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Mineral Admixtures For High Performance Concrete

High Performance Concrete (HPC) is the latest development in concrete. It is not just High- Strength Concrete (HSC) and has replaced HSC developed in the early 1980’s. HPC can be defined as a concrete made with appropriate materials (super plasticizer, retarder, fly ash, blast furnace slag and silica fume) combined according to a selected mix design and properly mixed, transported, placed, consolidated, and cured to give excellent performance in some properties of concrete, such as high compressive strength, high density, low permeability, and good resistance to certain forms of attack. What makes the concrete a high performance one is a very low water-cement ratio. The benefits related to HPC include: early stripping of formwork, greater stiffness and higher axial strength. These factors combined lead to the elements of high economic efficiency, high utility and long term engineering economy... .

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