Engineering Properties of Silty Soil Stabilized with Lime and Rice Husk Ash and Reinforced with Waste Plastic Fiber
Publication: Journal of Materials in Civil Engineering
Volume 25, Issue 9
Abstract
Although abundant plastic waste contaminating the environment may be utilized as reinforcing materials, a potential pozzolanic material (rice husk ash blended with lime) possesses superior properties in stabilizing soils. Engineering behavior of the stabilized clayey/silty soil reinforced with randomly distributed discrete plastic waste fibers is investigated in this paper. The results indicate that the proposed method is very effective to improve the engineering properties of the clayey/silt soil in terms of compressive, tensile, and shear strength, which further enhanced the stability and durability of the soil. Based on the compressive strength, California bearing ratio (CBR), shear strength, and failure characteristics, the optimum amount of fiber mixed in soil/lime/rice husk ash mixtures ranges from 0.4–0.8% of the dry mass.
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Acknowledgments
The research presented in this paper was part of a research grant under the Dosen Muda and Hibah Bersaing research schemes by the Ministry of National Education, Republic of Indonesia, in 2006–2008. Special thanks go to Michael Long, Ph.D. (University College Dublin), Sudarisman, Ph.D., and Mutia Hariati (Universitas Muhammadiyah Yogyakarta) for proofreading the manuscript.
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Published In
Journal of Materials in Civil Engineering
Volume 25 • Issue 9 • September 2013
Pages: 1260 - 1270
Copyright
© 2013 American Society of Civil Engineers.
History
Received: May 26, 2011
Accepted: Aug 16, 2012
Published online: Aug 24, 2012
Discussion open until: Jan 24, 2013
Published in print: Sep 1, 2013
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