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DISCUSSION OF "ANALYZING LIQUEFACTION­ INDUCED LATERAL SPREADS USING STRENGTH RATIOS" BY S. M. OLSON AND C. I. JOHNSON (2009)

The authors have presented an excellent study that provides theĀ­oretical and empirical justification for the use of the Newmark sliding-block method in estimating displacements of lateral spreads using residual strength values. The discussers believe that this is insightful work and will have a strong impact on research and practice, and would like to commend the authors on their efforts. The purpose of this discussion is to examine the use of 
index test values that were derived from other index test values through some conversion by means of statistical correlation. This type of conversion was used for a number of the case histories presented by the authors and the discussers believe that an open discussion is warranted.
Reference:
ournal of Geotechnical and Geoenvironmental Engineering (2009)
Organization:
Dept. of Civil and Environmental Engineering, California Polytechnic State University, San Luis Obispo
USA
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