Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Questions raised regarding interpretation of inclined plane results for geosynthetics interfaces
The inclined plane test is used to determine geosynthetics interface properties, especially in cases where the stress normal to the interface is small. The design of sloped cap covers for landfill sites necessitates this type of test. The parameter usually deduced from this kind of test is the friction angle corresponding to the plane inclination for a relative sliding displacement of 50 mm. In this paper it is showed that this parameter is not relevant and it is demonstrated that considerably greater information could be drawn from this device. The different behaviours, sudden sliding, jerky sliding, gradual sliding, can be justified, combining standard tests with new tests, 'dynamic tests' and 'abrasion tests'. The inclination corresponding to the initialisation of sliding, β0 = φ0(stat) is a relevant parameter as well as phic(dyn) dynamic friction angle for constant acceleration γ ?= γc.
Questions raised regarding interpretation of inclined plane results for geosynthetics interfaces
The inclined plane test is used to determine geosynthetics interface properties, especially in cases where the stress normal to the interface is small. The design of sloped cap covers for landfill sites necessitates this type of test. The parameter usually deduced from this kind of test is the friction angle corresponding to the plane inclination for a relative sliding displacement of 50 mm. In this paper it is showed that this parameter is not relevant and it is demonstrated that considerably greater information could be drawn from this device. The different behaviours, sudden sliding, jerky sliding, gradual sliding, can be justified, combining standard tests with new tests, 'dynamic tests' and 'abrasion tests'. The inclination corresponding to the initialisation of sliding, β0 = φ0(stat) is a relevant parameter as well as phic(dyn) dynamic friction angle for constant acceleration γ ?= γc.
Questions raised regarding interpretation of inclined plane results for geosynthetics interfaces
Gourc, J.P. (Autor:in) / Pitanga, H.N. (Autor:in) / Reyes-Ramirez, R. (Autor:in) / Jarousseau, C. (Autor:in)
2006
6 Seiten, 8 Bilder, 4 Tabellen, 4 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
Questions raised regarding interpretation of inclined plane results for geosynthetics interfaces
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