Modelling Early Age Shrinkage of Concrete
Gandla Nanabala Sreekanth1, Shaik.Ruksana2 

1Gandla Nanabala Sreekanth, Assistant Professor in the school of civil engineering at Rajeev Gandhi Memorial College of Engineering and Technology.
2Shaik. Ruksana, Pursuing M. Tech in Structural Engineering from Rajeev Gandhi Memorial College of Engineering and Technology, NANDYAL, A.P.

Manuscript received on 21 March 2019 | Revised Manuscript received on 26 March 2019 | Manuscript published on 30 July 2019 | PP: 3530-3540 | Volume-8 Issue-2, July 2019 | Retrieval Number: B3047078219/19©BEIESP | DOI: 10.35940/ijrte.B3047.078219
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Abstract: During past decades the concrete has been developed by low water-cement ratio, addition of superplasticizer etc to improve the properties and lifetime of a structure. Despite of the imporved properties it introduces the shrinkage which leads to cracks and reduces serviceability and durability of structure or material. Therefore the study of shrinkage becomes a challenge. In this study, the autogenous shrinkage of concrete mixtures at early age is modelled using analytical models for different water-cement ratios for different ages. The main objectives of the study are review of literature on autogenous shrinkage of concrete, comparative study of different models for autogenous shrinkage of concrete using experimental data available in literature, Identification/development of an analytical model for prediction of autogenous shrinkage of concrete, and probabilistic analysis of the autogenous shrinkage are discussed.
Keywords: Shrinkage of Concrete, Early Age Shrinkage, Hydration of Cement, Chemical Shrinkage, Autogenous Shrinkage, Probabilistic Analysis.

Scope of the Article: Bio – Science and Bio – Technology