Title: Comparing Liquefaction Procedures in the U.S.and China
Abstract:Liquefaction is a common occurrence in seismic areas in the United States and China,however these countries use different methods to evaluate the potential for liquefaction.This paper compares the sta...Liquefaction is a common occurrence in seismic areas in the United States and China,however these countries use different methods to evaluate the potential for liquefaction.This paper compares the standard-of-practice and state-of-the-art analysis methods in both countries to determine the similarities and differences.Results are presented on method compatibility,method disagreement,and what can be learned.Of particular importance is how the influence of fines content and/or clay fraction is treated.It is shown that clean sand triggering curves are in general agreement between the two countries but when sandy soils contain fines the use of clay fraction as a controlling variable is not recommended because it may result in unconservative results.The Standard Penetration Test(SPT) is routinely used in both countries and a direct comparison of methods can be made.The Cone Penetration Test(CPT) commonly used in the United States,has recently found more widespread use in China.The benefits of the CPT are discussed and illustrated in a liquefaction case history recently reacquired from the 1976 Tangshan Earthquake.Read More
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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Cited By Count: 3
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