Evaluation of Backfill Materials and Installation Methods for High Density Polyethylene Pipe: Final Report

Jayawichrama, P. W.; Amarasiri, A. L.; Region, P. E.; Alam, M. D.; Texas Tech University. Dept. of Civil Engineering

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Evaluation of Backfill Materials and Installation Methods for High Density Polyethylene Pipe: Final Report

2001-02-01
By Jayawichrama, P. W. ; Amarasiri, A. L. ; Region, P. E. ; ...

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Creators:

Jayawichrama, P. W. ; Amarasiri, A. L. ; Region, P. E. ; Alam, M. D.

Jayawichrama, P. W. ; Amarasiri, A. L. ; Region, P. E. ; Alam, M. D. Less -
Corporate Creators:

Texas Tech University. Dept. of Civil Engineering
Corporate Contributors:

Texas. Dept. of Transportation. Research and Technology
Subject/TRT Terms:

[+]

Backfill Soils Cement Treated Soils Construction Drainage Structures Economic Analysis Economics Flowable Fill Geotechnology Granular Soils Highways Hydraulics And Hydrology I20: Design And Planning Of Transport Infrastructure I30: Materials I50: Construction And Supervision Of Construction Maintenance And Preservation Materials
Publication/ Report Number:

TX-99/1809-3
Resource Type:

Tech Report
Geographical Coverage:

Texas ; United States

Texas ; United States Less -
TRIS Online Accession Number:

00928047
Edition:

Final Report
Corporate Publisher:

Texas. Dept. of Transportation
Abstract:

This research developed new specifications for the use of large diameter (36 in. to 48 in.) high density polyethylene (HDPE) pipe in Texas Department of Transportation construction projects. One of the primary tasks in the project was to identify backfill materials that would provide both reliability and economy at the same time. The research plan for accomplishing this task included: a) survey of other State DOT practices, b) monitoring of several HDPE pipe installation projects, c) a constructability review, d) an economic analysis, and e) full-scale field load testing. Three types of backfill were selected based on the findings from this study: a) granular backfill, b) cement stabilized backfill, and c) flowable fill. Among these, granular backfill provides the best economy. The specified gradation band for granular backfill was selected such that good reliability can be achieved in pipe installations without the need for elaborate quality control measures. Cement stabilized backfill and flowable backfill are much less economical but may be used to meet special construction needs. The proposed specifications also developed maximum fill height and minimum cover criteria.
Format:

PDF
Funding:

Project No. 0-1809
Collection(s):

US Transportation Collection
Main Document Checksum:

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urn:sha256:a2ffa14f9d9d4058c6ce46fa3040eac8ad1573c6462c741b4fcf64bdb4461507
Download URL:

https://rosap.ntl.bts.gov/view/dot/42055/dot_42055_DS1.pdf
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Evaluation of Backfill Materials and Installation Methods for High Density Polyethylene Pipe: Final Report

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