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Evaluation Of Cold In Place Recycling Of Asphalt Conrete Pavements In Oregon
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Book Synopsis Evaluation of Cold In-place Recycling of Asphalt Conrete Pavements in Oregon by : Todd Scholz
Download or read book Evaluation of Cold In-place Recycling of Asphalt Conrete Pavements in Oregon written by Todd Scholz and published by . This book was released on 1989 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Significant use of cold in-place recycling (CIR) has occurred in Oregon since 1984 as an alternative to other rehabilitation techniques or to the reconstruction of distressed asphalt concrete (AC) pavements. Due to the initial success of the projects cold recycled during 1984-85, the Oregon Department of Transportation (ODOT) and Oregon State University (OSU) undertook, in 1986, an intensive study to investigate cold inplace recycling. The objectives of this study were to: 1. develop an improved mix design procedure for cold in-place recycled pavements, 2. evaluate the structural contribution of the cold recycled pavements, and 3. develop improved construction guidelines and specifications for these pavements. Presented in this thesis are two papers summarizing the efforts and advancements made to achieve the first two objectives. Also included is a paper that evaluates the repeatability of two test methods which were, in part, used to evaluate the structural contribution of cold recycled pavements.
Book Synopsis In-depth Study of Cold In-place Recycled Pavement Performance: Construction and inspection manual by : Todd V. Scholz
Download or read book In-depth Study of Cold In-place Recycled Pavement Performance: Construction and inspection manual written by Todd V. Scholz and published by . This book was released on 1990 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Lime Vs. No Lime in Cold In-place Recycled Asphalt Concrete Pavements by : Haiping Zhou
Download or read book Study of Lime Vs. No Lime in Cold In-place Recycled Asphalt Concrete Pavements written by Haiping Zhou and published by . This book was released on 1991 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Field Evaluation of Cold In-place Recycling of Asphalt Concrete by : Robert Gumbert
Download or read book Field Evaluation of Cold In-place Recycling of Asphalt Concrete written by Robert Gumbert and published by . This book was released on 1990 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The average thickness of the existing asphalt cement concrete (ACC) along route E66 in Tama County was 156 mm (6.13 in.). The rehabilitation strategy called for widening the base using the top 75 mm (3 in.) of the existing ACC by a recycling process involving cold milling and mixing with additional emulsion/rejuvenator. The material was then placed into a widening trench and compacted to match the level of the milled surface. The project had the following results: (1) Cold recycled ACC pavement provided adequate pavement structure for a low volume road; (2) Premature cracking of the ACC in the widened pavement area was caused by compaction of the mix over a saturated subgrade; and (3) Considerably less transverse and longitudinal cracking was observed with 75 mm (3 in.) of cold recycled ACC and a 50 mm (2 in.) hot mix ACC overlay than with a conventional hot mix overlay with no cold recycling. More research should be done on efficient construction procedures and incorporating longer test sections for proper evaluation.
Book Synopsis Evaluation of Cold In-place Recycling by : Stephen Alan Cross
Download or read book Evaluation of Cold In-place Recycling written by Stephen Alan Cross and published by . This book was released on 1995 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kansas has many miles of thermally cracked roads primarily in the western one-half of the State. Rehabilitation with conventional hot mix asphalt overlays and hot recycling have not given the service life expected before the existing cracks reflect through the pavement. Since 1986, the Kansas Department of Transportation has been utilizing cold in-place recycling (CIR) with an emulsified asphalt as an additive as a cost effective alternative for rehabilitation of thermally cracked low volume pavements. Field performance of the final product appears to have more variation than desirable with an expected life of three to five years. The results of a two year study indicate that the material properties of the locally available aggregates are poor which results in low strength of the CIR mixes. In addition, the in-place air voids of the wearing surface were high and had an adverse effect on the performance of CIR mixes.
Book Synopsis Evaluation of Long-term Field Performance of Cold In-place Recycled Roads by :
Download or read book Evaluation of Long-term Field Performance of Cold In-place Recycled Roads written by and published by . This book was released on 2007 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cold in-place recycling (CIR) has become an attractive method for rehabilitating asphalt roads that have good subgrade support and are suffering distress related to non-structural aging and cracking of the pavement layer. Although CIR is widely used, its use could be expanded if its performance were more predictable. Transportation officials have observed roads that were recycled under similar circumstances perform very differently for no clear reason. Moreover, a rational mix design has not yet been developed, design assumptions regarding the structural support of the CIR layer remain empirical and conservative, and there is no clear understanding of the cause-effect relationships between the choices made during the design/construction process and the resulting performance. The objective of this project is to investigate these relationships, especially concerning the age of the recycled pavement, cumulative traffic volume, support conditions, aged engineering properties of the CIR materials, and road performance. Twenty-four CIR asphalt roads constructed in Iowa from 1986 to 2004 were studied: 18 were selected from a sample of roads studied in a previous research project (HR-392), and 6 were selected from newer CIR projects constructed after 1999. This report summarizes the results of a comprehensive program of field distress surveys, field testing, and laboratory testing for these CIR asphalt roads. The results of this research can help identify changes that should be made with regard to design, material selection, and construction in order to lengthen the time between rehabilitation cycles and improve the performance and cost-effectiveness of future recycled roads.
