Consolidation and collapse behavior of silty soil reinforced with  plastic water bottles wastes

Farah Z. Mishaal; Abdulrahman Aldaood

doi:10.57056/ajet.v8i2.152

Authors

Farah Z. Mishaal University of Mosul, College of Engineering, Department of Civil Engineering, 41002 Mosul, Iraq
Abdulrahman Aldaood University of Mosul, College of Engineering, Department of Civil Engineering, 41002 Mosul, Iraq

DOI:

https://doi.org/10.57056/ajet.v8i2.152

Keywords:

silty soil, water bottles wastes, compaction, consolidation, collapse

Abstract

This research paper has focused on the influence of plastic waste materials (water bottles) on the consolidation and collapse behavior of silty soil. The silty soil was randomly reinforced with various fiber content (0.5, 1.0 and 1.5% of the dry weight of soil) having various lengths of 10, 20 and 30 mm. The soil samples were prepared at the maximum dry unit weight and the optimum moisture content of unreinforced soil, (natural soil) using standard compaction efforts. The variation in the compaction, collapse and consolidation characteristics of unreinforced and reinforced soil samples were evaluated. The test results indicated that there was a slight reduction in both the maximum dry unit weight and the optimum moisture content of soil samples with fiber addition. The collapse index increased with increasing fiber content, while the fiber length enhance the collapsibility of silty soil. Further, the compression index of reinforced soil samples followed the same trend as the collapse index.

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