Shear Strength Characteristics of Loess Reinforced with Tire Derived Aggregate

DOI

10.2991/ice2me-19.2019.40How to use a DOI?

Keywords

tire derived aggregate; shear strength; content; aspect ratio; loess

Abstract

The Application of waste tyres in Civil Engineering is nearly 30 years. This study investigates the engineering properties of tire derived aggregate (TDA) reinforced loess and presents the strength properties of loess incorporating TDA as a reinforcement. The objective of this paper is to evaluate the effect of TDA (10mm-80mm) content and TDA aspect ratio on shear strength behavior of loess mixture. The direct shear tests was performed on the samples with loess containing 0%, 10%, 18%, 33%, and 100% of the TDA by weight of soil mixtures, and 4 TDA aspect ratios respectively. The test results showed a well-defined peak shear strength for specimens of pure loess and low TDA content (less than 18%) under low normal stress (less than 96 kPa). No peak value were found for all specimens under high normal stress (144kPa). The optimum TDA content was approximately 10% (by weight) which led to the maximum shear strength. For a given TDA content, increasing the TDA aspect ratio led to increasing shear strength. The study concludes that the use of TDA modified loess in the backfills and embankments is possible.

Copyright

© 2019, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Zhaohui Li
AU  - Yongqiang He
AU  - Mingqiang Wei
AU  - Jianxun Shi
PY  - 2019/03
DA  - 2019/03
TI  - Shear Strength Characteristics of Loess Reinforced with Tire Derived Aggregate
BT  - Proceedings of the 2019 International Conference on Electronical, Mechanical and Materials Engineering (ICE2ME 2019)
PB  - Atlantis Press
SP  - 177
EP  - 180
SN  - 2352-5401
UR  - https://doi.org/10.2991/ice2me-19.2019.40
DO  - 10.2991/ice2me-19.2019.40
ID  - Li2019/03
ER  -