Rehabilitation Of Concrete Pavements Utilizing Rubblization And Crack And Seat Methods
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Rehabilitation Of Concrete Pavements Utilizing Rubblization And Crack And Seat Methods
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Author :
language : en
Publisher:
Release Date : 2005
Rehabilitation Of Concrete Pavements Utilizing Rubblization And Crack And Seat Methods written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Pavements, Concrete categories.
Deterioration in Portland Cement Concrete (PCC) pavements can occur due to distresses caused by a combination of traffic loads and weather conditions. Hot mix asphalt (HMA) overlay is the most commonly used rehabilitation technique for such deteriorated PCC pavements. However, the performance of these HMA overlaid pavements is hindered due to the occurrence of reflective cracking, resulting in significant reduction of pavement serviceability. Various fractured slab techniques, including rubblization, crack and seat, and break and seat are used to minimize reflective cracking by reducing the slab action. The main objective of this project is to develop a mechanistic-empirical (ME) design aproach for the HMA overlay thickness design for fractured PCC pavements. In this design procedure, failure criteria such as the tensile strain at the bottom of HMA layer and the vertical compressive strain on the surface of subgrade are used to consider HMA fatigue and subgrade rutting, respectively. The developed ME design system is also implemented in a Visual Basic computer program.
Guidance Parameters And Recommendations For Rubblized Pavements
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Author :
language : en
Publisher:
Release Date : 2007
Guidance Parameters And Recommendations For Rubblized 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 2007 with Pavements categories.
Reflective Crack Mitigation Guide For Flexible Pavements
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Author : R. Christopher Williams
language : en
Publisher:
Release Date : 2015
Reflective Crack Mitigation Guide For Flexible Pavements written by R. Christopher Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Pavements, Asphalt categories.
Reflective cracks form in pavements when hot-mix asphalt (HMA) overlays are placed over jointed and/or severely cracked rigid and flexible pavements. In the first part of the research, survival analysis was conducted to identify the most appropriate rehabilitation method for composite pavements and to evaluate the influence of different factors on reflective crack development. Four rehabilitation methods, including mill and fill, overlay, heater scarification (SCR), and rubblization, were analyzed using three performance indicators: reflective cracking, international roughness index (IRI), and pavement condition index (PCI). It was found that rubblization can significantly retard reflective cracking development compared to the other three methods. No significant difference for PCI was seen among the four rehabilitation methods. Heater scarification showed the lowest survival probability for both reflective cracking and IRI, while an overlay resulted in the poorest overall pavement condition based on PCI. In addition, traffic level was found not to be a significant factor for reflective cracking development. An increase in overlay thickness can significantly delay the propagation of reflective cracking for all four treatments. Soil types in rubblization pavement sites were assessed, and no close relationship was found between rubblized pavement performance and subgrade soil condition. In the second part of the research, the study objective was to evaluate the modulus and performance of four reflective cracking treatments: full rubblization, modified rubblization, crack and seat, and rock interlayer. A total of 16 pavement sites were tested by the surface wave method (SWM), and in the first four sites both falling weight deflectometer (FWD) and SWM were conducted for a preliminary analysis. The SWM gave close concrete layer moduli compared to the FWD moduli on a conventional composite pavement. However, the SWM provided higher moduli for the rubblized concrete layer. After the preliminary analysis, another 12 pavement sites were tested by the SWM. The results showed that the crack and seat method provided the highest moduli, followed by the modified rubblization method. The full rubblization and the rock interlayer methods gave similar, but lower, moduli. Pavement performance surveys were also conducted during the field study. In general, none of the pavement sites had rutting problems. The conventional composite pavement site had the largest amount of reflective cracking. A moderate amount of reflective cracking was observed for the two pavement sites with full rubblization. Pavements with the rock interlayer and modified rubblization treatments had much less reflective cracking. It is recommended that use of the modified rubblization and rock interlayer treatments for reflective cracking mitigation are best.
The Crack And Seat Method Of Pavement Rehabilitation
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Author : Amy M. Schutzbach
language : en
Publisher:
Release Date : 1988
The Crack And Seat Method Of Pavement Rehabilitation written by Amy M. Schutzbach and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Pavements categories.
