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Soilgeocell reinforcement interaction by pullout (Soilgeocell强化交互撤军)
Soil-geocell reinforcement interaction by pullout
and direct shear tests
Nazri Mohidin Marolo C. Alfaro
Department of Civil Engineering- University of Manitoba,Winnipeg, Manitoba, Canada
ABSTRACT
This paper reports the results of a study to investigate the soil-geocell reinforcement using pullout and direct shear tests.
The behaviour of soil-geocell interaction is characterized based on shear stress-displacement behaviour and shear
strength properties. The results from pullout tests show strain hardening behaviour of pullout load-displacement curves.
In direct shear tests, strain softening behaviour was observed on both reinforced and unreinforced soil where the
provision of geocell increased the shear strength of the soil due mainly to higher apparent cohesion and internal friction
angle. The degree of interlocking on dense soil and additional friction on the interface between soil and geocell
reinforcement may have attributed to increase in shear strength.
RESUMEN
Este artículo presenta los resultados de un estudio para investigar el refuerzo del mecanismo suelo-geocelda ante
pruebas de tensión y corte directo. El comportamiento de la interacción entre el suelo y la geocelda es caracterizado en
función del comportamiento entre el desplazamiento y el esfuerzo cortante y las propiedades de resistencia del
mecanismo suelo-geocelda. Los resultados de las pruebas de tensión demuestran un comportamiento
de endurecimiento por deformación en las curvas de carga tensión vs desplazamiento. En pruebas de corte directo, se
pudo apreciar un comportamiento de ablandamiento ante la deformación para las condiciones de suelo reforzado y sin
refuerzo donde la geocelda incrementó la resistencia al corte del suelo
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