Pavement Condition Index Pci For Flexible Pavements
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Pavement Condition Index Pci For Flexible Pavements
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Author :
language : en
Publisher:
Release Date : 1986
Pavement Condition Index Pci For Flexible Pavements written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
An Evaluation Of The Pavement Condition Index Prediction Model For Flexible Airfield Pavements
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Author : James D. Lyon
language : en
Publisher:
Release Date : 1983
An Evaluation Of The Pavement Condition Index Prediction Model For Flexible Airfield Pavements written by James D. Lyon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
The U.S. Army Construction Engineering Research Laboratory (CERL) is in the process of developing a comprehensive pavements maintenance management system for the Air Force. A major step in the development was the development of models capable of predicting the future Pavement Condition Index (PCI) of a pavement feature, based on environmental and situational variables. These models are still considered tentative. The purpose of this thesis was to evaluate the current model proposed for predicting the PCI in flexible airfield pavements. The current model was found to be based on a statistically questionable change in the data. The current model was reaccomplished using a more accepted practice. The reaccomplished model was evaluated against a new data base and found to reasonably predict the PCI. The new and existing data was then combined, the model again was reaccomplished, and improvements noted. Two models were developed that show the possibility of interaction among the variables and the presence of nonlinear relationships. Finally, a model was developed, based on only the new data, which predicts the PCI very accurately for pavement on the base from which the data was gathered. This research should supplement CERL efforts to validate their models. (Author).
An Evaluation Of The Pavement Condition Index Prediction Model For Rigid Airfield Pavements
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Author :
language : en
Publisher:
Release Date : 1982
An Evaluation Of The Pavement Condition Index Prediction Model For Rigid Airfield Pavements written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.
The United States Army Corps of Engineers, Construction Engineering Research Laboratory (CERL) has been working for several years on the development of an airfield pavement maintenance management system. As an integral element to this system, Pavement Condition Index (PCI) prediction models have been formulated for rigid flexible pavements. The purpose of this thesis was to evaluate the PCI prediction model for rigid Air Force airfield pavements. The model was tested using a new data base, from which it was determined that the predicted PCI values correlated fairly closely with the actual measured PCI values. The model was determined to be a reasonable predictor of the condition of rigid airfield pavements.
The Relationship Of Pavement Maintenance Costs To The Pavement Condition Index
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Author : Eric F Reichelt (Jr)
language : en
Publisher:
Release Date : 1987
The Relationship Of Pavement Maintenance Costs To The Pavement Condition Index written by Eric F Reichelt (Jr) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
The objective of this research was to develop a rational procedure for estimating unit maintenance and repair (M & R) costs for flexible pavements as a function of the Pavement Condition Index (PCI). This report summarizes the procedure developed and presents the results of its application at four military installations and one Corps of Engineers District. Keywords: Rehabilitation; Costs.
Development Of A Pavement Condition Index For Roads And Streets
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Author : Mohamed Y. Shahin
language : en
Publisher:
Release Date : 1978
Development Of A Pavement Condition Index For Roads And Streets written by Mohamed Y. Shahin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Pavements categories.
This report describes the preliminary development of a pavement condition index (PCI) for rating jointed concrete and asphalt-surfaced roads and streets. The PCI, which measures pavement structural integrity and surface operational conditions, is calculated by measuring pavement distress types, severities, and densities obtained during pavement inspection. The PCI procedure presented in this report will be further field-tested and verified. (Author).
Evaluation Of Pavement Rating System For Flexible Pavements In Nevada
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Author : Roshan Suwal
language : en
Publisher:
Release Date : 2014
Evaluation Of Pavement Rating System For Flexible Pavements In Nevada written by Roshan Suwal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Electronic books categories.
