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Plastic and Slag as a Potential Aggregate Replacement in Concrete with Glass Fibers and Silica Fume Admixtures

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2018, Master of Science in Engineering, Youngstown State University, Department of Civil/Environmental and Chemical Engineering.
The objective of this research study was to investigate sustainable aggregate replacements in concrete. Waste plastic and steel slag were added as a coarse-aggregate replacement by 0%, 15%, 30%, and 45%. This has the potential to reduce material cost while having a beneficial impact on the environment. Silica fume and glass fibers were also added to offset the changes in mechanical properties of concrete. The study involves 130 concrete specimens with various combinations of these materials, which were prepared, cured, and tested. The mechanical properties, including compressive strength, tensile strength, and modulus of elasticity of concrete were investigated and compared to those of ordinary concrete. The results indicated that plastic replacement with an aggregate resulted in decreased concrete strength, while remaining useful up to 15% replacement. The slag aggregate improved the mechanical properties of concrete and can potentially replace up to 45% of natural coarse aggregate. A combination of plastic and slag aggregate along with silica fume and glass fibers can be used to allow replacement of coarse aggregate in concrete by 15% with only a slight decrease in concrete strength.
Richard Deschenes, PhD (Advisor)
Anwarul Islam, PhD (Committee Member)
Shakir Husain, PhD (Committee Member)
68 p.

Recommended Citations

Citations

  • Alam, Alam, S. (2018). Plastic and Slag as a Potential Aggregate Replacement in Concrete with Glass Fibers and Silica Fume Admixtures [Master's thesis, Youngstown State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1544787269399169

    APA Style (7th edition)

  • Alam, Alam, Sameer. Plastic and Slag as a Potential Aggregate Replacement in Concrete with Glass Fibers and Silica Fume Admixtures. 2018. Youngstown State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ysu1544787269399169.

    MLA Style (8th edition)

  • Alam, Alam, Sameer. "Plastic and Slag as a Potential Aggregate Replacement in Concrete with Glass Fibers and Silica Fume Admixtures." Master's thesis, Youngstown State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1544787269399169

    Chicago Manual of Style (17th edition)