ritical Studies on the Influence of Silica Fume and Steel Fiber Enhancing Properties of Concrete
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 7
Abstract
This paper presents results of concrete containing Portland Pozzolona cement (PPC) containing fly ash with silica fume (SF) and steel fibers. The tests are carried out in laboratory on M30 grade of concrete at 28 and 90 days of age. Mathematical models are proposed to define the cube as well as cylinder compressive strength, dynamic modulus of elasticity, ultrasonic pulse velocity, stress-strain behavior and static modulus of elasticity in compression. As far as the compressive strength is concerned, the replacement of cement by 12% of SF improved performance of concrete. The most significant contribution due to the addition of fibers is to enhance the post peak behavior of concrete and it also resists crack propagation after the first crack, and allow concrete to sustain very high strains than concrete without fibres.
Authors and Affiliations
Atul Naik, Sandeep Gaikawad
Keywords
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