High strength concretes Steel fibers Adaptive boosting 1 Artificial intelligence 1 Artificial intelligence techniques 1 Bending strength 1 C (programming language) 1 Compressive and tensile strengths 1 Concrete flexural strengths 1 Construction industry 1 Decision trees 1 Elevated temperature 1 Elevated temperature exposures 1 Errors 1 Experimental program 1 Fiber reinforced materials 1 Flexural properties 1 Flexural strength 1 Forecasting 1 High performance concrete 1 Hybrid fibre reinforced concrete 1 Machine learning 1 Machine-learning 1 Manufacture 1 Mean absolute error 1 Mean square error 1 Mechanical properties 1 Modeling performance 1 Polypropylenes 1 Properties of concretes 1