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M.Tech / M.E / PhD Thesis | Civil Engineering | India | Volume 8 Issue 11, November 2019 | Popularity: 6.2 / 10

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Mechanical Properties on Concrete Using Polypropylene Fiber and Silica Fume

Vinitha M

Abstract: Aim of this study to determine Compressive strength, Tensile strength and Flexural strength of M20 grade concrete with use of polypropylene fibre and silica fume. Efforts for improving the performance of concrete over the past few years suggest that cement replacement materials along with mineral & chemical admixtures can improve the strength characteristics of concrete. Silica fume can be utilized to produce high strength and durable concrete composites. The Concrete specimens were cured on normal moist curing under normal atmospheric temperature. The Compressive strength determined at 7, 14 and 28 days as well as tensile strength, Flexural strength. The addition of Polypropylene fiber by the weight of concrete shows an increase strength property and Silica fume as cement replacement material shows early long term strength. This system that is Ordinary Portland Cement - Polypropylene fiber - Silica fume concrete was found to increase the Compressive, Tensile strength and Flexural strength of concrete on all ages when compared to concrete made with Polypropylene fiber and Silica fume. It was also noted that the highest compressive strength and flexural strength have been achieved by 10 % replacement of silica fume with cement at all ages.

Keywords: Compressive strength, flexural strength, Polypropylene fiber PPF, silica fume SF concrete, split tensile strength

Edition: Volume 8 Issue 11, November 2019

Pages: 1542 - 1545

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