The use of concrete with polypropylene macrofibers can reduce the fragility and shrinkage of silica fume mixtures. Here. we investigated the effect silica fumes and aggregates have on enhancing high-performance concrete with polypropylene macrofibers. Three dosages of polypropylene macrofibers were evaluated (0. https://www.aitsglobal.com/product-category/%d7%aa%d7%9b%d7%a9%d7%99%d7%98%d7%99%d7%9d/