A Study on The Shrinkage Control of Concrete Using Synthetic Fibers (Module 1)
Suyash Mahadev Khatavkar, Prof. M. S. Kakamare
Shrinkage Control
Time dependent strain measured in an unloaded specimen at constant temperature is called as Shrinkage of concrete. Concrete is subjected to volume changes autogenously due to the volume change in concrete which is an undesirable property, affects long term strength and durability. Volume change in concrete causes unsightly cracks in concrete therefor volume change in concrete is important to the practical engineer. Due to the rapid loss of surface bleed water in evaporation volume change in fresh concrete occurs. Cracking is a common problem experienced by concrete structure due to early age shrinkage in case of slabs type structures that shows much longer surface areas such as pavements, bridge decks precast elements, industrial floors and tunnel lining as compared to other structural components such as beams and columns. There are much more solutions to control or reduce early age shrinkage cracking but introduction of synthetic fiber in addition to a simple concrete mix it has been observed that fiber reduces the cracks forming on the concrete surface. In this paper the Fibers are introduced in concrete mix by the layer one after the concrete mixture which is found to be very effective in reduction in cracking phenomenon.
Article Details
Unique Paper ID: 148324

Publication Volume & Issue: Volume 6, Issue 1

Page(s): 311 - 315
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