Abstract

The paper presents results of model tests performed on two-layer subsoil consisting of a layer of sand fill on the surface of soft clay. The influence of a geotextile inclusion on bearing capacity of the system has been investigated. The surface of the systems has been subjected to static loading applied by two steel plates modelling6a truck axle under strain conditions. For all tested systems increase in bearing capacity produced by the granular layer compared at the same penetration to clay only as well as further increase in bearing capacity produced by the geotextile have been indicated, however the influence of the reinforcement has been distinct at big deformations only. The indicated increase in load-carrying capacity due to a geotextile inclusion and calculated reduction of pressure on the weak subsoil resulting from the use of fabric, based on the quasi-static analysis presented by GIROUD and NOIRAY/1981/ are compared.

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