Fractured Slab Techniques For Pcc Pavements
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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.
Fractured Slab Techniques For Pcc Pavements
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Author : Thomas B. Nelson
language : en
Publisher:
Release Date : 1997
Fractured Slab Techniques For Pcc Pavements written by Thomas B. Nelson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Pavements categories.
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.
Development Of A Structural Design Program For Hma Overlaid Fractured Pcc Pavements With Emphasis On Hma Tensile Strain Criteria
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Author : Reshma Mathews
language : en
Publisher:
Release Date : 2004
Development Of A Structural Design Program For Hma Overlaid Fractured Pcc Pavements With Emphasis On Hma Tensile Strain Criteria written by Reshma Mathews and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Although HMA overlays have been commonly used as rehabilitation method for deteriorated PCC pavements, the appearance of reflection cracking significantly reduces pavement life. Fractured slab techniques have been successfully used to reduce the appearance of reflection cracking. Among the different techniques available, the rubblization technique has been widely used. The newer technique of rubblization leads to true "flexible" pavement, but the same empirical techniques used for HMA overlays over cracked-and-seated pavements have been applied, with mixed success. Since a rubblized PCC slab, overlain with HMA meets the classical definition of a flexible pavement, it seems reasonable to apply the more appropriate flexible pavement design techniques. Most state, county and city agencies use empirical design methods, which are based on experiments or experience, and mechanistic design methods, which explain phenomena only by reference to physical causes. A more reasoned approach would be to apply a "mechanist-empirical" approach. The Mechanistic-empirical (M-E) approach is based on the mechanics of materials that relates an input to an output or pavement response. M-E design models incorporate a combination of mechanistic models and field data. This project seeks to provide a realistic M-E design method for use with fractured slab technology. A limited calibration has been performed using an instrumented section of IA-141 in Polk County. The results have been analyzed, a database as been created, and a Visual Basic (VB) program has been developed to predict the HMA overlay design thickness. Longer term validation will require performance monitoring of such projects.
Development Of A Structural Design Program For Hma Overlaid Fractured Pcc Pavements With Emphasis On Compressive Strain On The Subgrade
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Author : Tejeswi Kota
language : en
Publisher:
Release Date : 2004
Development Of A Structural Design Program For Hma Overlaid Fractured Pcc Pavements With Emphasis On Compressive Strain On The Subgrade written by Tejeswi Kota and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Deterioration in PCC pavements can occur due to the distresses caused by a combination of traffic loads and weather conditions. HMA overlay is the most commonly used rehabilitation technique for such deteriorated PCC pavements. The performance of these HMA overlaid pavements has been 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 design of structural overlay thickness for cracked and seated, rubblized pavements is difficult as the resulting structure is neither a "true" rigid pavement nor a "true" flexible pavement. The main objective of this project is to develop a Mechanistic-Empirical (M-E) design approach for the HMA overlay thickness design for fractured PCC pavements. In this design procedure, failure criterion 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 M-E design system is also implemented in a Visual Basic computer program. A partial validation is provided in this report with reference to an instrumented trial project (IA-141, Polk County). Strain values collected form the FWD testing at this project site are in counterpart with the results obtained from the computer program. The time-load signature of the FWD more closely represents that of a truck moving at speed.
Aashto Guide For Design Of Pavement Structures 1993
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Author : American Association of State Highway and Transportation Officials
language : en
Publisher: AASHTO
Release Date : 1993
Aashto Guide For Design Of Pavement Structures 1993 written by American Association of State Highway and Transportation Officials and has been published by AASHTO this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Pavements categories.
Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.
Engineering Extension Series Purdue University Dept Of Engineering Extension
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Author :
language : en
Publisher:
Release Date : 1960
Engineering Extension Series Purdue University Dept Of Engineering Extension written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with categories.
Includes proceedings of various conferences sponsored by the University.
Proceedings Of The Annual Road School Held At Purdue University
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Author :
language : en
Publisher:
Release Date : 1960
Proceedings Of The Annual Road School Held At Purdue University written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Engineering categories.
Includes proceedings of various conferences sponsored by the University.
Breaking Cracking And Seating Concrete Pavements
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Author : Marshall R. Thompson
language : en
Publisher:
Release Date : 1989
Breaking Cracking And Seating Concrete Pavements written by Marshall R. Thompson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Technology & Engineering categories.
This synthesis will be of interest to pavement designers, maintenance engineers, and others interested in reducing reflection cracking of asphalt overlays on portland cement concrete (PCC) pavement. Information is presented on the technique of breaking or cracking of the concrete pavement into small segments before overlaying with asphalt concrete. Asphalt concrete overlays on existing PCC pavements are subject to reflection cracking induced by thermal movements of PCC pavement. This report of the Transportation Research Board discusses the technique of breaking/cracking and seating of the existing PCC before an overlay as a means to reduce or eliminate reflection cracking.
Highway Engineering
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Author : Athanassios Nikolaides
language : en
Publisher: CRC Press
Release Date : 2014-11-24
Highway Engineering written by Athanassios Nikolaides and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-24 with Technology & Engineering categories.
An International Textbook, from A to ZHighway Engineering: Pavements, Materials and Control of Quality covers the basic principles of pavement management, highlights recent advancements, and details the latest industry standards and techniques in the global market. Utilizing the author's more than 30 years of teaching, researching, and consulting e