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Rheological model of geosynthetic-reinforced soil
A simple model of the elasto-plastic soil reinforced with the visco-elastic geosynthetic is proposed. Two modes of reinforced soil behaviour are considered within the framework of mechanics of composite materials. The first mode corresponds to the elastic soil (E-V mode), and the second one to the plastic soil (P-V mode). During the E-V mode the initial stress in reinforcement decreases, causing the regrouping of micro-stresses in the soil down to the stage when an yield condition in the soil is reached. Then the P-V mode begins during which the stress in reinforcement remains constant but the macrostrains increase due to creep. The method of determination of inital stress in reinforced soil, as well as some examples illustrating the theory, are presented.
Rheological model of geosynthetic-reinforced soil
A simple model of the elasto-plastic soil reinforced with the visco-elastic geosynthetic is proposed. Two modes of reinforced soil behaviour are considered within the framework of mechanics of composite materials. The first mode corresponds to the elastic soil (E-V mode), and the second one to the plastic soil (P-V mode). During the E-V mode the initial stress in reinforcement decreases, causing the regrouping of micro-stresses in the soil down to the stage when an yield condition in the soil is reached. Then the P-V mode begins during which the stress in reinforcement remains constant but the macrostrains increase due to creep. The method of determination of inital stress in reinforced soil, as well as some examples illustrating the theory, are presented.
Rheological model of geosynthetic-reinforced soil
Rheologisches Modell für geotextilverstärkte Böden
Sawicki, A. (author)
Geotextiles and Geomembranes ; 17 ; 33-49
1999
17 Seiten, 9 Bilder, 18 Quellen
Article (Journal)
English
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