EXPERIMENTAL STUDY OF THE TRIAXIAL BEHAVIOUR AND CBR VALUE OF PLASTIC WASTE-SOIL MIXTURE

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NAJAFZADEH SHAVAKI L.; MOGHADDAS TAFRESHI S.N.

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Journal: Sharif Journal of Civil Engineering Year:2015 | Volume:31-2 | Issue:3.1 Page(s): 73-81

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Title

EXPERIMENTAL STUDY OF THE TRIAXIAL BEHAVIOUR AND CBR VALUE OF PLASTIC WASTE-SOIL MIXTURE

Author(s)

NAJAFZADEH SHAVAKI L. | MOGHADDAS TAFRESHI S.N. | Issue Writer Certificate

Keywords

WASTE PLASTIC PARTICLESQ2

TRIAXIAL TESTQ2

PEN- ETRATIONQ2

CBR VALUEQ1

Abstract

Bottled water is the fastest growing beverage industry in the world and recycling their plastic waste has be- come a major challenge worldwide The present study provides an approach for using waste p lastic strips as reinforcement material in soil backfill The experimental tests investigate the behaviour of soil alone and plastic waste-soil mixtures using static TRIAXIAL TESTs and CBR tests The TRIAXIAL TESTs were carried out on the unrein- forced soil samples and plastic-soil mixture samples at three confining pressures of 50 100 and 150 kPa The effect of small and large sizes of waste plastic was exam- ined by three waste plastic strip contents of 0 5% 1% and 1 5% (by total weight of the sample) The CBR tests were performed by standard CBR apparatus with a load rate of 1 27 mm/min on unreinforced and rein- forced samples (i e waste plastic-soil mixture) with a large size of WASTE PLASTIC PARTICLES at four plastic con- tents of 0 5 1 1 5 and 2% The results of the TRIAXIAL TESTs show that the strength of reinforced samples in- creases with increasing the size and percentage of plastic particles For example for the plastic content of 1 5% at confining pressure of 50 kPa and strain level of 6% a maximum improvement in the strength of the plastic- reinforced sample was obtained as 1 25 times the unre- inforced sample The results of CBR tests depict that the provision of WASTE PLASTIC PARTICLES reduces the PEN- ETRATION of shaft into the sample and increases its CBR VALUE Overall the results of CBR and TRIAXIAL TESTs demonstrate that the inclusion of waste plastic strips in soil with appropriate amounts improves the strength and deformation behavior of foundation beds substantially The proposed technique can be used to advantage in bearing capacity improvement and settlement reduction in the design of shallow footings embankments and road construction.

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APA: Copy

NAJAFZADEH SHAVAKI, L., & MOGHADDAS TAFRESHI, S.N.. (2015). EXPERIMENTAL STUDY OF THE TRIAXIAL BEHAVIOUR AND CBR VALUE OF PLASTIC WASTE-SOIL MIXTURE. SHARIF: CIVIL ENINEERING, 31-2(3.1), 73-81. SID. https://sid.ir/paper/128124/en

Vancouver: Copy

NAJAFZADEH SHAVAKI L., MOGHADDAS TAFRESHI S.N.. EXPERIMENTAL STUDY OF THE TRIAXIAL BEHAVIOUR AND CBR VALUE OF PLASTIC WASTE-SOIL MIXTURE. SHARIF: CIVIL ENINEERING[Internet]. 2015;31-2(3.1):73-81. Available from: https://sid.ir/paper/128124/en

IEEE: Copy

L. NAJAFZADEH SHAVAKI, and S.N. MOGHADDAS TAFRESHI, “EXPERIMENTAL STUDY OF THE TRIAXIAL BEHAVIOUR AND CBR VALUE OF PLASTIC WASTE-SOIL MIXTURE,” SHARIF: CIVIL ENINEERING, vol. 31-2, no. 3.1, pp. 73–81, 2015, [Online]. Available: https://sid.ir/paper/128124/en

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