Use of different limestone and chalk powders in self-compacting concrete

By Wenzhong Zhu, J. Gibbs. 2005

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Effect of coarse basalt aggregates on the properties of Ultra-high Performance Concrete (UHPC) (2018, background): “An appropriate limestone powder amount causes a nucleation effect which accelerates the hydration reaction and causes more C-S-H gel [23,24] and improves the microstructure.”
The influence of coarse aggregate size and volume on the fracture behavior and brittleness of self-compacting concrete (2014, background): “There are major concerns among researchers that SCCmay have different behavior compared toNVC and this is due to use of comparatively higher contents of fine particles in order to avoid segregation in fresh mix [3].”
A review of the hardened mechanical properties of self-compacting concrete (2007, result): “Interestingly, a few results with chalk powder as the addition indicate similar performance at 28 days to limestone powder; no results were reported at earlier ages [20].”