Analysis of the Effect of Fly Ash as Filler on the Compressive Strength of High Strength Self-Compacting Concrete
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High Strength Self Compacting Concrete is a concrete innovation with the advantage of having high workability and high concrete quality. In this research, fly ash was used as a filler. Tests carried out by using a fly ash with the percentage of 1%, and conducting a slump flow test with a curing time of 14 days. The same percentage of fly ash was also tested using three types of slump tests, namely the slump flow test, l box test and v funnel test with a curing time of 28 days. The specimens are cylindrical with dimensions of 100 mm and 200 mm. The research results with a curing time of 14 days qualified for Self-Compacting Concrete according to EFNARC with a slump flow test value of 700 mm and qualified for High Strength Concrete with an average compressive strength value of 62.14 MPa. The results of the study with a curing time of 28 days obtained Slump Flow Test values of 719 mm, L Box test of 1 cm and V funnel of 19.99 seconds with an average compressive strength of 44.36 MPa at 28 days.
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