Evaluation Of Various Hot Mix Asphalt Pavement Thicknesses Over Rubblized Concrete Pavement
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Author : Irene K. Battaglia
language : en
Publisher:
Release Date : 2010
Evaluation Of Various Hot Mix Asphalt Pavement Thicknesses Over Rubblized Concrete Pavement written by Irene K. Battaglia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Pavements, Asphalt concrete categories.
Sustainable And Resilient Critical Infrastructure Systems
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Author : Kasthurirangan Gopalakrishnan
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-04-13
Sustainable And Resilient Critical Infrastructure Systems written by Kasthurirangan Gopalakrishnan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-04-13 with Technology & Engineering categories.
Sustainable and resilient critical infrastructure systems is an emerging paradigm in an evolving era of depleting assets in the midst of natural and man-made threats to provide a sustainable and high quality of life with optimized resources from social, economic, societal and environmental considerations. The increasing complexity and interconnectedness of civil and other interdependent infrastructure systems (electric power, energy, cyber-infrastructures, etc.) require inter- and multidisciplinary expertise required to engineer, monitor, and sustain these distributed large-scale complex adaptive infrastructure systems. This edited book is motivated by recent advances in simulation, modeling, sensing, communications/information, and intelligent and sustainable technologies that have resulted in the development of sophisticated methodologies and instruments to design, characterize, optimize, and evaluate critical infrastructure systems, their resilience, and their condition and the factors that cause their deterioration. Specific topics discussed in this book include, but are not limited to: optimal infrastructure investment allocation for sustainability, framework for manifestation of tacit critical infrastructure knowledge, interdependencies between energy and transportation systems for national long term planning, intelligent transportation infrastructure technologies, emergent research issues in infrastructure interdependence research, framework for assessing the resilience of infrastructure and economic systems, maintenance optimization for heterogeneous infrastructure systems, optimal emergency infrastructure inspection scheduling, and sustainable rehabilitation of deteriorated transportation infrastructure systems.
Cost Effective Rehabilitation Of Portland Cement Concrete Pavement In Nevada
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Author : Sohila Bemanian
language : en
Publisher:
Release Date : 1999
Cost Effective Rehabilitation Of Portland Cement Concrete Pavement In Nevada written by Sohila Bemanian and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Pavements, Concrete categories.
Asphalt Overlays For Highway And Street Rehabilitation
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Author : Asphalt Institute
language : en
Publisher:
Release Date : 2000
Asphalt Overlays For Highway And Street Rehabilitation written by Asphalt Institute and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Pavements, Asphalt categories.
Performance Evaluation Of Rubblized Pavements In Iowa
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Author : Halil Ceylan
language : en
Publisher:
Release Date : 2008
Performance Evaluation Of Rubblized Pavements In Iowa written by Halil Ceylan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Pavements, Concrete categories.
This Phase II follow-up study of IHRB Project TR-473 focused on the performance evaluation of rubblized pavements in Iowa. The primary objective of this study was to evaluate the structural condition of existing rubblized concrete pavements across Iowa through Falling Weight Deflectometer (FWD) tests, Dynamic Cone Penetrometer (DCP) tests, visual pavement distress surveys, etc. Through backcalculation of FWD deflection data using the ISU's advanced layer moduli backcalculation program, the rubblized layer moduli were determined for various projects and compared with each other for correlating with the long-term pavement performance. The AASHTO structural layer coefficient for rubblized layer was also calculated using the rubblized layer moduli. To validate the mechanistic-empirical (M-E) hot mix asphalt (HMA) overlay thickness design procedure developed during the Phase I study, the actual HMA overlay thickness from the rubblization projects were compared with the predicted thickness obtained from the design software. The results of this study show that rubblization is a valid option to use in Iowa in the rehabilitation of PCC provided the foundation is strong enough to support construction operations during the rubblization process. The M-E structural design methodology developed during Phase I can estimate the HMA overlay thickness reasonably well to achieve long-lasting performance of HMA pavements. The rehabilitation strategy is recommended for continued use in Iowa under those conditions conducive for rubblization.
Investigation And Application Of Fractured Slab Techniques For Pcc Pavements
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Author : Samuel Owusu-Ababio
language : en
Publisher:
Release Date : 1999
Investigation And Application Of Fractured Slab Techniques For Pcc Pavements written by Samuel Owusu-Ababio and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Pavements, Concrete categories.