Society of Civil Engineers, 2023/03/01)Because infrastructure systems are highly interconnected, it is crucial to analyze their vulnerability and resilience with the consideration of interdependencies. This paper constructed a bus–metro interdependent network ... -
Using Agent-Based Modeling to Determine the Concession Period of BOT Contracts
(American Society of Civil Engineers, 2023/06/01)Nowadays, build-operate-transfer (BOT) contracts have become particularly important. Since the private-sector’s return in this type of contract depends on the duration of the concession period (CP), its determination is a ... -
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 ...