Creep Prediction Model for Concrete Made of Crushed Clay Bricks as Coarse Aggregate

Syed Ishtiaq Ahmad; Sushanta Roy

doi:10.4028/www.scientific.net/AMM.166-169.994

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 166-169Creep Prediction Model for Concrete Made of...

Creep Prediction Model for Concrete Made of Crushed Clay Bricks as Coarse Aggregate

Abstract:

A simple design office oriented empirical model containing only two parameters has been developed to predict creep behavior of concrete made of crushed clay bricks as coarse aggregate. For this, concrete samples having three different normal compressive strengths in the range of 18.9 up to 24.0 N/mm2 are first prepared and then tested for their creep deformation. For each of the samples, a hyperbolic equation is developed from their creep-time behavior. These equations are then combined and modified according to statistical norms to finally obtain a generalized equation. Comparison of creep strain obtained from this equation with that of experimental values show that the proposed model can closely predict creep in brick aggregate made concrete.

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Periodical:

Applied Mechanics and Materials (Volumes 166-169)

Pages:

994-997

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.166-169.994

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Online since:

May 2012

Authors:

Syed Ishtiaq Ahmad*, Sushanta Roy

Keywords:

Aggregate, Brick, Creep, Prediction Model, Time Dependence

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References

[1] S. I. Ahmad and S. Roy: Creep Behavior and its Prediction for Normal Strength Concrete made of Crushed Clay Bricks as Coarse Aggregate, J. of Mate. in Civil Eng., ASCE, Vol.24(3), pp.308-314. (2012).

DOI: 10.1061/(asce)mt.1943-5533.0000391

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[2] ASTM: Standard Test Method for Creep of Concrete in Compression, ASTM C 512-02, West Conshohocken, Pa. (1996)

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[4] A.D. Ross: Shape, Size and Shrinkage, Concrete and Constructional Engineering, pp.193-199 (London, 1944).

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