<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Waste tyre-derived products, including whole tyres, tyre bales, shreds, chips and crumb rubber, have been widely used in geotechnical applications. In particular, tyre bales have considerable potential for use in the construction of a lightweight embankment or road foundation over soft ground, slope stabilisation or landslide repairs and the backfilling for retaining structures. Proper design of tyre bale structures requires a reliable strength analysis to ensure an adequate factor of safety. The analysis should utilise the properties of the tyre bales and the baled structures, which must be properly determined. A laboratory test programme was developed to determine the key strength parameters of a backfill made of tyre bales supplemented with a lightweight aggregate. Full-scale direct shear tests were conducted to define the interface shear strength between the tyre bales and the filling material. Earth pressure reduction analysis based on the experimental results was performed as well to assess the effectiveness of waste tyre bales used as a backfill for rigid retaining structures.</p>
</abstract>

Waste tyre-derived products, including whole tyres, tyre bales, shreds, chips and crumb rubber, have been widely used in geotechnical applications. In particular, tyre bales have considerable potential for use in the construction of a lightweight embankment or road foundation over soft ground, slope stabilisation or landslide repairs and the backfilling for retaining structures. Proper design of tyre bale structures requires a reliable strength analysis to ensure an adequate factor of safety. The analysis should utilise the properties of the tyre bales and the baled structures, which must be properly determined. A laboratory test programme was developed to determine the key strength parameters of a backfill made of tyre bales supplemented with a lightweight aggregate. Full-scale direct shear tests were conducted to define the interface shear strength between the tyre bales and the filling material. Earth pressure reduction analysis based on the experimental results was performed as well to assess the effectiveness of waste tyre bales used as a backfill for rigid retaining structures.

Experimental study on earth pressure reduction of waste tyre bales used as a backfill for rigid retaining structures

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution 4.0 International License.

Waste tyre-derived products, including whole tyres, tyre bales, shreds, chips and crumb rubber, have been widely used in geotechnical applications. In...

Experimental study on earth pressure reduction of waste tyre bales used as a backfill for rigid retaining structures

Article Category: Original Study

Published Online: Nov 01, 2021

Page range: 411 - 424

Received: Mar 30, 2021

Accepted: Aug 31, 2021

DOI: https://doi.org/10.2478/sgem-2021-0023

Keywords
waste tyres, tyre bales, shear strength, earth pressure, retaining structure

© 2021 Aleksander Duda et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Experimental study on earth pressure reduction of waste tyre bales used as a backfill for rigid retaining structures

Article Category: Original Study

Published Online: Nov 01, 2021

Page range: 411 - 424

Received: Mar 30, 2021

Accepted: Aug 31, 2021

DOI: https://doi.org/10.2478/sgem-2021-0023

Keywordswaste tyres, tyre bales, shear strength, earth pressure, retaining structure

© 2021 Aleksander Duda et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
waste tyres, tyre bales, shear strength, earth pressure, retaining structure