Compressive and Split Tensile Strength Characteristics of Silica Fume Modified Fiber Reinforced Concrete
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 6
Abstract
The Cement mainly consumes approximately 10 -15 % of total industrial energy. This energy releases carbon dioxide co2 emission to atmosphere as a result of burning fuels to produce energy needed for cement manufacturing process. The study project deals with the mechanical properties of concrete specimens as per mix design. The compressive strength, split tensile strength of concrete are calculated for 7, 14 and 28 days age with replacement of chemical admixtures with respect to the cement by weight. The project deals with different percentages of replacement of silica fumes so as 0, 5, 10 and 15 and polypropylene fibers of 0, 0.4, 0.8, 1 and 1.2. Comparison of results and discussion parameters of project and pros and cons of the experiment are determined. It states the safety usage and limitations of use of chemical admixtures up to an extent. Polypropylene fibers can increases the strength of a building by reducing internal cracking in beams and column sections. it is important to reduce the crack width and this can be achieved by adding polypropylene fibers to concrete. The bridging of cracks by the addition of polypropylene fibers to other materials.Fibre reinforced concrete is a concrete containing the fiberous material which can increases its structural integrity. In this project using fiber materials is initiated to control cracks. There are different types of structures where the concrete is the only solution. The project deals with designing the M40 grade concrete by replacing and addition of some admixtures like silica fumes and polypropylene fiber. My project specifies the strength characteristics and the maintenance of lifelong strength of concrete. The project explains how to overcome the problems of cracking in concrete and maintain stability for a lifetime period and not to harm the environment with a non-degradable waste from the industries. In future research the increase in polypropylene fibre content can increases the compressive strength results upto a maximum of 2 to 3 % addition in concrete. Polypropylene fiber reinforced concrete can increases strength for columns and slabs and controls the emission of waste gases entering into the buildings.
Authors and Affiliations
M. Venkata Rao, Aditya Akhilesh Varma Rudraraju, Ajay Babu Tammana
Keywords
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- EP ID EP394439
- DOI 10.9790/9622-0806052128.
- Views 121
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