Relationship between Water Cement Ratio and Characteristic Properties of Multi Walled Carbon Nano Tube Reinforced Concrete
P. Mudasir1, J. A. Naqash2

1Peerzada Mudasir H Dewani*, civil engineering department, National Institute of Technology,Srinager Kashmir, India.
2Dr. Javed Ahmed Naqash, civil engineering department, National Institute of Technology,Srinager Kashmir, India

Manuscript received on April 05, 2020. | Revised Manuscript received on April 17, 2020. | Manuscript published on April 30, 2020. | PP: 131-136 | Volume-9 Issue-4, April 2020. | Retrieval Number: D6740049420/2020©BEIESP | DOI: 10.35940/ijeat.D6740.049420
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Abstract: In this study effect of water-cement ratio (W/C) on the characteristic properties of multiwalled carbon nano tube reinforced concrete is analyzed. Five concrete mixtures of different water-cement ratio (W/C) with and without carbon nano tubes (CNTs) were prepared. W/C of 0.40, 0.45, 0.48, 0.50 and 0.55 were used while quantity of carbon nano tube (CNT) was fixed at 1% by weight of cement (wbc). Ratio of cement, sand and aggregates was also fixed at 1: 1.76:2.66 in all mixes. For maintaining workability 0.5% polycarboxlate based superplasticizer wbc was added in all mixes.. The workability of carbon nanotube reinforced concrete (CNTC) reduced by 60% and W/C=0.50 was found ideal for slump as well as strength. At this W/C compressive strength for CNTC increased by 7.20%, split tensile strength increased by 25.75% and flexural strength increased by 3.87%. 
Keywords: Multi walled carbon nanotubes, Water-Cement ratio, Concrete, Workability, Compressive strength, Split Tensile strength, Flexural strength, Porosity.