A sole empirical correlation expressing strength of fine-grained soils – lime mixtures

N. C. Consoli, Erdin Ibraim, Andrea Diambra, L. Festugato, Sérgio Filipe, Veloso Marques

Research output: Contribution to journalArticle (Academic Journal)peer-review

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Abstract

This paper advances understanding of the key parameters controlling unconfined compressive strength (qu) of lime stabilized fine-grained soils by considering distinct specimen porosities (), different lime types and contents and several curing temperatures and time periods. A sole empirical relationship establishing the normalized unconfined compression strength for lime stabilized fine-grained materials considering all porosities, lime contents, curing temperatures and curing periods studied is proposed. From a practical point of view, this means that a very limited number of unconfined compression tests on specific lime stabilized fine-grained material specimens molded with a given lime type and amount, porosity, moisture content and cured for a given time period at a particular temperature, should be sufficient to estimate the strength for an entire range of porosities and lime contents at any given condition. Examples of the practicality of the proposed relationship are presented.
Original languageEnglish
Pages (from-to)147-154
Number of pages8
JournalSoils and Rocks
Volume40
Issue number2
Publication statusPublished - 1 Aug 2017

Keywords

  • Normalization
  • Porosity
  • Lime
  • Strength
  • Fine grained soils
  • Porosity/lime index

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