Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE))
Online ISSN : 2185-4653
ISSN-L : 2185-4653
JSCE Journal of Earthquake Engineering, Vol.37 (Paper)
FULL-SCALE SHAKE TABLE TEST ON ESTIMATION OF EARTHQUAKE RESISTANCE OF A RETAINING WALL FOR ROAD USING GABIONS
Hiroshi NAKAZAWATadashi HARADaisuke SUETSUGUKentaro KURIBAYASHITsuyoshi NISHIKatsuaki MIYOSHIYurika TADOKOROKazuya USUKURA
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2018 Volume 74 Issue 4 Pages I_441-I_451

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Abstract
 In Nepal, Many gabion retaining walls for road were damaged after 2015 Nepal Gorkha earthquake. In this study, a full-scale model experiment was conducted to estimate an earthquake behavior and a residual deformation of an erect triple layer placing gabion retaining wall which is 3m high as typical gabion structures seen there. A full-scale model was constructed by packing round stone materials into gabions and filling Masado soil behind the retaining wall in a large soil container. After construction, 4 times shaking tests were conducted and, an expansion of collapsed back fill due to dynamic behavior of the retaining wall was confirmed. According to the measurements of residual deformations, a large inclination of the retaining wall and horizontal displacement of about 80cm at the crest are confirmed. As a result, it was found that the gabion retaining wall is relatively flexible, but it doesn't lead to catastrophic destruction.
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© 2018 by Japan Society of Civil Engineers
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