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Author : Gary K. Harris
Publisher :
ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (233 download)
Download or read book Cracking and Seating to Retard Reflective Cracking written by Gary K. Harris and published by . This book was released on 1993 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary Shrum
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (157 download)
Download or read book Cracking and Seating Pcc Pavement Prior to Resurfacing to Retard Reflective Cracking written by Gary Shrum and published by . This book was released on 1987 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: To evaluate the effect of various sizes of cracking and seating of pcc pavement prior to resurfacing on reflective cracking and structural rating.
Author : Gary K. Harris
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (277 download)
Download or read book Cracking and Seating to Retard Reflective Cracking written by Gary K. Harris and published by . This book was released on 1993 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Larry M. Stark
Publisher :
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (157 download)
Download or read book Cracking and Seating Pcc Pavement Prior to Resurfacing to Retard Reflection Cracking written by Larry M. Stark and published by . This book was released on 1987 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: To evaluate the effectiveness of various cracking sizes and patterns with different thicknesses of asphalt overlays.
Author : Ashraf M. Rahim
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (318 download)
Download or read book An Evaluation of the Crack, Seat and Overlay Method in California written by Ashraf M. Rahim and published by . This book was released on 2011 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Performance data for these sections were obtained from the Caltrans Pavement Condition Report (PCR) and were analyzed along with inventory data obtained from as-built sheets. In Phase II, seventeen (17) CS&O sections (eight (8) on the Central Coast and nine (9) in Northern California) were identified and examined. Performance data were extracted from the Caltrans PCR. As-built and maintenance history data were obtained from the Caltrans District 05 (D05) and District 02 (D02) offices. Data for these sections were combined with data from the Central Valley region (Phase I) to evaluate the performance of CS&O sections throughout California. Also, performance models were developed for three different regions, namely Central Valley (CV), Central Coast (CC), and Northern California (NCA).
Author : R. Christopher Williams
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (932 download)
Download or read book Reflective Crack Mitigation Guide for Flexible Pavements written by R. Christopher Williams and published by . This book was released on 2015 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Thomas Elliott Freeman
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (57 download)
Download or read book Evaluation of Concrete Slab Fracturing Techniques in Mitigating Reflective Cracking Through Asphalt Overlays written by Thomas Elliott Freeman and published by . This book was released on 2002 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of an evaluation of concrete slab fracturing techniques as a means of arresting or retarding reflective cracking through asphalt overlays placed on severely distressed portland cement concrete pavement. The study involved monitoring the performance of five pavement rehabilitation projects over a period of up to 8 years. Two of the projects were originally constructed of jointed plain (unreinforced) concrete, and the other three consisted of jointed reinforced concrete pavement. The test sections were fractured with a guillotine drop hammer and then seated with a 50-ton pneumatic tire roller. For comparative purposes, control sections, which were not fractured prior to placement of the asphalt overlay, were constructed just beyond the bounds of three of the fractured test sections. Detailed visual condition surveys were conducted annually at all sites. For each survey, the number of occurrences of reflective cracks that formed in fractured sections was directly compared to the number of cracks observed in the control sections to quantify the tendency of fracturing to retard or arrest the formation of reflective cracks. The results of this study show that fracturing and seating distressed concrete pavements appear to be an effective means of retarding the formation of reflective cracking through asphalt overlays on jointed, unreinforced pavements. In the case of reinforced pavements, however, the fracturing technique was somewhat less successful in that the formation of reflective cracks appeared to be delayed for only about 3 years. Beyond that point in time, the fractured reinforced sections exhibited approximately the same amount of reflective cracking as the control section. The researcher concludes that any observed benefit in terms of extended pavement service life or enhanced ride quality resulting from even a slight delay in reflective crack propagation would likely offset the rather nominal cost of the fracturing and seating operation itself.
Author : Marshall R. Thompson
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (555 download)
Download or read book Breaking/cracking and Seating Concrete Pavements written by Marshall R. Thompson and published by . This book was released on 1989 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Amy M. Schutzbach
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Crack and Seat Method of Pavement Rehabilitation written by Amy M. Schutzbach and published by . This book was released on 1988 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 464 pages
Book Rating : 4.3/5 (121 download)
Download or read book National Experimental Projects Tabulation written by and published by . This book was released on 1985 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Samuel Owusu-Ababio
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (1 download)
Download or read book Investigation and Application of Fractured Slab Techniques for PCC Pavements written by Samuel Owusu-Ababio and published by . This book was released on 1999 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John M. Vyce
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (1 download)
Download or read book Reflection Cracking in Bituminous Overlays on Rigid Pavements written by John M. Vyce and published by . This book was released on 1983 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.M. Rigo
Publisher : CRC Press
ISBN 13 : 0203860519
Total Pages : 466 pages
Book Rating : 4.2/5 (38 download)
Download or read book Reflective Cracking in Pavements written by J.M. Rigo and published by CRC Press. This book was released on 2010-02-25 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book forms the Proceedings of the Second International RILEM Conference held in Liege in March 1993. It follows the successful first conference held in 1989 and focusses on two main topics: the current state of the art of reflective cracking in highway and other pavements, and design recommendations for field applications. As well as more than 50 international contributions on individual projects, a series of keynote papers are included.
Author : Iowa. Department of Transportation
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (318 download)
Download or read book Planning and Research Program written by Iowa. Department of Transportation and published by . This book was released on 1994 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council (U.S.). Transportation Research Board
Publisher : Transportation Research Board National Research
ISBN 13 :
Total Pages : 962 pages
Book Rating : 4.:/5 (1 download)
Download or read book Concrete Bridge Design and Maintenance written by National Research Council (U.S.). Transportation Research Board and published by Transportation Research Board National Research. This book was released on 1989 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 570 pages
Book Rating : 4.3/5 (91 download)
Download or read book Transportation Research Record written by and published by . This book was released on 2000 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Cooperative Highway Research Program
Publisher :
ISBN 13 :
Total Pages : 652 pages
Book Rating : 4.3/5 (91 download)
Download or read book Synthesis of Highway Practice written by National Cooperative Highway Research Program and published by . This book was released on 1990 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
