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Shear behaviour of reinforced concrete using polyethyelene terephathalate (PET) bottles as fine aggregate

Mahamad, Mohd Khairil Annas (2014) Shear behaviour of reinforced concrete using polyethyelene terephathalate (PET) bottles as fine aggregate. Masters thesis, Universiti Tun Hussein Onn Malaysia.

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Abstract

The higher demand of using polyethylene terephthalate (PET) bottles has made it one of the major wastes generated by consumer. The large quantities of this waste cannot be eliminated, however, the impact of the waste to the environment can be reduced by changing it to a sustainable material in construction industries; where it can be evaluated as lightweight aggregate. On this study, the shear behviour of reinforced concrete contining PET aggregate using two point load configuration was done. Prior to investigate the structural behaviour, the concrete physical and mechanical properties for each 0%, 25%,50% and 75% of PET aggregate replacement ratio was determined. As expected, the result of materials properties which comprises of compressive strength test, split tensile strength and modulus of elasticity (MOE) were decreased. The compressive strength decreased by 29%, 47% and 52% for the replacement ratio of 25%, 50% and 75% respectively. Split tensile strength also represent a 12%, 33%, 44% declination for each 25%, 50% and 75% replacement of PET aggregate respectively. Furthermore, 15'76, 28% and 38% decreasing for each 25% increment of PET aggregate were recorded for MOE test. Despite all the reduction, one of the advantages of using PET aggregate as a replacement for natural fine aggregate are the reduction of its density. For replacement ratio of 50% and above, the density of the concrete fall into the classification of lightweight concrete based on the requirement by ACI2 13R-03.For structural beam test, it is shown that the reinforced concrete containing PET aggregate behave in fundamentally the same manner as its normal weight concrete with the difference in the performance of the parameter being tested. After that, the experimental shear force were compare to the theoretical shear force compute by BS8 1 10, ACI 3 18R-02 and Eurocode 2 where Eurocode 2 give a closer prediction to the experimental result.

Item Type: Thesis (Masters)
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Depositing User: Normajihan Abd. Rahman
Date Deposited: 05 Mar 2015 06:42
Last Modified: 05 Mar 2015 06:42
URI: http://eprints.uthm.edu.my/id/eprint/6332
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