A Comparative Investigation of Self Compacting Concrete Using Mineral Admixture

Authors

  • Surinder Singh, Mukesh Kumar, Tarun kumar lohani, Vishal Jagota

Abstract

Inadequate compaction significantly decreases final concrete efficiency through reasonable mix construction. Self-Compacting concrete is an advanced concrete that needs no positioning and compaction vibration. Except in the midst of congested reinforcement, it will flow under its own mass, complete the formwork and achieve maximum compactation. The use of mineral admixtures such as silica fume, slag and fly ash granular blast furnace ground, finely split material applied to concrete during the mixing process, is also an alternative to reducing costs for auto-compacting concrete. This study presents an experimental study into strength factors such as compressive, bending and break tensile strength of self-compacting cement with various mineral admixes. The technique used is to substitute mineral admixtures by 30%, to measure and equate 40% and 50% for Portland cement. The effect of mineral admixtures on working properties, compressive power, separating stress and bending strength is studied. The blend ratio is achieved according to the recommendations of the European Federation of Special Structural Component Manufacturers and Contractors. The following conclusions were made, which increased the flow properties of concrete by optimally tuning a super plasticizer. As a consequence, total improvements have been observed in the flow and filling capacity of the compacting concrete. It is also observed that when mineral admixtures are used in self-compacted concrete, the super-plasticizer needed to achieve a certain fluidity is reduced. The influence that mineral admixtures have on the need for admixture depends heavily on the distribution of the particle size and particle form and surface features. From the above, it can be accomplished by adding appropriate volumes of silica, fly ash and ground granulated blaze furnace slag in a cost-efficient automated concrete design. from this viewpoint.

Published

2020-12-31

Issue

Section

Articles