Application of Waste Tyre-Tube Chips with Fine Sand for Subbase Construction of Roads | |
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( Volume 2 Issue 11,November 2016 ) OPEN ACCESS | |
Author(s): | |
Joyanta Maity, Bikash Chandra Chattopadhyay, Debdip Sarkar, Debanjan Chakraborty | |
Abstract: | |
Brickbats are conventionally used in the construction of subbases of flexible roads. However, use of brick bats in construction of road subbase is being discouraged due to environmental as well as economic reasons. On the other hand, the disposal of waste rubber tyre-tube has become a demanding work. In such conditions, fine sand mixed with randomly distributed waste rubber tyre-tube can be used to increase strength and decrease deformability in road construction in a cost- effective manner. However, extensive research is needed to study the behaviour of randomly mixed waste rubber tyre-tube with sand before their application in practice. This paper presents the stabilization of fine sand using randomly distributed waste rubber tyre at varying lengths and percentages by weight of sand. Compaction tests and California Bearing Ratio (CBR) tests were conducted to investigate the behavior of fine sand mixed with waste rubber tyre-tube. From the test results, it was observed that with the increase in percentage of waste tyre-tube chips in sands, maximum dry density decreases whereas optimum moisture content increases. Further, the CBR value of the composite at OMC, increased with increase in percentage of waste tyre-tube. |
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