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Use of SPT and CPT Tests for Evaluating the Liquefaction Resistance of Sands

H. Bolton Seed, Pedro de Alba

Open publisher page 162 citations

Abstract

A cone penetration test (CPT)-liquefaction resistance relationship has been established using the large body of standard penetration test (SPT) data. Factors for relating CPT tip resistance and SPT N-values were developed for this purpose. These factors depend on the mean grain size of the material. On this basis, relationships between CPT cone tip resistance and liquefaction resistance are proposed; the resulting curves vary with the mean diameter and fines content of the material. These curves are compared with the limited available field data and satisfactory agreement is shown. The desirability of a judicious combination of CPT and SPT tests for evaluating the liquefaction resistance of any given site is suggested.

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What this paper is about

A cone penetration test (CPT)-liquefaction resistance relationship has been established using the large body of standard penetration test (SPT) data. Factors for relating CPT tip resistance and SPT N-values were developed for this purpose. These factors depend on the mean grain size of the material. On this basis, relationships between CPT cone tip resistance and liquefaction resistance are proposed; the resulting curves vary with the mean diameter and fines content of the material. These curves are compared with the limited available field data and satisfactory agreement is shown. The desirability of a judicious combination of CPT and SPT tests for evaluating the liquefaction resistance of any given site is suggested.

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OpenAlex reports 162 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A cone penetration test (CPT)-liquefaction resistance relationship has been established using the large body of standard penetration test (SPT) data. Factors for relating CPT tip resistance and SPT N-values were developed for this purpose. These factors depend on the mean grain size of the material. On this basis, relationships between CPT cone tip resistance and liquefaction resistance are proposed; the resulting curves vary with the mean diameter and fines content of the material. These curves are compared with the limited available field data and satisfactory agreement is shown. The desirability of a judicious combination of CPT and SPT tests for evaluating the liquefaction resistance of any given site is suggested.

Key concepts: Liquefaction, Penetration test, Cone penetration test, Standard penetration test, Geotechnical engineering, Penetration (warfare), Geology, Engineering

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