Experimental Investigations on the Pull-Out Behavior of Tire Strips Reinforced Sands
AbstractWaste tires have excellent mechanical performance and have been used as reinforcing material in geotechnical engineering; however, their interface properties are poorly understood. To further our knowledge, this paper examines the pull-out characteristics of waste tire strips in a compacted sand, together with uniaxial and biaxial geogrids also tested under the same conditions. The analysis of the results shows that the interlocking effect and pull-out resistance between the tire strip and the sand is very strong and significantly higher than that of the geogrids. In the early stages of the pull-out test, the resistance is mainly provided by the front portion of the embedded tire strips, as the pull-out test continues, more and more of the areas towards the end of the tire strips are mobilized, showing a progressive failure mechanism. The deformations are proportional to the frictional resistance between the tire-sand interface, and increase as the normal stresses increase. Tire strips of different wear intensities were tested and presented different pull-out resistances; however, the pull-out resistance mobilization patterns were generally similar. The pull-out resistance values obtained show that rubber reinforcement can provide much higher pull-out forces than the geogrid reinforcements tested here, showing that waste tires are an excellent alternative as a reinforcing system, regardless of the environmental advantages. View Full-Text
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Li, L.-H.; Chen, Y.-J.; Ferreira, P.M.V.; Liu, Y.; Xiao, H.-L. Experimental Investigations on the Pull-Out Behavior of Tire Strips Reinforced Sands. Materials 2017, 10, 707.
Li L-H, Chen Y-J, Ferreira PMV, Liu Y, Xiao H-L. Experimental Investigations on the Pull-Out Behavior of Tire Strips Reinforced Sands. Materials. 2017; 10(7):707.Chicago/Turabian Style
Li, Li-Hua; Chen, Yan-Jun; Ferreira, Pedro M.V.; Liu, Yong; Xiao, Heng-Lin. 2017. "Experimental Investigations on the Pull-Out Behavior of Tire Strips Reinforced Sands." Materials 10, no. 7: 707.