TM 5-818-1 / AFM 88-3, Chap. 7
(Courtesy of H. B Seed and 1. M Idrisv. "Simplified
Procedure for Evaluating Soil Liquefaction Potential."
Journal, Soul Mechanics and Foundations Division. Vol
97, No. SM9. 1971, pp 1249-1273. Reprinted by
permission of the American Society, of Civil Engineers.
Figure 17-11. Variation of viscous damping with cyclic strain amplitude, data scatter up to about 50 percent of average
dumping values shown for any strain.