14.
Vienna, VA, 1980.
15.
Katona, M.G. and Smith, J.M., CANDE User Manual, FHWA-RD-77-6, Federal
Highway Administration, October, 1976.
16.
Spangler, M.G, Underground Conduits - An Appraisal of Modern Research,
Transactions, ASCE, pp 316-373, 1948.
17.
Commercial Shearing, Inc., Soft Ground Tunneling (company brochure),
Catalog T-1, Youngstown, OH, 1971.
18.
Watkins, R.K. and Moser, A.P., Response of Corrugated Steel Pipe to
External Soil Pressures, Highway Research Record Number 373, Highway
Research Board, 1971.
19.
Duncan, J.M., Behavior and Design of Long Span Metal Culverts, Journal
of the Geotechnical Engineering Division, ASCE, Vol. 105, No. GT3,
1979.
20.
Obert, L., Duvall, W.I. and Merrill, R.H., Design of Underground
Openings in Competent Rock, Bulletin, U.S. Bureau of Mines.
21.
Proctor, R.V. and White, T.L., Rock Tunneling With Steel Supports,
Commercial Shearing Inc., Youngstown, OH, 1968.
22.
Barton, N., Lien, R. and Lunde, J., Engineering Classification of Rock
Masses for Tunnel Support, Rock Mechanics, Volume 6, No. 4, Journal
International Society of Rock Mechanics, 1974.
23.
Proctor, R.V. and White, T.L., Earth Tunneling With Steel Supports,
Commercial Shearing, Inc., Youngstown, OH, 1977.
Peck, R.B., Tunneling in Soft Ground, Geotechnical Considerations,
24.
Seminar on Underground Construction, Vail, CO, 1976.
25.
Naval Facilities Engineering Command, Design Manuals (DM)
DM-5.03
DM-21 Series
Airfield Pavements
Copies of design manuals may be obtained,from the U.S. Naval
Publications and Forms Center, 5801 Tabor Avenue, Philadelphia,
Pennsylvania 19120.
Change 1, September 1986
7.1-204