Comparison of Flexural strength of concrete made by Two-stage mixing approach(TSMA) using fly ash and nominal concrete made by Normal mixing approach(NMA).
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 11
Abstract
The largest synthesized material is concrete which has a per capita consumption of about 1.5 tons per annum in India. Concrete has the capacity to develop adequate engineering properties and to utilize locally available ingredients for a variety of applications, easily adapt to any size and shape and has comparatively low initial and maintenance costs. While concrete not being as big of an energy consumer as aluminum, structural steel and glass, concrete and particularly cement still remains a major energy 'sink' due to its volume of production and also environmentally unsustainable due to large quantities of CO2 evolution associated with its manufacture. Raw materials for cement manufacture include non-renewable natural resources like lime stone, aggregates, manufactured sands (fine aggregates), and so on. Hence the Indian concrete Industry needs to take a good look at these challenges. The current paper describes the variation of flexural strength by experimental analysis involving the modified mixing method with some alteration to the two-stage mixing approach by proportioning ingredients with the percentage of recycled coarse aggregates (RCA) and fly ash. Based on experimental works and results, improvements in strength to RAC were achieved with TSMA resulting in a denser aggregate and concrete.
Authors and Affiliations
Sandeep Uniyal, Dr. Vanita Aggarwal
Keywords
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