Reinforced concrete 78 Concretes 70 Compressive strength 64 Tensile strength 25 Concrete beams and girders 24 Concrete mixtures 24 Concrete aggregates 23 Construction industry 21 High performance concrete 21 Concrete construction 20 Sustainable development 20 Cements 19 Concrete 19 Nanostructured materials 18 Concrete buildings 17 Recycling 17 Cracks 16 Steel fibers 16 compressive strength 16 Durability 14 Finite element method 14 Portland cement 14 Reinforced concrete beams 14 Aggregates 13 Bending strength 13 Concrete testing 13 Earthquakes 13 concrete 13 Environmental engineering 12 Fly ash 12