Influence of various factors on the difference in the liquid limit values determined by Casagrande's and fall cone method

Anil Kumar Mishra, Masami Ohtsubo, Loretta Y. Li, Takahiro Higashi

研究成果: Contribution to journalArticle査読

19 被引用数 (Scopus)

抄録

As there are many correlations linking the liquid limit directly or indirectly with various engineering properties of the soil, the accurate determination of the liquid limit is quite essential. Generally, two methods, i.e. Casagrande's and fall cone are adopted to determine the liquid limit of soil. Research was carried out to study the influence of the properties of bentonite and the presence of the salt solution on the liquid limit values of soil-bentonite mixtures determined by the Casagrande's and fall cone methods. The results showed that irrespective of the presence of the type of bentonite or salt solution, a higher value of the liquid limit was obtained by the Casagrande's method as compared to the fall cone method. However, the difference between the two methods decreased with the decrease in the liquid limit, clay fraction, specific surface area and free swelling capacity of the bentonite present in the mixture. Similarly, the difference in the liquid limit values obtained by both these methods is reduced with an increase in the salt concentration.

本文言語英語
ページ(範囲)21-27
ページ数7
ジャーナルEnvironmental Earth Sciences
65
1
DOI
出版ステータス出版済み - 1 1 2012

All Science Journal Classification (ASJC) codes

  • 地球変動および惑星変動
  • 環境化学
  • 水の科学と技術
  • 土壌科学
  • 汚染
  • 地質学
  • 地表過程

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