Experimental Investigation on Strength of M30 Concrete with Various Mineral and Chemical Admixtures
Author(s):
Prof A.Fathima Darras Gracy, Er. Tamilselvam.M, Dr. P.Saravana Kumar, Dr.D.Sathies Kumar
Keywords:
strength of concrete, mineral and chemical admixtures, silica fume, fly ash, ggbs 1.
Abstract
The present trend in the concrete technology is of increasing the strength of concrete to meet the demands of modern construction material. These factors can be achieved in concrete by adding various blending materials with cement or separately to concrete. The materials suitable for blending are ground granulated blast furnace slag, silica fume, and fly ash etc., The experimental investigations have been made to study the suitability of the use of chemical admixtures for the replacement of cement & water in concrete in order to reduce the environmental problems. This experimental investigation is aimed to utilize such mineral and chemical admixtures as a partial replacement for cement in concrete. M30 grade concrete is taken for investigation. The cement is replaced by fly ash and ground granulated blast furnace slag from 10% to 50 % with an increment of 10%, and silica fume 10%. The chemical admixture (super plasticizer) is used at 0.5% by weight of cement in order to improve the properties of fresh concrete. The strength properties of hardened concrete include compressive strength of cube and cylinder, split tensile strength of cylinder, flexural strength of prism and stress strain behavior of cylinder. The results are compared with that of the conventional concrete. Based on the results of the experimental study some important conclusions have been drawn.
Article Details
Unique Paper ID: 167596

Publication Volume & Issue: Volume 11, Issue 3

Page(s): 1468 - 1473
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