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Development of Self Compacting Concrete by use of Portland Pozzolana Cement, Hydrated Lime and Silica Fume

Author Affiliations

  • 1Dept. of Civil Engineering, Jabalpur Engineering College, Jabalpur INDIA

Res. J. Engineering Sci., Volume 1, Issue (1), Pages 35-39, July,26 (2012)

Abstract

Concrete is the most widely used construction material because of its mould ability into any required structural form and shape due to its fluid behavior at early ages.. Thorough compaction, using vibration, is normally essential for achieving workability, the required strength and durability of concrete. Inadequate compaction of concrete results in large number of voids, affecting strength and long term durability of structures. Self-compacting concrete (SCC) provides a solution to these problems. As the name signifies, it is able to compact itself without any additional vibration or compactive effort. However, wide spread applications of SCC have been restricted due to lack of standard mix design procedure and testing methods. Self compacted concrete is used as a special concrete in place of standard concrete due to lack of mix design procedures. The paper presents to develop self compacted concrete by using portland Pozzolana cement, hydrated lime and silica fume. Lime is used as filler material. SF improved aggregate-matrix bond resulting from the formation of a less porous transition zone in concrete. The test results for acceptance characteristics of self-compacting concrete such as slump flow; V-funnel and L-Box are presented. Further, compressive strength at the ages of 7, 28, and 60 days was also determined and results are included here.

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