Initial Performance Of Asphalt Overlays On Overlaid Jointed Concrete Pavement Jcp And On Flexible Pavements In Field Test Sections In Lufkin Texas
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Initial Performance Of Asphalt Overlays On Overlaid Jointed Concrete Pavement Jcp And On Flexible Pavements In Field Test Sections In Lufkin Texas
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Author : Yoon-Hu Cho
language : en
Publisher:
Release Date : 1995
Initial Performance Of Asphalt Overlays On Overlaid Jointed Concrete Pavement Jcp And On Flexible Pavements In Field Test Sections In Lufkin Texas written by Yoon-Hu Cho and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Pavements categories.
Asphalt Overlay Design Methods For Rigid Pavements Considering Rutting Reflection Cracking And Fatigue Cracking
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Author :
language : en
Publisher:
Release Date : 1998
Asphalt Overlay Design Methods For Rigid Pavements Considering Rutting Reflection Cracking And Fatigue Cracking written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Pavements categories.
Performance Report On Jointed Concrete Pavement Repair Strategies In Texas
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Author : Tom Scullion
language : en
Publisher:
Release Date : 2004
Performance Report On Jointed Concrete Pavement Repair Strategies In Texas written by Tom Scullion and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Pavements, Concrete categories.
Project 0-4517 was established to summarize the results from the Lufkin experiment on US 59 and to develop statewide guidelines on how to select rehabilitation strategies for jointed concrete pavements (JCP). This year 1 report reviews the performance of the six experimental sections on US 59 and makes recommendations for statewide implementation. The best performing section in Lufkin was the flexible base overlay, which involved placing high-quality crushed limestone directly over the JCP followed by an underseal and thin asphalt overlay. This was also one of the least expensive treatments used in the experiment. The large stone mix also gave good performance, but the crack and seat and full-depth repair techniques did not perform well. A forensic investigation was conducted to attempt to explain the variation in treatment performance. To complement the Lufkin results, a review is also presented of the performance of other JCP rehabilitation techniques recently evaluated by TxDOT districts. An evaluation of crack retarding asphalt layers (Strata(R)), grid layers (GlasGrid(R)) and slab fracturing techniques is also included in the report.
Long Term Monitoring Of Broken And Seated Pavements
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Author : Arudi Rajagopal
language : en
Publisher:
Release Date : 2002
Long Term Monitoring Of Broken And Seated Pavements written by Arudi Rajagopal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Pavements categories.
This report presents details of a study conducted to evaluate the long term performance of asphalt overlays on broken and seated (B/S) concrete pavements, using field expe riments. The primary purpose of this study is to evaluate the effectiveness of breaking and seating as a reh abilitation strateg y for retarding reflection crac king in asphalt concrete (AC) overlays on jointed reinforced concrete pavements. Test sections were constructed by milling the original AC layer, breaking and seating the concrete slabs and constructing new AC overlays. Control sec tions were co nstructed ad jacent to the B /S sections in the same way, but without breaking the underlying concrete slabs. The test sections carried a large volume of traffic. The original pavements selected in this study were fairly uniform with respect to their structural and surface conditions. Two types of pavement breakers were used in this study, namely guillotine and pile hammer. The extent of breaking was closely monitored. The performance of the test sections was monitored for a total period of nine years. The monitoring data included deflection measurements, crack mapping, a pavement condition surveys and roughness surveys on the original pavement and on the overlay. The results, in general, strongly indicate an improved performance of AC overlays on broken and seated concrete pavements. The B/S treatment has a significant effect on the structural response and behavior of the resulting pavement. Breaking the concrete slabs into smaller pieces resulted in a reduction in the flexural strength, an increase in the surface deflection (50% to 100%), and a decrease in AREA and Spreadability (20 to 30%). Breaking and seating has been extremely effective in delaying and minimizing reflection cracking. Hence, the breaking and seating procedure does indeed result in improved pavement performance. Ultimately, economics and serviceability will govern its use, based on the length of time future maintenance and rehabilitation is deferred.
Transportation Research Record
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Author :
language : en
Publisher:
Release Date : 2003
Transportation Research Record written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Air travel categories.
Installation And Initial Evaluation Of Paving Fabric Interlayers For Mitigating Reflective Cracking In Pavements
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Author : Harikrishnan Nair
language : en
Publisher:
Release Date : 2020
Installation And Initial Evaluation Of Paving Fabric Interlayers For Mitigating Reflective Cracking In Pavements written by Harikrishnan Nair and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Pavements categories.
Propagation of cracks from existing pavements into a new asphalt concrete overlay (reflective cracking) is a major problem for both rigid and flexible pavements. Reflective cracking in pavements compromises ride quality and reduces the service life of the pavement. Reflective cracking of the asphalt layer over jointed concrete pavement is a perennial problem in Virginia and elsewhere. State transportation agencies continue to try various available treatment methods to delay or prevent reflective cracking with corrective or restorative maintenance. Some of those treatments include using paving fabric as an interlayer. Virginia has anecdotal experience with paving fabric interlayers, but little well-documented history with which to assess performance. The objective of this study was to establish a performance baseline for fabric interlayers in conjunction with asphalt concrete overlays on existing flexible, rigid, and composite pavements by documenting the installation and initial field performance of several projects in Virginia. Two types of interlayer fabric were used. One of the interlayers needed an asphalt leveling course for placement based on the manufacturer's specifications. As expected, all of the sections with interlayers are performing well. However, most of the sections were placed in 2017 and 2018, and hence the performance data are preliminary. These sections need to be monitored continuously to track pavement distress and performance over time. The cost of using interlayers in pavement ranged from 6 .0 dollars to 8 .0 dollars per square yard, depending on the type of fabric and installation method. Long-term performance data are needed to assess the benefit-cost effectiveness of using paving fabric interlayers in pavements.
Structural Overlay Strategies For Jointed Concrete Pavements
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Author : Walter P. Kilareski
language : en
Publisher:
Release Date : 1990
Structural Overlay Strategies For Jointed Concrete Pavements written by Walter P. Kilareski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Pavements categories.
A major field study and evaluation has been conducted into the effectiveness of three structural overlay types for portland cement concrete (PCC) pavements. These include sawing and sealing asphalt concrete (AC) overlays of PCC pavements, cracking and seating PCC pavements prior to AC overlay, and constructing a thin bonded PCC overlay on top of the existing PCC pavement. Condition surveys, deflection testing, and roughness measurements were performed on a total of 55 sections. The performance of these sections was evaluated and the effectiveness of each overlay type analyzed.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1995
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.
Structural Overlay Strategies For Jointed Concrete Pavements
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Author :
language : en
Publisher:
Release Date : 1991
Structural Overlay Strategies For Jointed Concrete 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 1991 with Pavements, Concrete categories.
Structural Overlay Strategies For Jointed Concrete Pavements
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Author :
language : en
Publisher:
Release Date : 1990
Structural Overlay Strategies For Jointed Concrete 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 1990 with Pavements, Concrete categories.