IMPACT OF A USED STABILISER ON THE CALIFORNIA BEARING RATIO OF THE CLAYEY-SANDY SILT
 
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University of Agriculture in Cracow, Al. Mickiewicza 24/28, 30-059 Kraków, Poland
CORRESPONDING AUTHOR
Katarzyna Kamińska   

University of Agriculture, Al. Mickiewicza 24/28, 30-059 Kraków, Poland
Publish date: 2017-01-01
 
J. Ecol. Eng. 2017; 18(1):154–158
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ABSTRACT
The paper aimed at the determination of the California Bearing Ratio of a stabilised and unstabilised fine-grained mineral soil. A clayey-sandy silt with the addition of 3, 6 and 10% of road stabilisers Solidex and Solidex A was used for the tests. The tests were carried out in the press Tritech 50 at the loading of 22 and 44 N. The stabilised samples were subjected to 7-days treatment, whereas unstabilised 4-days treatment. Stabilization with the applied road binders brought positive effects, there occurred a significant improvement in the mechanical properties of the clayey-sandy silt. The better binder, which significantly increased the value of the CBR ratio, was Solidex A. The use of hydraulic binders is of a great importance in road building, because their addition improves the mechanical properties of weaker mineral soils.