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Shear behavior of sensitive marine clay-steel interfaces.

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Title: Shear behavior of sensitive marine clay-steel interfaces.
Authors: Taha, A.1, Fall, M.1 mfall@uottawa.ca
Source: Acta Geotechnica. Dec2014, Vol. 9 Issue 6, p969-980. 12p.
Subjects: Shear strength of soils, Steel analysis, Analysis of clay, Interfacial tension, Civil engineering, Construction materials
Abstract: Many soil-structure interaction problems require the knowledge of the shear resistance and behavior between the soil and construction materials. Although sensitive marine clay deposits are widely found in Canada (Leda clay) and many regions in the world (e.g., Scandinavia), and steel is a common construction material for many civil engineering structures, our understanding of the interface shear behavior between sensitive marine clay and steel is still limited. This paper presents the results of an experimental study on the interface shear behavior between Leda clay and steel. In this research, direct shear tests (DSTs) are conducted to investigate the interface shear strength parameters and behavior between Leda clay and steel, and the effect of several factors (e.g., steel surface roughness, properties of the Leda clay) on the interface shear behavior and parameters. All tests have been carried out with a standard DST apparatus at normal loads which range from 250 to 450 kPa. The results show that the Leda clay interface shear behavior can be significantly affected by the steel surface roughness, the Leda clay's OCR, dry density, and salt content. The results presented in this paper will contribute to a more cost-effective design of geotechnical structures in Leda clay. [ABSTRACT FROM AUTHOR]
Copyright of Acta Geotechnica is the property of Springer Nature 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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  Data: Shear behavior of sensitive marine clay-steel interfaces.
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  Data: <searchLink fieldCode="AR" term="%22Taha%2C+A%2E%22">Taha, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Fall%2C+M%2E%22">Fall, M.</searchLink><relatesTo>1</relatesTo><i> mfall@uottawa.ca</i>
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  Data: <searchLink fieldCode="JN" term="%22Acta+Geotechnica%22">Acta Geotechnica</searchLink>. Dec2014, Vol. 9 Issue 6, p969-980. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Shear+strength+of+soils%22">Shear strength of soils</searchLink><br /><searchLink fieldCode="DE" term="%22Steel+analysis%22">Steel analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Analysis+of+clay%22">Analysis of clay</searchLink><br /><searchLink fieldCode="DE" term="%22Interfacial+tension%22">Interfacial tension</searchLink><br /><searchLink fieldCode="DE" term="%22Civil+engineering%22">Civil engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Construction+materials%22">Construction materials</searchLink>
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  Data: Many soil-structure interaction problems require the knowledge of the shear resistance and behavior between the soil and construction materials. Although sensitive marine clay deposits are widely found in Canada (Leda clay) and many regions in the world (e.g., Scandinavia), and steel is a common construction material for many civil engineering structures, our understanding of the interface shear behavior between sensitive marine clay and steel is still limited. This paper presents the results of an experimental study on the interface shear behavior between Leda clay and steel. In this research, direct shear tests (DSTs) are conducted to investigate the interface shear strength parameters and behavior between Leda clay and steel, and the effect of several factors (e.g., steel surface roughness, properties of the Leda clay) on the interface shear behavior and parameters. All tests have been carried out with a standard DST apparatus at normal loads which range from 250 to 450 kPa. The results show that the Leda clay interface shear behavior can be significantly affected by the steel surface roughness, the Leda clay's OCR, dry density, and salt content. The results presented in this paper will contribute to a more cost-effective design of geotechnical structures in Leda clay. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Acta Geotechnica is the property of Springer Nature 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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      – SubjectFull: Analysis of clay
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              Text: Dec2014
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