Design for Railroad Ballast and Subgrade Support

by Gerald Patrick Raymond, (M.ASCE), Prof.; Dept. of Civ. Engrg., Queen's Univ., Kingston, Ontario, Canada,

Serial Information: Journal of the Geotechnical Engineering Division, 1978, Vol. 104, Issue 1, Pg. 45-60

Document Type: Journal Paper

Discussion: Newby Jack E. (See full record)
Discussion: Karafiath Leslie L. (See full record)
Closure: (See full record)

Abstract: A rational design method for railroad ballast and subgrade support based on the Casagrande classification of soils is presented. Ballast increments for upgrading existing track for soft spots and increased wheel load are also examined, as are ballast cleaning undercutting depths. As far as can be judged existing practices for ballast depths concur with the conclusions.

Subject Headings: Railroad ballast | Subgrades | Soil classification | Vehicle loads | Subgrade soils | Load factors |

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