High Strength Fiber Concrete for Industrial and Civil Engineering

Abstract

Abstract: The paper deals with the use of steel fibers to disperse reinforcement of fine-grained concretes. The authors conducted experimental studies of steel fiber samples on cement and composite binder. As a binder the authors used fine ground cement and a binder with low water demand. It has been found that the use of composite binders and high-density arrangement of aggregate grains significantly increases the strength characteristics. The optimal aggregate selection allowed to obtain fiber concretes on Kursk Magnetic Anomaly technogenic sands with compressive strength of 104.8 MPa and 23.2 MPa for bending structures.