Steel fibers Compressive strength 7 Reinforced concrete 7 Tensile strength 7 High performance concrete 6 Shotcreting 5 Bending strength 3 Concretes 3 Failure (mechanical) 3 Fiber reinforced materials 3 Loads (forces) 3 Mechanical properties 3 Self compacting concrete 3 Adaptive boosting 2 Bearing capacity 2 Bridges 2 Cements 2 Compression testing 2 Concrete aggregates 2 Concrete construction 2 Corrosion resistance 2 Decision trees 2 Elevated temperature 2 Experimental study 2 Fibers 2 Fibre reinforced 2 Finite element method 2 Forecasting 2 Four point bending 2 High strength concretes 2