Effect of temperature on volume change behaviour of statically compacted kaolin clay

Ogechi Chinonye Mary Ileme, Gabriela M. Medero, Peter Keith Woodward

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Abstract

Several soils are subjected to high temperature due to the environment where they are located or activities around them. For instance, the upper layer of soils in tropical regions, soils around geothermal structures, clay barriers around nuclear waste repository systems. Numerous studies have pointed out that high temperature affects the hydro-mechanical properties of soils. Notwithstanding already existing studies, the influence of temperature on soils is still a challenge, as most of these studies are soil specific and cannot be inferred as the behaviour of all soils. This paper presents an experimental study on the influence of temperature on the volume change behaviour of statically compacted kaolin clay. Compacted samples were tested at 25oC and 50oC using a suction controlled oedometer cell. The influence of temperature on the magnitude of volumetric strain occurring during mechanical and thermal loading was investigated. The study showed that an increase in temperature increased the magnitude of volumetric strain observed on loading. Additionally, the results presented in the light of LC curve showed that an increase in temperature resulted in the contraction and a shift in the position of the LC curve.
Original languageEnglish
Title of host publication3rd European Conference on Unsaturated Soils – “E-UNSAT 2016”
PublisherEDP Sciences
DOIs
Publication statusPublished - 12 Sep 2016
Event3rd European Conference on Unsaturated Soils 2016 - École des Ponts ParisTech (ENPC), Paris, France
Duration: 12 Sep 201614 Sep 2016
http://eunsat2016.sciencesconf.org/

Publication series

Name E3S Web of Conferences
PublisherEDP Sciences
Volume9
ISSN (Electronic)2267-1242

Conference

Conference3rd European Conference on Unsaturated Soils 2016
Abbreviated titleE-UNSAT 2016
CountryFrance
CityParis
Period12/09/1614/09/16
Internet address

Keywords

  • Unsaturated soils
  • geotechnical engineering

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    Ileme, O. C. M., Medero, G. M., & Woodward, P. K. (2016). Effect of temperature on volume change behaviour of statically compacted kaolin clay. In 3rd European Conference on Unsaturated Soils – “E-UNSAT 2016” [07004] ( E3S Web of Conferences; Vol. 9). EDP Sciences. https://doi.org/10.1051/e3sconf/20160907004