The penetration experiment to predict liquefaction resistance of reclaimed soils

Jing-Wen Chen, Fu Cheng Chen

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The liquefaction resistance of the soils used to be estimated through the in situ tests, such as standard penetration test and cone penetration test; or by means of cyclic triaxial test in laboratory. However, both in situ tests and cyclic triaxial test are time-consuming and costly; this study introduces a quick and cost-effective method to evaluate the liquefaction resistance of soils under certain confining pressure in laboratory. A particular device modified from the conventional triaxial compression test apparatus, namely "Triaxial Cone Penetration Test", was developed to obtain the peak values of cone resistance in soils so as to correlate the liquefaction resistance of the reclaimed soils evaluated by cyclic triaxial tests. The test result indicates a good correlation between the peak value of cone resistance and the corresponding cyclic stress ratio (CSR) at the state of initial liquefaction, in which the correlation for loose samples is better than that for dense samples. Besides, both peak values of cone resistance and corresponding CSR increase with fine content of soils reaches 10% and decreased with fine content varying between 10% and 50%. By examining the compositions of the soils with scanning electron microscopy and X-ray diffraction, it is found that the proportion and characteristics of the fines plays an important role on the liquefaction resistance of the reclaimed soils.

Original languageEnglish
Pages (from-to)380-392
Number of pages13
JournalOcean Engineering
Volume35
Issue number3-4
DOIs
Publication statusPublished - 2008 Mar 1

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Liquefaction
Soils
Cones
Experiments
X ray diffraction
Scanning electron microscopy
Chemical analysis
Costs

All Science Journal Classification (ASJC) codes

  • Ocean Engineering
  • Environmental Engineering

Cite this

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The penetration experiment to predict liquefaction resistance of reclaimed soils. / Chen, Jing-Wen; Chen, Fu Cheng.

In: Ocean Engineering, Vol. 35, No. 3-4, 01.03.2008, p. 380-392.

Research output: Contribution to journalArticle

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