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This report pertains to tests of full-size concrete deadman anchorages in sand and is limited to horizontal loads applied to concrete deadmen of two sizes buried at ground level, 1-, 2-, and 3-ft depths under level sand fill. Anchorages were loaded, until failure, by means of special test apparatus assembled in a sand beach area. Horizontal, vertical, and rotational movements per load increments and failure wedge dimensions were recorded. The anchorages were tested at ground level to determine the size and shape of the failure wedge and the effect of soil density on holding power. They were then tested at 1-, 2-, and 3-ft depths in a water compacted fill to determine the effect of depth on holding power. The basis for present design practice is compared with test results, and the results are then interpreted on a basis of practical application.
Smith, J. E.
U. S. Naval Civil Engineering Research and Evaluation,