Investigation of dynamic behavior of geosynthetic reinforced soil retaining structures under earthquake loads |
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| Authors: | Erol Guler Ali K Enunlu |
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| Institution: | (1) Civil Engineering Department, Bogazici University, Bebek, 34342 Istanbul, Turkey |
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| Abstract: | The results of an experimental study conducted on two 1:2 reduced-scale geotextile-reinforced soil retaining walls are presented
and discussed. El Centro earthquake and sinusoidal harmonic motion excitations were applied to the 1.9 m tall models. The
design parameter investigated was the reinforcement length (L/H = 0.9 in the 1st model and L/H = 0.6 in the 2nd model). The
results were analyzed to evaluate the acceleration amplification, strains in the reinforcement layers and facing wall deformation.
The test results showed that in both experiments the walls were in fact designed to behave rigidly and almost no residual
displacements were observed on the front of the wall. The most important conclusion drawn from the experimental work was that
Geosynthetic Reinforced Retaining Structures designed according to the current specifications behave very successfully under
earthquake loading conditions. |
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| Keywords: | Geosynthetic-reinforced soil Retaining wall Reduced-scale model Dynamic behavior Shaking-table tests Geotextile Acceleration amplification |
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