China granulated blast furnace slag fine powder wholesale price

Granulated blast furnace slag powder (GGBFS) is a recyclable material produced when slag from molten iron ore is rapidly quenched and then ground into a powder.

In general, GGBFS concrete develops strength more slowly than ordinary Portland cement (OPC) concrete, but exhibits higher strength after one year. GGBFS concretes are also less permeable, but they develop unusual pore systems. The performance of GGBFS concrete depends not only on the amount of GGBFS used, but also on the chemical composition of the other materials in the mix. This part of the project will investigate three different GGBFS replacement levels: 0%, 30% and 50%. Thirty percent is the most commonly used replacement level. This means that 30% of the cement materials in concrete are GGBFS and 70% are OPC. The project will study the performance compared to 100% OPC concrete (0% GGBFS) and will determine whether the 50% level is a reasonable alternative level. Along with the GGBFS surrogate level variable, four different cement brands and two coarse aggregate types will be used to determine their different material properties. The mixture will also be created and cured at 40 degrees Fahrenheit to determine the performance of GGBFS concrete at lower temperatures.

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