Evaluation of Fibers Effect on the Shear Strength of Municipal Solid Waste

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SHARIATMADARI N.; SADEGHPOUR A.H.; Karam Dad A.H.; Dogmehchi f.

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Paper Information

Journal: AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR) Year:2018 | Volume:50 | Issue:3 Page(s): 433-444

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Title

Evaluation of Fibers Effect on the Shear Strength of Municipal Solid Waste

Author(s)

SHARIATMADARI N. | SADEGHPOUR A.H. | Karam Dad A.H. | Dogmehchi f. | Issue Writer Certificate

Keywords

Shear StrengthQ2

Municipal solid wasteQ1

Tri-axial testQ1

FiberQ2

Ageing EffectQ1

Abstract

In order to evaluate the effect of Fiber part in the Municipal solid waste on its Shear Strength, a study was conducted on the Kahrizak waste disposal landfill in Tehran. Shear Strength of the waste samples was evaluated through the large-scale tri-axial consolidated and undrained (CU) tests on reconstructed fresh and 9 years old waste specimens. Evaluation and comparison between the results is done on the reconstructed waste samples with a density of 11 kN/m3 in the non-fibrous state and containing the 12%-weighing plastic Fibers. To study the Fibers effect, three different types of the plastic bags with three ranges of the tensile strength including 7, 16 and 21 Mpa was used that their dimensions is 2. 5*8 cm. In the next step these sheets and the waste samples were mixed. The results show that the Fiber part of waste material samples is one of the main factors in providing the Shear Strength of the waste material. As the tensile strength of the Fibers increases, the Shear Strength of the waste masses increases too. As an initial result an increase about 200% in the tensile strength of the Fiber, causes an additional tension increase more than 100% in the waste sample. The plastic Fibers in the samples caused a reduction in cohesion (C), and increase the internal friction angle (Φ ) of the samples that could be seen in the old waste samples more than fresh ones. In addition to the tensile strength, the elasticity and the amount of deformation before the fracture of the Fiber part can influence the behavior of the waste mass.

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APA: Copy

SHARIATMADARI, N., SADEGHPOUR, A.H., Karam Dad, A.H., & Dogmehchi, f.. (2018). Evaluation of Fibers Effect on the Shear Strength of Municipal Solid Waste. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), 50(3 ), 433-444. SID. https://sid.ir/paper/165749/en

Vancouver: Copy

SHARIATMADARI N., SADEGHPOUR A.H., Karam Dad A.H., Dogmehchi f.. Evaluation of Fibers Effect on the Shear Strength of Municipal Solid Waste. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR)[Internet]. 2018;50(3 ):433-444. Available from: https://sid.ir/paper/165749/en

IEEE: Copy

N. SHARIATMADARI, A.H. SADEGHPOUR, A.H. Karam Dad, and f. Dogmehchi, “Evaluation of Fibers Effect on the Shear Strength of Municipal Solid Waste,” AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), vol. 50, no. 3 , pp. 433–444, 2018, [Online]. Available: https://sid.ir/paper/165749/en

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