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Compressive Strength Assessment of High-performance Concrete using fly ash and Silica Fume

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Siddharth Jain, Anubhav Bari , Kartik Patel , Amit Verma , Hari Om Sharma , Mohd. Faisal, Vikas Kumar
» doi: 10.31838/ecb/2023.12.si6.103


In this study, fly ash and silica fume will be used as partial substitutes for cement in M60 grade concrete to assess the strength of high-performance concrete (HPC). When the micro silica and fly ash were added improved HPC's mechanical characteristics. For fly ash and silica fume, the ideal replacement levels were discovered to be 15% and 10%, respectively. silica fume may increase compressive strength in concrete mixes up to a specific point (7.5% of the cement weight), beyond which it starts to lose strength. However, the tensile and shear strength was shown to be adversely affected by the addition of silica fume, with a considerable decline seen as the proportion of silica fume rose. The work emphasizes the need to determine the amount of silica fume in HPC combinations with care to maximize strength qualities and minimize possible downsides. Construction projects all around the world in the construction industry like, industrial buildings, hydraulic structures, bridges, and highways, are increasingly choosing to use high-performance concrete (HPC). A sizable amount of concrete has been used in buildings as a result of the growing usage of HPC. The study gives a thorough account of the evolution of HPC in civil engineering, highlighting its distinctive characteristics and needs in comparison to traditional concrete. Additionally, it covers current developments in the field of HPC. The report also discusses the use of chemical and mineral admixtures to improve HPC performance. The paper's overall goal is to present a thorough grasp of HPC's applications in civil engineering and its continuous advances.

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