Effect of Fatigue Failure Behavior by Cyclic Loading on Tensile Property of Geogrid

In this study, the fatigue failure load behaviors of specific types of geogrids (i.e., woven (WG 8T) and warp-knitted (WKG 8T)) under cyclic loading with the same design strength were confirmed, and the effects of fatigue failure behavior on the tensile properties of geogrids was investigated. It was observed that the geogrid tensile properties resulting from fatigue failure behavior with fatigue failure load were affected by the fatigue failure time, but the differences between the geogrids were not considerable. Our study suggested that the degree of fatigue failure load had a greater influence than did the fatigue failure test time on the geogrids. The tensile properties following the fatigue failure tests showed differences in terms of tensile load and deformation between the WKG 8T and WG 8T geogrids. In the case of WG 8T, the tensile load decreased with the fatigue failure time, but the decrease in the tensile load of WKG 8T was not greatly affected by the fatigue failure time. Instead, unlike with the WG 8T, the effect was due to the different aperture structures of or coating material used with the geogrids.

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Effect of Fatigue Failure Behavior by Cyclic Loading on Tensile Property of Geogrid

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