SAFETY OF EMBANKMENTS WITH ANTHROPOGENIC A RUBBER FILLING MADE OF RECYCLED TYRES
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Keywords

retaining wall
road embankment
used tries

Abstract

The article indicates current problems of recycling of used car tyres and presents proposals of using rubber from tyres to build light embankments containing anthropogenic rubber backfill. Our own analyses were carried out on numerical models of road embankment supported by retaining walls, and the obtained results were compared with the variant of sand backfill.  Calculations of various backfills containing shredded tires allowed us to indicate the optimal method of making the embankment containing rubber from tires, meeting the same requirements as the traditional solution. Although the proposed anthropogenic rubber backfill is currently more expensive than traditional sand backfill, its usefulness can be demonstrated, especially in the case of weak soil, due to the low settlement of the embankment and high stability, without the need to reinforce the native soil. The economic analysis showed the structure of material costs of light rubber embankments in comparison with the traditional sand solution. The results were related to the construction of an exemplary embankment at the access road to the viaduct along the DK9 road near Rzeszów, Poland.

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