Fiber Reinforced Concrete with Nano Silica and Micro Silica
Journal Title: International Journal for Modern Trends in Science and Technology - Year 2024, Vol 10, Issue 9
Abstract
The Earth is getting rapidly heated up mostly due to the carbon dioxide emissions. It is believed that one ton of cement produces one ton of carbon dioxide. We can reduce cement content by partial replacement of cement with by-products like micro silica and nano silica. Adding basalt fibre to concrete improves its characteristics like high tensile strength, extended operating temperatures, better chemical resistance and environmental friendliness. The present study is concentrated on strength characteristics of basalt fibre reinforced concrete with micro silica (8.0% of cement) and nano silica (2.0% of cement). From the experimental study it is found out that the concrete specimens of superior properties can be produced using micro silica (8.0% of cement) and nano silica (2.0% of cement) combination. This combination in the concrete causes shrinkage and decreases the tensile strength. To overcome this, varying percentages of basalt fibre (0.1%, 0.2%, 0.3% and 0.4%) is added. It is also found out that, generally addition of basalt fibre in concrete reduces the compressive strength and increases the split tensile strength. So the combination of basalt fibre reinforced concrete with micro silica and nano silica is considered ideal. Specimens containing micro silica (8.0% of cement), nano silica (2.0% of cement) and basalt fibre (0.1%, 0.2%, 0.3% and 0.4%) are casted and are tested for compressive and split tensile strength. It is observed that the strength values are improved compared to cement concrete. The tensile strength values increased comparatively whereas compressive strength decreased with increase of basalt fibres content.
Authors and Affiliations
Muni Srinivasa Rao , S Pavani
Keywords
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- EP ID EP747908
- DOI https://doi.org/10.46501/IJMTST1009025
- Views 2
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Fiber Reinforced Concrete with Nano Silica and Micro Silica
The Earth is getting rapidly heated up mostly due to the carbon dioxide emissions. It is believed that one ton of cement produces one ton of carbon dioxide. We can reduce cement content by partial replacement of cement w...