›› 2013, Vol. 34 ›› Issue (4): 1063-1067.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Shear performance optimizing of tire shred-sand mixture

LI Li-hua1, 2, 3, XIAO Heng-lin1, TANG Hui-ming3, MA Qiang1, CHEN Hui, SUN Long1   

  1. 1. School of Civil Engineering and Architecture, Hubei University of Technology, Wuhan 430068, China; 2. The Key Laboratory of Safety for Geotechnical and Structural Engineering of Hubei Province, Wuhan University, Wuhan 430072, China; 3. Faculty of Engineering, China University of Geosciences, Wuhan 430074, China
  • Received:2012-06-13 Online:2013-04-10 Published:2013-04-16

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Abstract: There are so many merits of waste tire shred-sand mixture. Presently, it has been used as light filling. Series of shear tests of tire shred-sand mixture have been done; and the influence of different factors on shear performance is discussed, such as shred content, aspect ratio and compactness. The results show that it is nonlinear of the mixture Mohr-Coulomb envelope. The shear strength and friction angle increase with the tire shred content increase and the nonlinear behavior becomes more evident as the addition of the tire shreds. The friction angle of the mixture can increase by 8%-89% by means of optimizing shred aspect ratio, shred content and compaction. There is very little effect of shred width on shear performance. But the aspect ratio of the shred has obvious influence on shear behavior at other things being equal. There is one and only length for a fixed width of the tire shred, which can make the maximum friction angle of 65°.

Key words: tire shred-sand mixture, shear performance, internal friction angle, aspect ratio, shred content

CLC Number: 

  • TU 441
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