Effects of limestone crusher dust and steel fibers on ...
Silica fume was added at 10% by weight of cement. The crushed limestone rock dust passing 75 μm BS sieve partially replaced by Type 4 (fine) aggregate (washed and had no fine material passing 75 μm BS sieve) by weight at percentages of 10, 15, and 20. Concretes made of these three percentages of crusher dust content were designated as Series B, Series C, and Series D, respectively.