Development of Design Guidelines for Use of Shredded Tires as a Lightweight Fill in Road Subgrade and Retaining Walls
1994-01
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Development of Design Guidelines for Use of Shredded Tires as a Lightweight Fill in Road Subgrade and Retaining Walls
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1994-01
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Minnesota Department of Transportation
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Report
Abstract
The use of shredded tires as a lightweight fill material over weak soil deposits is gaining popularity
as a means of disposing a great quantity of an undesirable waste material in a beneficial manner. This
report discusses the production, past applications, and properties of shredded tires with respect to their
use in lightweight fills.
Shredded tires have the advantages of low bulk density, high permeability, and insensitivity to the
presence or state of moisture. However, they possess a high degree of compressibility, and they exhibit
a degree of rebound atypical of materials normally used in lightweight fills (e.g., woodchips). Before
using shredded tires in a fill, one must consider the layer thickness of the shredded tires, the amount of
overburden to be placed on the tires, the type of pavement surface, and the volume of heavy traffic
expected to use the roadway.
Because of the orientation of shredded tires after placement, the importance of anisotropy as a future
research topic is discussed.
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Minnesota Department of Transportation
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Drescher, Andrew; Newcomb, David E.. (1994). Development of Design Guidelines for Use of Shredded Tires as a Lightweight Fill in Road Subgrade and Retaining Walls. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/155997.
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