Pile Cap Soil Interaction from Full-Scale Lateral Load Tests

by Jai B. Kim, (M.ASCE), Prof. and Chmn. of Civ. Engrg.; Bucknell Univ., Lewisburg, Pa.,
Robert J. Brungraber, (M.ASCE), Prof. of Civ. Engrg.; Bucknell Univ., Lewisburg, Pa.,
Lakshman P. Singh, (A.M.ASCE), Engr.; Stone and Webster Engrg. Corp., Cherry Hill, N.J.,

Serial Information: Journal of the Geotechnical Engineering Division, 1979, Vol. 105, Issue 5, Pg. 643-653

Document Type: Journal Paper

Discussion: O'Neill Michael W. (See full record)
Closure: (See full record)


The results of full-scale lateral load tests on three groups of six piles were published earlier in January , 1976 as Proc Paper 11849. Additional full-scale lateral load tests were performed on the same pile groups and piles after removing 4 in. of soil from under the pile caps to study the effect of the soil directly under the pile caps on the lateral capacity of pile groups. In the range of 16.66 kips/pile to 33.33 kips/pile lateral loads, the absence of the soil under the pile caps increased significantly both the lateral deflections of the pile groups and bending moments in piles.

Subject Headings: Lateral loads | Load tests | Pile tests | Soil-pile interaction | Load factors | Full-scale tests | Soil tests | Pile groups | Piles | Professional societies

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