Book Synopsis An Evaluation of Oregon's First Asphalt Recycling Project by : William G. Whitcomb
Download or read book An Evaluation of Oregon's First Asphalt Recycling Project written by William G. Whitcomb and published by . This book was released on 1978 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Introduction to Cold Recycling of Asphalt Concrete Pavement for Professional Engineers by : J. Paul Guyer
Download or read book An Introduction to Cold Recycling of Asphalt Concrete Pavement for Professional Engineers written by J. Paul Guyer and published by Guyer Partners. This book was released on 2022-12-27 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for civil engineers and other professional engineers and construction managers interested in cold recycling of asphalt concrete pavement. Here is what is discussed: 1. INTRODUCTION, 2. BACKGROUND, 3. INITIAL PROJECT SELECTION CRITERIA, 4. TRAFFIC, 5. STRUCTURAL ASSESSMENT, 6. OVERLAY THICKNESS DESIGN, 7. INITIAL STRUCTURAL SUPPORT, 8. PROJECT LENGTH, 9. CURING, 10. UTILITIES, 11. SURFACE TREATMENTS, 12. PAVING FABRICS, GEOSYNTHETICS AND CRACK SEAL, 13. PATCHES, 14. FINAL PROJECT SELECTION, 15. ECONOMIC ASSESSMENT, 16. SUMMARY, 17. SIGNIFICANT IN-PLACE RECYCLING RESOURCES, 18. REFERENCES.
Book Synopsis Report on Cold Recycling of Asphalt Pavements by :
Download or read book Report on Cold Recycling of Asphalt Pavements written by and published by . This book was released on 1998 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: The responsibility of Task Force No. 38 was defined to be as follows: The Task Force would address the cold processing of reclaimed asphalt pavement (RAP) with or without additional additives and/or aggregates to create a rehabilitated component of the pavement structure. This report contains information on the cold recycling process, project selection and assessment, cold recycled mixture and pavement structural design, quality control and testing, guidelines for construction specifications and definitions of terms.
Book Synopsis In-depth Study of Cold In-place Recycled Pavement Performance: Final report by : Todd V. Scholz
Download or read book In-depth Study of Cold In-place Recycled Pavement Performance: Final report written by Todd V. Scholz and published by . This book was released on 1990 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-depth Study of Cold In-place Recycled Pavement Performance by : Todd V. Scholz
Download or read book In-depth Study of Cold In-place Recycled Pavement Performance written by Todd V. Scholz and published by . This book was released on 1990 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Cold In-place Recycling as Alternative for Pavement Rehabilitation by : Walid Elias Tabet
Download or read book Evaluation of Cold In-place Recycling as Alternative for Pavement Rehabilitation written by Walid Elias Tabet and published by . This book was released on 2000 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Cold In-place Recycling as Alternative for Pavement Rehabilitation by : Mohammad Aminur Rahman
Download or read book Evaluation of Cold In-place Recycling as Alternative for Pavement Rehabilitation written by Mohammad Aminur Rahman and published by . This book was released on 1997 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mix Design Practices for Cold In-Place Recycled Pavements by : D. Allen
Download or read book Mix Design Practices for Cold In-Place Recycled Pavements written by D. Allen and published by . This book was released on 1990 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1984, the Oregon State Highway Division has constructed 724 km (450 centerline miles) of cold in-place recycled pavements. During this period, an intensive study was undertaken by the Oregon Department of Transportation (ODOT) and Oregon State University (OSU) with the following purposes: 1. To develop an improved mix design procedure for cold in-place recycled pavements. 2. To evaluate the structural contribution of cold in-place recycled pavements. 3. To develop improved guidelines and specifications for the construction of cold in-place recycled pavements.
Book Synopsis Performance Evaluation of Cold In-place Recycling Projects in Arizona by : J. Mallela
Download or read book Performance Evaluation of Cold In-place Recycling Projects in Arizona written by J. Mallela and published by . This book was released on 2006 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laboratory Evaluation of Cold In-place Recycling Asphalt Mixtures Using a Balanced Mix Design Approach, by : Ahmed Saidi
Download or read book Laboratory Evaluation of Cold In-place Recycling Asphalt Mixtures Using a Balanced Mix Design Approach, written by Ahmed Saidi and published by . This book was released on 2019 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cold-recycled Bituminous Concrete Using Bituminous Materials by : Jon A. Epps
Download or read book Cold-recycled Bituminous Concrete Using Bituminous Materials written by Jon A. Epps and published by Transportation Research Board. This book was released on 1990 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis will be of interest to pavement designers, construction engineers, and others interested in economical methods for reconstructing or rehabilitating bituminous pavements. Information is provided on the processes and procedures used by a number of states to recycle asphalt pavements in place without application of heat. Since 1975 a growing number of state highway agencies have reconstructed or rehabilitated asphalt pavements by recycling the old pavement in place. This report of the Transportation Research Board describes the processes used for cold in-place recycling, including construction procedures, mix designs, mixture properties, performance, and specifications.
