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Author: Anselem H. Rumpca
Publisher:
ISBN:
Category : Pipe, Plastic
Languages : en
Pages : 90
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Book Description
This report presents the findings and recommendations on the evaluation of High Density Polyethylene (HDPE) Pipe resulting from a 1996 Transportation Enhancement/Hazard Elimination Project in Martin, South Dakota. This was the first project where HDPE pipe was allowed to be installed under a state highway in South Dakota. Department researchers installed instrumentation and conducted deflection testing on a 760 mm (30 in) HDPE pipe installed under US Highway 18 in Martin, South Dakota. A horizontal inclinometer probe was used to determine vertical heave or settlement. Surface profiles were monitored with a Dipstick® Floor Profiler. Thirteen separate sets of measurements were taken between August 1996 and June 1997. Costs were determined for installation and delivery of both HDPE pipes and reinforced concrete pipes (RCP). Neighboring states were surveyed to determine their costs for storm sewer pipes as well as specifications for installing HDPE pipes. Recommendations were made to allow the installation of HDPE pipe based on information received from the state survey, literature reviews, and the results of the Martin, South Dakota Project.
Author: Anselem H. Rumpca
Publisher:
ISBN:
Category : Pipe, Plastic
Languages : en
Pages : 90
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Book Description
This report presents the findings and recommendations on the evaluation of High Density Polyethylene (HDPE) Pipe resulting from a 1996 Transportation Enhancement/Hazard Elimination Project in Martin, South Dakota. This was the first project where HDPE pipe was allowed to be installed under a state highway in South Dakota. Department researchers installed instrumentation and conducted deflection testing on a 760 mm (30 in) HDPE pipe installed under US Highway 18 in Martin, South Dakota. A horizontal inclinometer probe was used to determine vertical heave or settlement. Surface profiles were monitored with a Dipstick® Floor Profiler. Thirteen separate sets of measurements were taken between August 1996 and June 1997. Costs were determined for installation and delivery of both HDPE pipes and reinforced concrete pipes (RCP). Neighboring states were surveyed to determine their costs for storm sewer pipes as well as specifications for installing HDPE pipes. Recommendations were made to allow the installation of HDPE pipe based on information received from the state survey, literature reviews, and the results of the Martin, South Dakota Project.
Author: David A. Meggers
Publisher:
ISBN:
Category :
Languages : en
Pages : 37
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Book Description
The purpose of this project was to install several sections of high density polyethylene (HDPE) pipe for initial and long-term evaluation. Three sections of pipe were installed. Two sections of 24-inch diameter and one section of 30-inch diameter pipe were installed during the reconstruction of K-66 between Riverton and Galena, Kansas. The pipes were inspected for damage due to construction and measured for deflections shortly after installation and then intermittently for the next 25 years.
Author: David B. Woodham
Publisher:
ISBN:
Category : Pipe, Plastic
Languages : en
Pages : 48
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Book Description
Six high-density polyethylene (HDPE) pipes were installed as rundowns in the Summer of 1985 on Interstate 70 west of Denver. The HDPE pipes were able to handle the corrosive and abrasive runoff and eliminated the need for heavy equipment during placement on the steep fill slopes. No problems were observed with the use of these pipes during four and one-half years of monitoring.
Author: Sarah L. Gassman
Publisher:
ISBN:
Category : Drainage pipes
Languages : en
Pages : 262
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Book Description
Author: Hancor, Inc
Publisher:
ISBN:
Category : Drainage pipes
Languages : en
Pages :
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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: Priyantha Warnasuriya Jayawickrama
Publisher:
ISBN:
Category : Pipe, Plastic
Languages : en
Pages : 262
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Book Description
Author: Yick Grace Hsuan
Publisher: Transportation Research Board
ISBN: 9780309066075
Category : Science
Languages : en
Pages : 60
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Author: TianQiao Liu
Publisher: Springer Nature
ISBN: 9819715148
Category :
Languages : en
Pages : 581
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Book Description
Author: Songwut Hengprathanee
Publisher:
ISBN:
Category : Finite element method
Languages : en
Pages : 144
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Book Description
