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Abstract
Some geomechanical properties of a biopolymer treated medium sand. This paper presents a laboratory assessment of geomechanical properties of sandy soil improved by biopolymer application. Additives (biosubstance) consist of polysaccharides and water. Biosubstance used in the project was xanthan gum, which comes from bacteria Xanthomonas campestris. Triaxial shear compression tests and unconfi ned compression tests were carried out for investigation purposes. Amount of the biopolymer used in the samples was 0.5, 1.0 and 1.5%, on dry weight basis. It is thought that such application, which is a relatively new technique, could be used as a ground improvement and water seepage barrier, required to strengthen and protect some geotechnical works including foundation, underground structures and waste disposals. The results indicate that behavior of the soil changes rapidly based on the amount of biosubstance. Shear strength parameters have shown a signifi cant increase, which gives a chance for further development and possible applications.
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Authors (4)
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Zdzisław Skutnik dr inż.
- Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences – SGGW
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Marcin Biliniak mgr inż.
- Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences – SGGW
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Ali Firat Cabalar prof. dr inz.
- Faculty of Engineering, University of Gaziantep, Turkey
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
-
Annals of Warsaw University of Life Sciences-SGGW Land Reclamation
no. 49,
edition 3,
pages 201 - 212,
ISSN: 1898-8857 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Wiszniewski M., Skutnik Z., Biliniak M., Cabalar A.: Some geomechanical properties of a biopolymer treated medium sand// Annals of Warsaw University of Life Sciences-SGGW Land Reclamation. -Vol. 49., iss. 3 (2017), s.201-212
- DOI:
- Digital Object Identifier (open in new tab) 10.1515/sggw-2017-0016
- Verified by:
- Gdańsk University of Technology
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