2012
DOI: 10.1002/gete.201200003
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Zur inneren Scherfestigkeit von Kunststoff‐Dränelementen

Abstract: Kunststoff-Dränelemente werden auch in Böschungen eingebaut. Da sie in der Regel aus mehreren Komponenten, nämlich mindestens aus einem Dränkern und einem Filtervliesstoff bestehen, hängt die Standsicherheit u. a. von der inneren Scherfestigkeit der Produkte ab. Diese kann entweder durch die reine Reibung der Komponenten untereinander oder durch die mechanische Festigkeit von Fügestellen zwischen den Komponenten bedingt sein, die schon bei der Produktion hergestellt werden. Im letzteren Fall ist nicht klar, wi… Show more

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“…Therefore, the drain core may collapse in the field in the long run, in which case it will lose most of its water flow capacity. The same reasoning about the effect of creep applies to the shear strength [15]. If the in-plane deformation due to creep becomes larger than a certain critical deformation, shear failure might occur in the field at a stress level which is significantly smaller than the one which was measured with a shear box equipment (direct shear test).…”
Section: Materials Problems Related To Geosynthetics: the Performance mentioning
confidence: 99%
“…Therefore, the drain core may collapse in the field in the long run, in which case it will lose most of its water flow capacity. The same reasoning about the effect of creep applies to the shear strength [15]. If the in-plane deformation due to creep becomes larger than a certain critical deformation, shear failure might occur in the field at a stress level which is significantly smaller than the one which was measured with a shear box equipment (direct shear test).…”
Section: Materials Problems Related To Geosynthetics: the Performance mentioning
confidence: 99%