Engineering Behavior of a Sand Reinforced with Plastic Waste
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 128, Issue 6
Abstract
Unconfined compression tests, splitting tensile tests, and saturated drained triaxial compression tests with local strain measurement were carried out to evaluate the benefit of utilizing randomly distributed polyethylene terephthalate fiber, obtained from recycling waste plastic bottles, alone or combined with rapid hardening Portland cement to improve the engineering behavior of a uniform fine sand. The separate and the joint effects of fiber content (up to 0.9 wt %), fiber length (up to 36 mm), cement content (from 0 to 7 wt %), and initial mean effective stress (20, 60, and 100 kN/m2) on the deformation and strength characteristics of the soil were investigated using design of experiments and multiple regression analysis. The results show that the polyethylene terephthalate fiber reinforcement improved the peak and ultimate strength of both cemented and uncemented soil and somewhat reduced the brittleness of the cemented sand. In addition, the initial stiffness was not significantly changed by the inclusion of fibers.
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Information & Authors
Information
Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 128 • Issue 6 • June 2002
Pages: 462 - 472
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Mar 9, 2000
Accepted: Aug 17, 2001
Published online: May 15, 2002
Published in print: Jun 2002
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