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An apparatus for evaluating adhesion between soils and solid surfaces

Rao, KSS and Allam, MM and Robinson, RG (2002) An apparatus for evaluating adhesion between soils and solid surfaces. In: Journal of Testing and Evaluation, 30 (1). pp. 27-36.

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An apparatus in the direct shear mode has been developed to conduct soil-soil and soil-solid material interface tests in the undrained condition. Evaluation of the apparatus showed that all the requirements for simulating the undrained condition of shear are satisfied. The interface test results show that the adhesion factor a increases with the surface roughness of the solid material. In the case of the normally consolidated state, alpha is practically independent of the undrained shear strength of the clay for a given surface. For the overconsolidated state, alpha depends on the undrained shear strength and the overconsolidation ratio for smooth surfaces but for rough surfaces; alpha is independent of both undrained shear strength and overconsolidation ratio.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to ASTM International.
Keywords: adhesion;cohesion;adhesion factor;undrained shear strength; soils
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Depositing User: Ms V Mangala
Date Deposited: 04 Aug 2011 06:02
Last Modified: 04 Aug 2011 06:02
URI: http://eprints.iisc.ac.in/id/eprint/38950

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