Evaluation of pavement condition is the principle source of information for the effective management of the road network for local and state transportation agencies. However, transportation agencies in the United States are using different pavement rating systems to evaluate their pavement condition. The data collection system, measurement units, and calculation techniques have been modified and updated by several states to incorporate new technological development with time. Several transportation agencies are willing to update their old pavement rating systems while others elected to gradually switch to more accurate rating systems. This study focuses on the potential enhancements on the Pavement Rating Index (PRI) used by Nevada Department of Transportation (NDOT) to make it more consistent with nationally applied systems such as the Pavement Condition Index (PCI) developed by U.S. Army Construction Engineering Research Laboratory. Pavement condition data that were utilized to calculate PRI over the last 15 years were converted into PCI compatible format using a suitable conversion technique. Estimated PCI values were plotted against the corresponding PRI value showed moderate correlation with R2 value of 0.56. The current PRI system was then enhanced to eliminate some of its deficiencies. The statistical relationship between the enhanced PRI and PCI showed improved correlation with R2 value of 0.75. The study concluded that a successful correlation between the PRI system and the PCI system can be achieved in Nevada while maintaining the use of the historical pavement condition data. This study also suggests using a recommended PRIr system which adds the impact of roughness and friction onto the enhanced PRI system. Finally, this study compares the road maintenance strategies suggested by the current PRI system and the PRIr system with the time based schedule and the actual activities applied on the pavement section. This comparison concluded that, while both the PRI and PRIr systems show good correlations with the time based schedule and actual activities for assigning preventive and corrective maintenance strategies, the PRIr system showed improved correlations with the time based schedule and actual activities for assigning the overlay strategy. The PRIr system is recommended for implementation by NDOT due to its consistency with national systems (i.e., PCI) and its superior correlations with time based schedule and actual activities for overlays which leads to significant savings of rehabilitation funds.
Manual For Condition Rating Of Flexible Pavements
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Author : G. J. Chong
language : en
Publisher: [Downsview] : Research and Development Branch, Ministry of Transportation of Ontario
Release Date : 1989
Manual For Condition Rating Of Flexible Pavements written by G. J. Chong and has been published by [Downsview] : Research and Development Branch, Ministry of Transportation of Ontario this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Highway engineering categories.
This manual categorizes distress manifestations and provides illustrations of each category to lend uniformity to reporting and interpretation. Descriptions of the density of occurrence and the severity of each type of distress manifestation are made to conform to standard words which precisely express the relative density or severity on a scale of 1-5. Probable causes of each distress manifestation are presented, together with comments on progressive deterioration or other behaviour which might affect remedial treatment. Possible remedial measures are included under each distress manifestation.
Pavement Condition Surveys
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Author : National Research Council (U.S.). Highway Research Board
language : en
Publisher:
Release Date : 1957
Pavement Condition Surveys written by National Research Council (U.S.). Highway Research Board and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Technology & Engineering categories.
Pavement condition surveys are necessary to evaluate the effect upon pavement life and service caused by various factors such as subgrade soil of the various classifications, subgrade densification, subgrade treatments, subgrade drainage, subbase materials and methods of placing, pavement materials, pavement design, pavement construction methods, traffic, maintenance materials and methods, and climatic conditions. Pavement condition is logically measured for Portland cement concrete pavements by the condition of joints and cracks, condition of the surface, and the amount of cracking and breakage. In addition, it is logically measured for pavements of the flexible type by the amount of cracking, type of cracking, raveling, rutting, shoving, settling, bleeding, and the area and depth of patches. Skid resistance and degree of bumpiness are pavement condition factors for both rigid and flexible pavements. Various types of condition surveys are outlined and suggestions made for making them.
Rigid And Flexible Pavement Design And Rehabilitation
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Author : National Research Council (U.S.). Transportation Research Board
language : en
Publisher:
Release Date : 1993
Rigid And Flexible Pavement Design And Rehabilitation written by National Research Council (U.S.). Transportation Research Board and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Pavements categories.
2015 Pavement Condition Index Pci Study Executive Summary
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Author :
language : en
Publisher:
Release Date : 2016
2015 Pavement Condition Index Pci Study Executive Summary written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Aeronautics, Commercial categories.