Physical Model Tests of Dolos Impact Stresses

by J. M. Stallings, (A.M.ASCE), Auburn Univ, United States,
J. W. Tedesco, (M.ASCE), Auburn Univ, United States,



Document Type: Proceeding Paper

Part of: Structures Congress XII

Abstract:

An on-going experimental study to determine impact stresses and static nesting stresses in instrumented large scale model dolosse is described in this paper. Seven dolosse were instrumented with surface strain gages at critical locations on the unit. The units were then subjected to vibrating ramp tests (to quantify the nesting stresses) and dry land impact tests (drop tests) for which strain data was recorded at a sampling rate of approximately 10,000 hertz. The results of these experiments are being used to support development of a rational structural design methodology for dolos armor units.

Subject Headings: Stress analysis | Impact tests | Concrete blocks | Strain | Coastal protection structures | Strain gages | Structural analysis

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