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RISCriticality and Susceptibility Indexes for Resilience-Based Ranking and Prioritization of Components in Interdependent Infrastructure Networks
Publisher: ASCE
Abstract: In infrastructure networks, each of the constituent infrastructure components (nodes and links) has its own significance. The extent to which each node is important to the network largely varies based on the resource or ...
Methodological Framework for Evaluation of Financial Viability of Public-Private Partnerships: Investment Risk Approach
Publisher: American Society of Civil Engineers
Abstract: The development of highway infrastructure has increasingly been shifting toward the use of public-private partnerships (PPP) and alternative methods of project financing. In such schemes, the evaluation of their financial ...
Determination of Required Falling Weight Deflectometer Testing Frequency for Pavement Structural Evaluation at the Network Level
Publisher: American Society of Civil Engineers
Abstract: Recently, a structural condition index (SCI) was developed for the Texas Department of Transportation as a screening tool to discriminate between pavements that need structural reinforcement from those that do not. For the ...
Applying Method of Moments to Model Reliability of Pavements Infrastructure
Publisher: American Society of Civil Engineers
Abstract: Even though the concepts of pavement reliability and risk-based design have been recognized for a long time, probabilistic pavement design methods are often limited to the application of Monte Carlo simulation or Taylor ...
Risk-Based Model for Valuation of Performance-Specified Pavement Maintenance Contracts
Publisher: American Society of Civil Engineers
Abstract: Many transportation agencies have started outsourcing maintenance activities to contractors by means of performance-based contracts. These outsourcing contracts are intended to transfer performance-based risk from ...
Resource Allocation Framework for Optimizing Long-Term Infrastructure Network Resilience
Publisher: American Society of Civil Engineers
Abstract: 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. ...
Sustainable Road Management in Texas: Network-Level Flexible Pavement Structural Condition Analysis Using Data-Mining Techniques
Publisher: American Society of Civil Engineers
Abstract: The research team recognized the value of network-level falling weight deflectometer (FWD) testing to evaluate the structural condition trends of flexible pavements. However, practical limitations due to the cost of testing, ...
Profit Allocation and Subsidy Mechanism for Public–Private Partnership Toll Road Projects
Publisher: ASCE
Abstract: Public–private partnership (PPP) toll road projects are widespread around the world. However, it is difficult to predict traffic demand and cost accurately, which may lead to high profit risks for the private sector or ...
Stochastic Analysis of Network-Level Bridge Maintenance Needs Using Latin Hypercube Sampling
Publisher: ASCE
Abstract: The deterioration of bridge infrastructure along with diminishing funding resources necessitates reliable planning for future budget needs to maintain bridges at an acceptable level of performance. Although existing ...
Development of Network-Level Project Screening Methods Supporting the 4-Year Pavement Management Plan in Texas
Publisher: American Society of Civil Engineers
Abstract: The Texas DOT (TXDOT) is concerned about the widening gap between pavement preservation needs and available funding. Thus, the TXDOT Austin district pavement engineer (DPE) has investigated methods to strategically allocate ...