Journal Title : International Journal of Modern Trends in Engineering and Science
Paper Title : STUDY ON MECHANICAL PROPERTIES OF SELF COMPACTING CONCRETE WITH MINERAL ADMIXTURE AND GLASS FIBRE
Volume 03 Issue 08 2016
ISSN no: 2348-3121
Page no: 110-115
Abstract – In recent years, Self Compacting Concrete (SCC) has gained wide attention owing to their placement use in congested reinforced structures with difficulties in casting condition. For such applications fresh concrete must possess high fluidity and good cohesiveness. One of the disadvantages of self compacting concrete is its cost due to the usage of high volume of Portland cement and chemical admixture. One way to reduce the cost of self compacting concrete is by adding mineral admixtures such as fly ash, silica fume as a replacement to cement by 5%, 10%, 15% and 20%. Moreover, by the addition of mineral admixture in the manufacturing of self-compacting concrete, cost and heat of hydration get reduced. Also parameters like environmental consciousness and sustainable development plays an important role. Keeping this in mind, research was carried out by partial replacement of foundry sand with fine aggregate at 50%. Knowing that concrete is weak in tension, glass fibres are added at 1% to improve the tensile property. The initial results of experimental programs aimed at producing and evaluating SCC made with fly ash, silica fume, foundry sand and glass fibres are presented and discussed. The mix design of SCC was arrived as per guidelines of European Federation of National Associations Representing for Concrete (EFRNAC).
Keywords— Self compacting concrete, Fly ash, Silica fume, Foundry sand, Glass fibre, Hardened properties
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