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Effect of temperature and salt concentration of pore fluid on the behaviour of an expansive soil during drying and wetting cycles.

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Title: Effect of temperature and salt concentration of pore fluid on the behaviour of an expansive soil during drying and wetting cycles.
Authors: Estabragh, A. R.1 (AUTHOR) raeesi@ut.ac.ir, Amini, M.1 (AUTHOR), Javadi, A. A.2 (AUTHOR), Salehzadeh, H.3 (AUTHOR)
Source: Geomechanics & Geoengineering. Nov2024, Vol. 19 Issue 6, p1038-1054. 17p.
Subjects: Swelling soils, Pore fluids, Soil drying, Soil wetting, Distilled water
Abstract: A study was conducted on the effects of temperature and salt concentration of pore fluid on the properties of an expansive soil during drying and wetting cycles. The experimental tests were performed on modified and conventional odometers at constant and variable temperatures under 10 kPa surcharge pressure. Distilled water and solutions of sodium chloride and calcium chloride with concentration of 250 g/litre were used for making samples and distilled water was used for inundating samples during the wetting stage. The results showed that the swelling potential is decreased with increasing the number of cycles for both constant and variable temperature conditions. It was revealed that the potential of swelling is a function of salt concentration of pore fluid of the sample and the effect of temperature on the potential of shrinkage and swelling is negligible. The variation of void ratio with water content is dependent on the salt concentration of pore fluid and the position of void ratio-water content curve is a function of temperature. The results of scanning electron microscopy (SEM) tests showed that the structure of soil is changed during drying and wetting cycles which results in the reduction of potential of shrinkage and swelling. [ABSTRACT FROM AUTHOR]
Copyright of Geomechanics & Geoengineering is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 180359080
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PubTypeId: academicJournal
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  Data: Effect of temperature and salt concentration of pore fluid on the behaviour of an expansive soil during drying and wetting cycles.
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  Data: <searchLink fieldCode="JN" term="%22Geomechanics+%26+Geoengineering%22">Geomechanics & Geoengineering</searchLink>. Nov2024, Vol. 19 Issue 6, p1038-1054. 17p.
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  Data: <searchLink fieldCode="DE" term="%22Swelling+soils%22">Swelling soils</searchLink><br /><searchLink fieldCode="DE" term="%22Pore+fluids%22">Pore fluids</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+drying%22">Soil drying</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+wetting%22">Soil wetting</searchLink><br /><searchLink fieldCode="DE" term="%22Distilled+water%22">Distilled water</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A study was conducted on the effects of temperature and salt concentration of pore fluid on the properties of an expansive soil during drying and wetting cycles. The experimental tests were performed on modified and conventional odometers at constant and variable temperatures under 10 kPa surcharge pressure. Distilled water and solutions of sodium chloride and calcium chloride with concentration of 250 g/litre were used for making samples and distilled water was used for inundating samples during the wetting stage. The results showed that the swelling potential is decreased with increasing the number of cycles for both constant and variable temperature conditions. It was revealed that the potential of swelling is a function of salt concentration of pore fluid of the sample and the effect of temperature on the potential of shrinkage and swelling is negligible. The variation of void ratio with water content is dependent on the salt concentration of pore fluid and the position of void ratio-water content curve is a function of temperature. The results of scanning electron microscopy (SEM) tests showed that the structure of soil is changed during drying and wetting cycles which results in the reduction of potential of shrinkage and swelling. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Geomechanics & Geoengineering is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1080/17486025.2024.2342245
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 17
        StartPage: 1038
    Subjects:
      – SubjectFull: Swelling soils
        Type: general
      – SubjectFull: Pore fluids
        Type: general
      – SubjectFull: Soil drying
        Type: general
      – SubjectFull: Soil wetting
        Type: general
      – SubjectFull: Distilled water
        Type: general
    Titles:
      – TitleFull: Effect of temperature and salt concentration of pore fluid on the behaviour of an expansive soil during drying and wetting cycles.
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            NameFull: Javadi, A. A.
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            NameFull: Salehzadeh, H.
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            – D: 01
              M: 11
              Text: Nov2024
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              Y: 2024
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