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Title: Testing the Effect of the Shape and Size of Plastic Waste on the Geotechnical Properties of the Soil
Authors: Ma'ali Nasser Jelowi Al Otaibi 
Supervisor: Dr. Waleed A. Al-Abdullah
Keywords: Plastic : Soil
Issue Date: 2017
Publisher:  Kuwait university - college of graduate studies
Abstract: The demand for plastic bottled water, with the bottles being made of Polyethylene Terephthalate (PET), is increasing year by year. This has consequently led to an increase in plastic bottle waste. Due to technological advancements, it has become possible to utilize plastic waste in civil engineering applications. This study presents an attempt to recycle plastic bottle waste as a soil reinforcing material. An experimental approach was adopted in this research by mixing flake-shaped plastic waste pieces of unspecified dimensions that did not exceed 15 mm in width and 40 mm in length. A series of Standard and Modified Compaction tests, Direct Shear tests and California Bearing Ratio (CBR) tests were performed on a local silty sand from Kuwait with different percentages of plastic content (0%, 0.25%, 0.5% and 1%) by weight. It was found that the addition of plastic to silty sand showed no significant effect on the maximum dry density and resulted in decreasing the CBR value. In addition, it was found that the plastic particles had a limited effect on increasing the friction angle values. However, the size, shape and orientation of the plastic particles on the failure plane were found to have an effect on the friction angle values.
Appears in Programs:0620 Civil Engineering

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