Guidelines for Detection, Analysis, and Treatment of Materials-related Distress in Concrete Pavements: FHWA-RD-01-164 Guidelines description and use PDF Download
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Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 260
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Book Description
The objective of this research was to develop guidelines to provide pavement engineers and field and laboratory personnel with a systematic procedure for the identification, evaluation, treatment, and prevention of materials-related distress in portland cement concrete pavements.
Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 260
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Book Description
The objective of this research was to develop guidelines to provide pavement engineers and field and laboratory personnel with a systematic procedure for the identification, evaluation, treatment, and prevention of materials-related distress in portland cement concrete pavements.
Author:
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 121
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Book Description
"The performance of concrete pavements can be adversely affected by the concrete's inability to resist the environment in which it is placed. This lack of durability can occur even when the structural design of the pavement is adequate. The distresses that result from this lack of durability are referred to herein as materials-related distress (MRD). This report documents the investigation of MRD in concrete pavements and the development of a set of systematic guidelipes for the evaluation of MRD. The guidelines developed cover three major areas of MRD: field distress surveys, pavement sampling, and sample handling; laboratory testing, data analysis, and interpretation; and treatment, rehabilitation, and prevention. This report is Volume 3 of a three-volume set, and documents the results of the use of the guidelines on in-service concrete pavements. The other two reports are: FHWA-RD-01- 163, Volume 1 : Final Report FHWA-RD-01- 164, Volume 2: Guidelines Description and Use"--Technical report documentation page.
Author:
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 191
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Book Description
Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 212
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Book Description
The objective of this research was to develop guidelines to provide pavement engineers and field and laboratory personnel with a systematic procedure for the identification, evaluation, treatment, and prevention of materials-related distress in portland cement concrete pavements.
Author:
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 144
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Book Description
The objective of this research was to develop guidelines to provide pavement engineers and field and laboratory personnel with a systematic procedure for the identification, evaluation, treatment, and prevention of materials-related distress in portland cement concrete pavements.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Scott Schlorholtz
Publisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 84
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Book Description
The purpose of this research was to summarize existing nondestructive test methods that have the potential to be used to detect materials-related distress (MRD) in concrete pavements. The various nondestructive test methods were then subjected to selection criteria that helped to reduce the size of the list so that specific techniques could be investigated in more detail. The main test methods that were determined to be applicable to this study included two stress-wave propagation techniques (impact-echo and spectral analysis of surface waves techniques), infrared thermography, ground penetrating radar (GPR), and visual inspection. The GPR technique was selected for a preliminary round of "proof of concept" trials. GPR surveys were carried out over a variety of portland cement concrete pavements for this study using two different systems. One of the systems was a state-of-the-art GPR system that allowed data to be collected at highway speeds. The other system was a less sophisticated system that was commercially available. Surveys conducted with both sets of equipment have produced test results capable of identifying subsurface distress in two of the three sites that exhibited internal cracking due to MRD. Both systems failed to detect distress in a single pavement that exhibited extensive cracking. Both systems correctly indicated that the control pavement exhibited negligible evidence of distress. The initial positive results presented here indicate that a more thorough study (incorporating refinements to the system, data collection, and analysis) is needed. Improvements in the results will be dependent upon defining the optimum number and arrangement of GPR antennas to detect the most common problems in Iowa pavements. In addition, refining high frequency antenna response characteristics will be a crucial step toward providing an optimum GPR system for detecting materials related distress.
Author:
Publisher: Strategic Highway Research Program (Shrp)
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 164
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Book Description
Author:
Publisher:
ISBN:
Category : Dowels
Languages : en
Pages : 28
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Book Description
Load transfer restoration (LTR) is a rehabilitation technique for increasing the load transfer capability of existing jointed portland cement concrete pavement by placement of dowel bars or other mechanical devices across joints and/or cracks that exhibit poor load transfer.
