Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Effect of Geogrid Geometry on Interface Resistance in a Pullout Test
This paper presents the effect of aperture size on the low displacement stiffness response of geogrids subjected to pullout loading. The aperture size of geogrid was varied by cutting ribs of geogrids in the pullout tests. Two types of geogrids were tested at two normal pressures (21 kPa and 35 kPa). The soil-geosynthetic composite (SGC) model was used to compute the low displacement interface stiffness (KSGC) of the geogrids. Based on the analysis of laboratory tests using SGC model, the results showed response of geogrids was highly dependent on the aperture size. The geogrid with original aperture size showed the highest KSGC value. As the size of the aperture increased, the KSGC decreased possibly due to reduction in the passive resistance of transverse members and the loss of confinement at the junctions of the geogrid.
Effect of Geogrid Geometry on Interface Resistance in a Pullout Test
This paper presents the effect of aperture size on the low displacement stiffness response of geogrids subjected to pullout loading. The aperture size of geogrid was varied by cutting ribs of geogrids in the pullout tests. Two types of geogrids were tested at two normal pressures (21 kPa and 35 kPa). The soil-geosynthetic composite (SGC) model was used to compute the low displacement interface stiffness (KSGC) of the geogrids. Based on the analysis of laboratory tests using SGC model, the results showed response of geogrids was highly dependent on the aperture size. The geogrid with original aperture size showed the highest KSGC value. As the size of the aperture increased, the KSGC decreased possibly due to reduction in the passive resistance of transverse members and the loss of confinement at the junctions of the geogrid.
Effect of Geogrid Geometry on Interface Resistance in a Pullout Test
Eun, Jongwan (Autor:in) / Gupta, Ranjiv (Autor:in) / Zornberg, Jorge G. (Autor:in)
Geotechnical Frontiers 2017 ; 2017 ; Orlando, Florida
Geotechnical Frontiers 2017 ; 236-246
30.03.2017
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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