REVIEW OF SPECIFICATIONS FOR BURIED CORRUGATED METAL CONDUIT INSTALLATIONS

The national specifications for AASHTO and the American Iron and Steel Institute for buried corrugated metal conduits for the past 15 years are reviewed. Increasing restrictions on backfill conditions are shown and limitations of the backfill specifications are pointed out. Deficiencies in compaction specifications are indicated. Changes in deflection guidelines are described, including the undesirable elimination of tolerances for ordinary conduits. Implications in the trends for the allowable flexibility factor are considered. The need for clarifying the functions of the special features on the long-span structures is indicated. Some aspects of conduit design needing further research are suggested. The establishment of a unified set of specifications incorporating both ordinary and long-span conduits is suggested. Finally, a reexamination of existing culverts built under previous, less restrictive guidelines is recommended.

• Record URL:
  • http://onlinepubs.trb.org/Onlinepubs/trr/1985/1008/1008-003.pdf
• Record URL:
  • https://scholar.google.com/scholar_lookup?title=REVIEW+OF+SPECIFICATIONS+FOR+BURIED+CORRUGATED+METAL+CONDUIT+INSTALLATIONS&author=E.+Selig&publication_year=1985
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0309038189
• Supplemental Notes:
  • Publication of this paper sponsored by Committee on Subsurface Soil -Structure Interaction. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
• Authors:
  • Selig, Ernest T
• Publication Date: 1985

Media Info

• Media Type: Print
• Features: References; Tables;
• Pagination: pp 15-21
• Monograph Title: Culverts: analysis of soil culvert interaction and design
• Serial:
  • Transportation Research Record
  • Issue Number: 1008
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Compaction; Corrugated metal culverts; Deflection; Flexibility; Guidelines; Pipe; Reviews; Specifications; Underground structures
• Subject Areas: Bridges and other structures; Design; Environment; Geotechnology; Highways; I42: Soil Mechanics;

Filing Info

• Accession Number: 00459560
• Record Type: Publication
• ISBN: 0309038189
• Files: TRIS, TRB
• Created Date: Nov 30 1986 12:00AM