Béton_hte_performance

New formula for high-performance concrete

High-performance concrete is produced through the use of microsilica in the manufacturing process. This complex process raises production costs by 40 to 60%. A new formula for high-performance concrete has replaced microsilica with basalt powder. The mineralogical reactivity of basalt powder and its high content of particles smaller than 0.001 mm are properties that help to bind cement pores to form the new concrete formula. Zeolites in the basalt (1 to 3%) also play a role in the reaction. This process has been patented in the Czech Republic. Compared to previous solutions, the basalt powder formulation results in a reduction of cement dosing to 50 kg/m3 and an increase in the resistance capacity of the anti-freeze agent and, consequently, the strength of the concrete.

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