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On the shearing behaviour of an artificially cemented soil

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Abstract

Ground improvement by cementation is a technique widely used because of the easiness of application and relatively low cost. To date, however, there is no global understanding of the behaviour of artificially cemented soil with respect to its dosage, so that in practice methodologies still rely on previous used scenarios rather than scientific facts. This paper presents results of low-to-high-pressure triaxial tests performed on pure and cemented specimens of decomposed granite where the dosage was controlled, chosen as a function of the ratio of porosity to volumetric cement content or adjusted porosity/cement index. The behaviour of the cemented soil was analysed in terms of peak strength and failure envelopes, stress dilatancy and state boundary surfaces, on which the influence of the porosity/cement index was examined.

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Acknowledgments

This research was developed under the activities of FCT (Portuguese Foundation for Science and Technology) research unit CEC, in FEUP [PTDC/ECM/099475/2008], and financed by the European Community (QREN/UE/FEDER), Operational Program for Competitive Factors “COMPETE”. The first author had the financial support of the PhD Grant SFRH/BD/29346/2006.

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Authors and Affiliations

  1. University of Porto, Porto, Portugal

    Sara Rios & António Viana da Fonseca

  2. University of Hong Kong, Pokfulam, Hong Kong

    Béatrice Anne Baudet

Authors
  1. Sara Rios
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  2. António Viana da Fonseca
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  3. Béatrice Anne Baudet
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Correspondence to Sara Rios.

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Béatrice Anne Baudet was Formerly in University College London, UK.

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Rios, S., Viana da Fonseca, A. & Baudet, B.A. On the shearing behaviour of an artificially cemented soil. Acta Geotech. 9, 215–226 (2014). https://doi.org/10.1007/s11440-013-0242-7

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  • DOI: https://doi.org/10.1007/s11440-013-0242-7

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