Field Performance Report on Corrugated Polyethylene Pipe on KY 17, Kenton County PDF Download
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Author: L. John Fleckenstein
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 16
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Book Description
Author: L. John Fleckenstein
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 16
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Book Description
Author: L. John Fleckenstein
Publisher:
ISBN:
Category : Pipe, Plastic
Languages : en
Pages : 28
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Book Description
Author: Sarah L. Gassman
Publisher:
ISBN:
Category : Drainage pipes
Languages : en
Pages : 262
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Author:
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 198
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Book Description
In the past, culvert pipes were made only of corrugated metal or reinforced concrete. In recent years, several manufacturers have made pipe of lightweight plastic - for example, high density polyethylene (HDPE) - which is considered to be viscoelastic in its structural behavior. It appears that there are several highway applications in which HDPE pipe would be an economically favorable alternative. However, the newness of plastic pipe requires the evaluation of its performance, integrity, and durability; A review of the Iowa Department of Transportation Standard Specifications for Highway and Bridge Construction reveals limited information on the use of plastic pipe for state projects. The objective of this study was to review and evaluate the use of HDPE pipe in roadway applications. Structural performance, soil-structure interaction, and the sensitivity of the pipe to installation was investigated. Comprehensive computerized literature searches were undertaken to define the state of-the-art in the design and use of HDPE pipe in highway applications. A questionnaire was developed and sent to all Iowa county engineers to learn of their use of HDPE pipe. Responses indicated that the majority of county engineers were aware of the product but were not confident in its ability to perform as well as conventional materials. Counties currently using HDPE pipe in general only use it in driveway crossings. Originally, we intended to survey states as to their usage of HDPE pipe. However, a few weeks after initiation of the project, it was learned that the Tennessee DOT was in the process of making a similar survey of state DOT's. Results of the Tennessee survey of states have been obtained and included in this report. In an effort to develop more confidence in the pipe's performance parameters, this research included laboratory tests to determine the ring and flexural stiffness of HDPE pipe provided by various manufacturers. Parallel plate tests verified all specimens were in compliance with ASTM specifications. Flexural testing revealed that pipe profile had a significant effect on the longitudinal stiffness and that strength could not be accurately predicted on the basis of diameter alone. Realizing that the soil around a buried HDPE pipe contributes to the pipe stiffness, the research team completed a limited series of tests on buried 3 ft-diameter HDPE pipe. The tests simulated the effects of truck wheel loads above the pipe and were conducted with two feet of cover. These tests indicated that the type and quality of backfill significantly influences the performance of HDPE pipe. The tests revealed that the soil envelope does significantly affect the performance of HDPE pipe in situ, and after a certain point, no additional strength is realized by increasing the quality of the backfill.
Author: L. John Fleckenstein
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 36
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Author: Michael Pluimer
Publisher:
ISBN: 9780309446778
Category : Drainage pipes
Languages : en
Pages : 82
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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 870: Field Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content explores the use of corrugated high density polyethylene (HDPE) pipe manufactured with recycled content and proposes guidelines for manufacturing these pipes to ensure they meet the service life requirements for the given application. This project expounded on the research published in NCHRP Report 696. The research consisted of manufacturing several large diameter corrugated HDPE pipes out of various blends of virgin and post-consumer recycled (PCR) materials commonly used in land drainage applications and evaluating these pipes in the field and laboratory to determine their service life in typical installed conditions. PCR materials were the focus of this project as they are more readily available and typically used in the corrugated HDPE pipe industry than post industrial recycled materials. However, the research is applicable to both types. -- cc. http://www.trb.org/main/blurbs/176741.aspx.
Author: L. John Fleckenstein
Publisher:
ISBN:
Category : Pipe, Plastic
Languages : en
Pages : 76
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Author: International Code Council
Publisher:
ISBN: 9781892395573
Category : Building laws
Languages : en
Pages : 0
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Book Description
A comprehensive code for homebuilding, bringing together all building, plumbing, mechanical, and electrical provisions for one- and two-family residences, and establishing minimum regulations using prescriptive provisions.
Author: David Toop
Publisher:
ISBN:
Category : History
Languages : en
Pages : 328
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Book Description
"Ocean of Sound" begins in 1889 at the Paris Exposition when Debussy first heard Javanese music performed. A culture absorbed in perfume, light and ambient sound developed in response to the intangibility of 20th century communications. David Toop traces the evolution of this culture, through Erik Satie to the Velvet Undergound; Miles Davis to Jimi Hendrix. David Toop, who lives in London, is a writer, musician and recording artist. His other books are "Rap Attack 3 "and "Exotica,"
Author:
Publisher:
ISBN:
Category : Hazardous wastes
Languages : en
Pages : 690
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Book Description
