Recycling Old Pcc Pavement
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Recycling of Portland Cement Concrete Pavements
| Author | : William A. Yrjanson |
| Publisher | : |
| Total Pages | : 60 |
| Release | : 1989 |
| Genre | : Technology & Engineering |
| ISBN | : |
This synthesis will be of interest to pavement designers, construction engineers, and others interested in economical methods for recontstructing portland cement concrete (PCC) pavements. Information is provided on the processes and procedures used by a number of states in using PCC pavement as aggregate in reconstructed concrete pavement. Since 1975 a number of state highway agencies have reconstructed concrete pavements using the old PCC as aggregate in the new pavement. This report of the Transportation Research Board describes the processes used on various projects in several states, giving details of construction procedures, as well as test results on various properties of the recycled aggregates and the resultant concrete.
Recycled Materials and by Products in Highway Applications
| Author | : Mary Stroup-Gardiner |
| Publisher | : Transportation Research Board |
| Total Pages | : 103 |
| Release | : 2013 |
| Genre | : Technology & Engineering |
| ISBN | : 0309223687 |
Recycled materials and industrial byproducts are being used in transportation applications with increasing frequency. There is a growing body of experience showing that these materials work well in highway applications. This study gathers the experiences of transportation agencies in determining the relevant properties of recycled materials and industrial byproducts and the beneficial use for highway applications. Information for this study was acquired through a literature review, and surveys and interviews with state department of transportation staff. The report will serve as a guide to states revising the provisions of their materials specifications to incorporate the use of recycled materials and industrial byproducts, and should, thereby, assist producers and users in leveling the playing field for a wide range of dissimilar materials.
Composite Pavement Systems
| Author | : Shreenath P. Rao |
| Publisher | : Transportation Research Board |
| Total Pages | : 122 |
| Release | : 2013 |
| Genre | : Technology & Engineering |
| ISBN | : 030912946X |
Experimental composite pavements were constructed at MnROAD in Minnesota and the University of California Pavement Research Center at Davis, where the pavements were instrumented and monitored under climate and heavy traffic loadings. A composite pavement consisting of HMA over jointed plain concrete also was constructed in the field by the Illinois Tollway north of Chicago. At the Tollway, extensive field surveys were performed on 64 sections of the two types of composite pavements. This project also evaluated, improved, and further validated applicable structural, climatic, material, and performance prediction models, and design algorithms that are included in the AASHTO MEPDG and DARWin-ME, CalME, NCHRP 1-41 reflection cracking, NCHRP 9-30A rutting, and the Lattice bonding model. The current DARWin-ME overlay design procedure for HMA/PCC and a special R21 version of the Mechanistic-Empirical Pavement Design Guide (MEPDG [v.
Proceedings of the National Seminar on PCC Pavement Recycling and Rehabilitation
| Author | : |
| Publisher | : |
| Total Pages | : 208 |
| Release | : 1982 |
| Genre | : Pavements, Asphalt |
| ISBN | : |
The 25 papers presented at the National Seminar on Portland Cement (PCC) Pavement Recycling and Rehabilitation are reproduced in this report. The seminar was held in St. Louis, Missouri, September 27-30, 1981, and was attended by 219 people from national, state, and local governments, as well as industry and academia. These proceedings cover all aspects of PCC pavement recycling and rehabilitation, including condition surveys, jacking, drainage, joint repair, profile correction, bonded overlays, and load transfer restoration for both urban and rural situations. Cost and energy considerations, specifications, quality control, and environmental considerations were addressed. Equipment of all types was discussed and research currently underway was reviewed.
Guidelines for Recycling Pavement Materials
| Author | : Jon A. Epps |
| Publisher | : Transportation Research Board |
| Total Pages | : 137 |
| Release | : 1980-01-01 |
| Genre | : Technology & Engineering |
| ISBN | : 9780309030298 |
Recycling of Portland Cement Concrete Airport Pavements
| Author | : M. C. Hironaka |
| Publisher | : |
| Total Pages | : 116 |
| Release | : 1987 |
| Genre | : Pavements, Concrete |
| ISBN | : |
The objective of this study was to develop criteria and guidelines for recycling portland cement concrete (PCC) airport aprons. Included in this study are all aspects of the recycling process including breakup and removal, steel reinforcement removal, crushing, screening, stockpiling, mix design, testing, placing, finishing, and performance. Recycling of PCC requires some specialized equipment such as pavement breakers and electromagnets for steel removal; however, all of the other equipment and procedures are those commonly used in the construction industry. Based on the regression experimental design procedure and laboratory tests conducted on pavement samples from six airports of widely varying age and conditions, it has been conclusively shown that aged PCC pavements can be recycled into new surface courses that meet strength requirements and have the same cyclic load carrying (fatigue) characteristics as those constructed with virgin sand content - 42 percent.
