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Optimised Mix Design and Elastic Modulus Prediction of High Strength Concrete.

JOURNAL:MAZEDAN TRANSACTIONS ON ENGINEERING SYSTEMS DESIGN

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# Authors First Online DOI Downloads Citations
1. Satyam Sanjay Jati*, Bharati Changhode 24 Dec 2022 MTESD0304005 3 0
Abstract

The load carrying capacity of any structure or a structural member depends upon the type of concrete used. High strength concrete used in any structure increases the load carrying capacity of that particular structure as compared to the normal strength concrete. In the market, a growing demand for various types of special concrete mixes is there such as high-performance concrete, high strength, low permeability concrete, for use in bridges, marine environment, nuclear power plants etc. To achieve this, the cement is partially replaced with silica fume. And hence this project presents an extensive study to produce concrete of maximum compressive strength using special mineral additive material silica fume and also the study of the property of modulus of elasticity of the specimens of high strength concrete. The most significant property of concrete is the modulus of elasticity of concrete. It is a very important parameter which reflects the ability of concrete to deform elastically. In order to utilize the full compressive strength, the structure in which high strength concrete is used are generally smaller and require a higher modulus of elasticity to maintain its stiffness. The mechanical properties of HSC are dependent on the properties and proportions of binders and aggregates. Hence, knowledge of the modulus of elasticity of high strength concrete is very important to avoid excessive deformation which provides satisfactory serviceability and the most cost-effective designs. In the Experimental program, certain trial mixes were prepared which will consist of the replacement of cement content by silica fume in 10%, 15% and 20% and further testing the same mixes for the compressive strength test and further the test of modulus of elasticity.

Keywords

Modulus of elasticity, Mineral Admixture, High-strength concrete, Mix design

References

  1. [1]   IS 456:2000 Indian Standard Code of Practice for Plain and Reinforced Cement Concrete, 4th revision, Bureau of Indian Standards, New Delhi, 100.

    [2]   S 516:1959 (reaffirmed 2018), Method of Tests for Strength of Concrete, Bureau of Indian Standards, New

    [3]   Zhang, H and Gjvorv, O. E. (1991) “Mechanical Properties of High-Strength Lightweight Concrete”, Materials Journal, Vol. 88, No.3, pp. 240–247.