A Study of Composite Cements Performance in Concrete using Ultrafine Supplementary Cementitious Materials (Alccofine 1203 or Micro silica)

Authors : Ganesh kumar GS; Shiva Shankar K M b

Volume/Issue : Volume 7 - 2022, Issue 6 - June

Google Scholar : https://bit.ly/3IIfn9N

Scribd : https://bit.ly/3nAOaxt

DOI : https://doi.org/10.5281/zenodo.6794544

Concrete is the unavoidable man-made material in the field of construction. The raw materials production are poisonous in nature. Concrete is the primary base material for construction. The construction work is contributing to global warming to great extent. During the production of cement, it contributes that 1 MT of cement production and emits 0.6-1Mt of Co2 emission. The cement and steel manufacturing process contributes nearly about 19 - 20% of CO2 emissions in India. This is one form factor to contribute towards global warming. The aim is to reduce negative impact in the construction industry by replacing the conventional OPC Cement usage through the Hybrid single component cement known as Composite Cement. The usage of standardized cementitious material with optimum content in the design mix makes us achieve the targeted performance of concrete with full proof. I.e. it helps in easy handling, variation of multiple raw materials, and avoids the manual errors in handling multiple materials during the execution. The optimum content can control the cost of construction of the overall project. The key to accepting this hybrid concrete is that we can standardize its performance easily. The modern hybrid characteristic is to meet the initial properties of blended concrete against OPC mixes. At present, the conventional blending of Flyash / Slag / Supplementary cementitious material at the site is a very low percentage in concrete (less than 25%) average. The uplift of acceptance of higher usage of SCM in concrete via Hybrid composite cement can have a better impact on the reduction of global warming. Considering the challenges we have offered the twin benefit of more economical and greener in construction aspect the acceptance level shall be lifted in coming days. Technically in mass concrete, the designers have even started specifying the later strength at 90 days for Concrete i.e. especially structure like Rafts. Even now the durability aspects are being treated with the most care. A lot of SCM and geo-polymer concretes are being made to reduce the negative impact of concrete. The next era in concrete has been started. Technical Edge  Ideal single component cement is suitable for both project and retail construction.  This gives us the benchmark and easy to track the performance of concrete. The one component of cement makes us have easy application. It gives the scope to make all our structures more durable irrespective of the method of production. i.e. either manually or through batching plant

Keywords : Composite cement, Optimisation, Triple bend, Durability of concrete, ternary concrete mix.


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