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Iranian Journal of Science and Technology Transactions of Civil Engineering
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Volume Volume 39 (2015)
Volume Volume 38 (2014)
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(2014). MONOTONIC BEHAVIOR OF GEOTEXTILE REINFORCED SOILS UNDER DISCRETE ROTATION OF PRINCIPAL STRESSES. Iranian Journal of Science and Technology Transactions of Civil Engineering, 38(C2), 325-335. doi: 10.22099/ijstc.2014.2412
. "MONOTONIC BEHAVIOR OF GEOTEXTILE REINFORCED SOILS UNDER DISCRETE ROTATION OF PRINCIPAL STRESSES". Iranian Journal of Science and Technology Transactions of Civil Engineering, 38, C2, 2014, 325-335. doi: 10.22099/ijstc.2014.2412
(2014). 'MONOTONIC BEHAVIOR OF GEOTEXTILE REINFORCED SOILS UNDER DISCRETE ROTATION OF PRINCIPAL STRESSES', Iranian Journal of Science and Technology Transactions of Civil Engineering, 38(C2), pp. 325-335. doi: 10.22099/ijstc.2014.2412
MONOTONIC BEHAVIOR OF GEOTEXTILE REINFORCED SOILS UNDER DISCRETE ROTATION OF PRINCIPAL STRESSES. Iranian Journal of Science and Technology Transactions of Civil Engineering, 2014; 38(C2): 325-335. doi: 10.22099/ijstc.2014.2412

MONOTONIC BEHAVIOR OF GEOTEXTILE REINFORCED SOILS UNDER DISCRETE ROTATION OF PRINCIPAL STRESSES

Editorial, Volume 38, C2, Summer 2014, Page 325-335  XML PDF (627 K)
DOI: 10.22099/ijstc.2014.2412
Abstract
Monotonic triaxial compression, triaxial extension and torsional shear tests were
carried out on geotextile reinforced sand and reinforced clay, mainly to investigate the effects of
rotation of principal stresses on the mechanical behavior of the reinforced soil materials. The tests
were carried out on unreinforced and reinforced specimens with 2, 3 and 4 geotextile layers under
three different confining pressures. Investigation of the monotonic behavior of the reinforced
materials under different stress paths, i.e. triaxial compression, triaxial extension, and torsional
shear shows that direction of principal stresses can have profound effects on the stress-strain curve,
shear strength, and slope and intercept of failure envelope. Test results reveal that geotextiles
improve the mechanical properties of the sand and clay, since both strain at failure and undrained
shear strength increase with the number of geotextile layers in sand and clay. In addition, test
results indicate that geotextile inclusion enhances the mechanical properties of geotextile
reinforced sand and clay, however, geotextiles seems to be more effective when used to reinforce
sands.
Keywords
Principal stress rotation; geotextiles; sand; clay
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