this work deals with the influence of soil confinement on creep behavior of geotextiles. A full-scale field experiment was conceived to study this matter. Two samples of nonwoven polypropylene geotextile were inserted in different depths in a compacted sand fill with 3 m high and 16 m long and loaded by constant tensile load during a 1000 h period. To maintain a constant load during the test dead weights were used together with specially designed steel structures. The sand fill and the samples were instrumented with several kinds of transducers in order to measure strains, displacements, soil pressures and temperatures. Direct shear testes were conducted to measure the mechanical properties of the interfaces. An interpretation model to analyze the field results is proposed. The confined creep behavior in field is compared with in-isolation creep results obtained from laboratory tests.
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