Status of Thin-bonded Concrete Overlays PDF Download
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Author: Robert H. Gausman
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 48
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Book Description
The Demonstration Projects Division of the Federal Highway Administration has been involved in the evaluation of a number of thin-bonded overlays since 1979. This report presents the status of those projects and includes a summary of some of the more important findings to date.
Author: Robert H. Gausman
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 48
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Book Description
The Demonstration Projects Division of the Federal Highway Administration has been involved in the evaluation of a number of thin-bonded overlays since 1979. This report presents the status of those projects and includes a summary of some of the more important findings to date.
Author: Tessa H. Volle
Publisher:
ISBN:
Category : Concrete coatings
Languages : en
Pages : 82
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Book Description
Author: Thomas Elliott Freeman
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 16
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Book Description
This report discusses the performance of the Virginia Department of Transportation's first modern rehabilitation project involving a thin-bonded portland cement concrete overlay of an existing jointed concrete pavement. The performance of the rigid overlay, which was constructed in a fast-track mode to minimize lane closure time, was evaluated by detailed condition surveys conducted annually throughout a 6-year analysis period to identify, document, and monitor the occurrence of distress. The roughness of the overlay was also measured annually with an accelerometer-based inertial road profiler to permit an examination of the effects of surface deterioration on ride quality. After 6 full years of service, which included only minimal maintenance, the pavement overlay remained in good overall condition. Although the ride quality of the overlay remained virtually unchanged throughout the period, a significant increase in the occurrence of low-to-moderate-severity joint spalls, corner breaks, and to a lesser extent transverse cracks was noted during the fifth and sixth years. The extrusion of compression seals and the subsequent infiltration of water into the pavement structure probably contributed to the observed localized failure of the overlay/substrate bond in the vicinity of joints. This condition, in turn, weakened the pavement's structural capacity at panel edges and thereby resulted in the formation of corner breaks and cracks parallel with and near transverse joints. The consideration of thin-bonded concrete overlays constructed in a fast-track mode is recommended as a viable rehabilitation alternative for jointed concrete pavements that are not severely distressed. However, careful attention to joint installation and, in particular, joint maintenance is recommended for similar future rehabilitation projects.
Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 162
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Book Description
Author: Donald B. Muchaw
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 20
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Book Description
Author: Kenneth H. McGhee
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 32
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Book Description
The report describes the Virginia Department of Transportations' first modern experience with the construction of thin-bonded Portland cement concrete overlays of existing concrete pavements and with the fast track mode of rigid paving. The study was conducted in cooperation with the Federal Highway Administration (FHWA) and used a paving mixture verified in an FHWA mobile laboratory. The study showed that the fast track mode will permit lane closure times as short as 48 hours. Of special interest was the finding that adequate strength of the bond between the old pavement and the overlay is not dependent on the use of a bonding grout.
Author: J. Paul Guyer, P.E., R.A.
Publisher: Guyer Partners
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 31
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Book Description
Introductory technical guidance for civil engineers and construction managers interested in thin concrete overlays for street and highway pavements. Here is what is discussed: 1. INTRODUCTION, 2. OVERVIEW OF THIN CONCRETE OVERLAYS, 3. DESIGN OF THIN CONCRETE OVERLAYS, 4. CONSTRUCTION OF THIN CONCRETE OVERLAYS, 5. COST, 6. CASE STUDIES, 7. SUMMARY.
Author: Kandiah Kailasananthan
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 98
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Book Description
Author:
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 192
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Book Description
Author: Gordon Daring
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages :
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Book Description
