SPT and Relative Density in Coarse Sands

by William F. Marcuson, III, (M.ASCE), Research Civ. Engr.; Soils and Pavements Lab., U.S. Army Engr. Waterways Experiment Station, Vicksburg, Miss.,
Wayne A. Bieganousky, (A.M.ASCE), Research Civ. Engr.; Soils and Pavements Lab., U.S. Army Engr. Waterways Experiment Station, Vicksburg, Miss.,


Serial Information: Journal of the Geotechnical Engineering Division, 1977, Vol. 103, Issue 11, Pg. 1295-1309


Document Type: Journal Paper

Discussion: de Mello Victor F.B. (See full record)
Discussion: Reitz Henry M. (See full record)
Discussion: de Mello Victor F.B. (See full record)
Discussion: Gibbs Harold J. (See full record)
Closure: (See full record)

Abstract: The Standard Penetration Test (SPT) is critically examined with respect to its ability to estimate relative density in situ. SPT's were performed using field drilling equipment at three overburden pressures on 4-ft (1.22-m) diam by 6-ft (1.83-m) high test specimens constructed using Platte River and Standard Concrete sands at three relative densities. The results are presented as a family of curves correlating relative density with SPT N values for the three testing pressures. This research was an extension of a previous SPT test series on Reid-Bedford Model and Ottawa sands. The results of testing the four sands were compared and a statistical analysis produced an empirical equation relating relative density to effective overburden pressure, N value, and coefficient of uniformity. Comparisons are also made between this work and the previous work of Gibbs and Holtz at the Bureau of Reclamation and Bazaraa at the University of Illinois.

Subject Headings: Sandy soils | Density (material) | Soil pressure | Model tests | Penetration tests | Drilling | Equipment and machinery

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