On the enhanced confining pressure aproach to the mechanics of reinforced soil |
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| Authors: | G A Athanasopoulos |
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| Institution: | (1) Department of Civil Engineering, School of Engineering, University of Patras, GR-261 10, Patras, Greece |
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| Abstract: | Summary A review is presented of conceptual approaches that are currently in use for interpreting the operation of reinforced soil.
The concepts of enhanced confining pressure and of reduced normal tensile strains are found to be closely related to current
experimental and theoretical investigations as well as to the design methodologies available at present for reinforced soil
applications. Focusing on the enhanced confining pressure concept, analytical expressions are developed that allow the estimation
of the value of equivalent confining stress increase when the properties of soil and reinforcement and the state of stresses
acting on a cylindrical reinforced soil element are known. The derived expressions can also be utilized for estimating the
soil-reinforcement friction angle from the results of triaxial tests on cylindrical samples reinforced with horizontal layers
of reinforcement. |
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| Keywords: | Reinforced soil reinforcement composite material |
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