NDLI: Effect of Recycled Polyethylene Terephthalate Strips on the Mechanical Properties of Cement-Treated Lateritic Sandy Soil

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Effect of Recycled Polyethylene Terephthalate Strips on the Mechanical Properties of Cement-Treated Lateritic Sandy Soil

Content Provider	MDPI
Author	Silveira, Maitê Lodi, Paulo Correia, Natália Rodrigues, Roger Giacheti, Heraldo
Copyright Year	2020
Description	The civil engineering construction industry is nowadays one of the largest consumers of natural resources. Therefore, the proposal of using alternative materials that seek to reduce waste production or the use of previously generated waste is becoming increasingly necessary. This paper evaluated the effect of recycled polyethylene terephthalate (PET) strips on the mechanical properties of a cement-treated lateritic sandy soil. Unconfined compression strength (UCS) tests were conducted in natural and PET strips mixtures in different strips lengths and contents. In addition to UCS tests, compaction tests were also conducted in order to analyze the effect of these inclusions on the properties of a lateritic sandy soil. Lastly, direct shear tests were conducted on natural soil-strip, soil-cement, and soil-cement-strip composites using optimum UCS results. The addition of strips to the soil-cement composite showed an increase in the soil cohesion parameter. The inclusion of strips also provided a more ductile behavior to the soil, presenting greater deformations with fewer stress peaks. Results showed that the recycled strips’ inclusion in soil-cement can provide a material with high strength, ductility, and a highly sustainable alternative.
Starting Page	9801
e-ISSN	20711050
DOI	10.3390/su12239801
Journal	Sustainability
Issue Number	23
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2020-11-24
Access Restriction	Open
Subject Keyword	Sustainability Geological Engineering Characterization and Testing of Materials Recycled Pet Strips Lateritic Soil Cement Composite Uniaxial Tests Shear Strength
Content Type	Text
Resource Type	Article

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