<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents the results of laboratory studies of the 200 MPa pressure effect on specific surface area of clay. The original high-pressure investigation stand was used for the pressure tests. Determination of the specific surface area was performed by the methylene blue adsorption method. The results of the specific surface area test were compared for non-pressurized clays and for clays pressured in a high-pressure chamber. It was found that the specific surface area of pressurized soil clearly increased. This shows that some microstructural changes take place in the soil skeleton of clays.</p></abstract>

The paper presents the results of laboratory studies of the 200 MPa pressure effect on specific surface area of clay. The original high-pressure investigation stand was used for the pressure tests. Determination of the specific surface area was performed by the methylene blue adsorption method. The results of the specific surface area test were compared for non-pressurized clays and for clays pressured in a high-pressure chamber. It was found that the specific surface area of pressurized soil clearly increased. This shows that some microstructural changes take place in the soil skeleton of clays.

The Effect of 200 MPa Pressure on Specific Surface Area of Clay

Institute of Geotechnics and Hydrotechnics, Civil Engineering Department, Wrocaw University of Technology, Wybrze Wyspiańskiego 27, 50-370 Wrocaw, Poland,

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"The Effect of 200 MPa Pressure on Specific Surface Area of Clay"}

The paper presents the results of laboratory studies of the 200 MPa pressure effect on specific surface area of clay. The original high-pressure investigation...

The Effect of 200 MPa Pressure on Specific Surface Area of Clay

Published Online: Feb 28, 2015

Page range: 3 - 6

DOI: https://doi.org/10.2478/sgem-2014-0030

Keywords
clay, high pressure, specific surface area, microstructural changes

© 2014 Ewa Koszela-Marek

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Effect of 200 MPa Pressure on Specific Surface Area of Clay

Published Online: Feb 28, 2015

Page range: 3 - 6

DOI: https://doi.org/10.2478/sgem-2014-0030

Keywordsclay, high pressure, specific surface area, microstructural changes

© 2014 Ewa Koszela-Marek

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
clay, high pressure, specific surface area, microstructural changes