Recycling and Rehabilitating Low-volume Roads PDF Download
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Author: Publisher: ISBN: Category : Low-volume roads Languages : en Pages : 121
Book Description
Approximately 25,000 miles of the roadway system maintained by the Pennsylvania Department of Transportation are classified as low-volume collector or access roads. In many instances the condition of these roadways can no longer be significantly improved by routine maintenance, and thus major rehabilitation is warranted. The existing surface and base course materials on these roadways represent an investment by the Pennsylvania Department of Transportation. The development of a reliable and predictable procedure to utilize this existing roadway material to the best advantage would be valuable in extending the mileage that can be rehabilitated with existing resources. Cold-recycling is a potentially cost-effective procedure for reconstructing these low-volume roads. Two roadways were cold-recycled in place during 1985-1986 using emulsion and cement/fly ash stabilization. The mixture design, construction operations and performance of these roads were monitored as part of this project.
Author: Publisher: ISBN: Category : Low-volume roads Languages : en Pages : 121
Book Description
Approximately 25,000 miles of the roadway system maintained by the Pennsylvania Department of Transportation are classified as low-volume collector or access roads. In many instances the condition of these roadways can no longer be significantly improved by routine maintenance, and thus major rehabilitation is warranted. The existing surface and base course materials on these roadways represent an investment by the Pennsylvania Department of Transportation. The development of a reliable and predictable procedure to utilize this existing roadway material to the best advantage would be valuable in extending the mileage that can be rehabilitated with existing resources. Cold-recycling is a potentially cost-effective procedure for reconstructing these low-volume roads. Two roadways were cold-recycled in place during 1985-1986 using emulsion and cement/fly ash stabilization. The mixture design, construction operations and performance of these roads were monitored as part of this project.
Author: Ken Skorseth Publisher: ISBN: Category : Gravel roads Languages : en Pages : 112
Book Description
The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author: Hosam M. Saleh Publisher: BoD – Books on Demand ISBN: 1837680116 Category : Technology & Engineering Languages : en Pages : 146
Book Description
Recycling is an act of collecting and processing items that would otherwise be discarded as waste in order to create a new product. Recycled material is being used in an increasing number of today’s products. Waste management is primarily concerned with a wide range of wastes, including industrial, biological, household, municipal, organic, biomedical, and radioactive wastes. Human activity, such as the mining and processing of basic resources, generates waste and poses health problems that can emerge both indirectly and directly. Waste mismanagement is a serious problem on an individual and a governmental level. Nowadays, the waste disposal business is struggling to adapt to globalized consumerism, a system in which things are manufactured on one continent, purchased and used on another, and disposed of on yet another. Therefore, remediation is often subject to a variety of legal criteria, but it can also be based on evaluations of human health and environmental concerns in cases where no statutory standards exist or when standards are advisory. This book discusses recycling strategies and technologies to find solutions to waste management. Chapters address such topics as biodegradable waste, the circular economy, managing industrial and nuclear waste, and much more.
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Author: Gayle Maurer
Author: Daniel E. Sheftick
Author: David A. Anderson
Author: David A. Anderson
Author: Ken Skorseth
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Author: David A. Anderson
Author: Hosam M. Saleh
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