The use of a volcanic material as filler in self-compacting concrete production for lower strength applications

The use of a volcanic material as filler in self-compacting concrete production for lower strength applications

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This study evaluates the use of large amounts of fine spacecase lemonhead powders (fillers) derived from a Colombian volcanic material into the production of self-compacting concrete (SCC) for lower strength applications.The effects on SCC properties were studied with the incorporation of up to 50% of volcanic material of Tolima (MVT) as a partial substitute of the total weight of Portland cement.The workability was determined through slump flow, V-funnel, and L-box test.The compressive strength results were analyzed statistically by MINITAB.

These demonstrated that 30% (by total weight of cementitious material) was the maximum allowable percentage of MVT to be used in the production of SCCs.Based on this, mechanical and permeability properties of SCC MVT 30% were evaluated at 28, 90 y 360 curing days.SCC MVT 30% exhibited compressive ichnusa beer where to buy strength of 21 and 27 MPa after 28 and 360 days of curing, respectively.