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- Type of Document: M.Sc. Thesis
- Language: English
- Document No: 54167 (53)
- University: Sharif University of Technology, International Campus, Kish Island
- Department: Science and Engineering
- Advisor(s): Khaloo, Alireza; Kazemi, Mohammad Taghi
- Abstract:
- Normal aggregates are replaced by polystyrene beads (EPS) due to their low unit weight. EPS concrete is known for its low density and environmentally friendly properties apart from having various pros such as better heat and sound isolation, affordability, and ease of construction. EPS grain size can also affect the compressive strength, and the tensile strength of EPS concrete compression is also inversely related to EPS grain diameter. The EPS concrete has four different percentages of EPS; 0%, 25%, 50%, and 75%. Each EPS percentage has six different unit weights; 15,20,25,30,35 and 40 kg/m3. In the present study 19 different types of mixing designs were used, the one with no EPS beads has been chosen as the base mixing design. Two hundred sixty-seven cylindrical specimens were made,114 were measured at seven days, and 153 were measured at 28 days. In this study, all the specimens were tested by a universal testing machine to obtain the stress-strain behavior, compressive strength, elastic modulus, energy absorption and water absorption. Based on the observation, the age of the concrete increases, compressive strength, elastic modulus and tensile strength increase. The 7-day to 28-day compressive strength ratio for all concrete samples containing polystyrene is less than normal concrete
- Keywords:
- Mechanical Properties ; Polystyrene ; Light Concrete ; Concrete Compressive Strenght ; Elastic Modulus ; Concrete Behavior
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