An Experimental Investigation on Strength Characteristic of High Density Concrete incorporating hematite

Concrete has an extensive role to play both in construction and improvement of our civil engineering and infrastructure. It’s great strength, durability and versatility are properties that are utilized in the construction of roads, bridges, airport, railways, tunnels,ports and harbors and many other major infrastructure projects. To call the concrete, as high density concrete, it must have unit weight ranging from 3360 kg/m3 to 3840 kg/m3.They can, however be produced with the densities up to about 5280 kg/m3 High density concrete offers reliable, cost-efficient radiation shielding and can be used alongside other shielding materials to maximize protection in the available space. High density aggregates are the key ingredient in High density concrete. The more common aggregates used to achieve the required densities are Hematite, Ilmenite, Magnetite and Steel aggregate. The concrete was studied using Hematite (iron ore) having a density varies from 3400-3600 Kg/m3.Several properties of concretes with design mix of M30 grade were also studied that include the compression, The high density concrete was also compared with normal weight concrete of the same strength grade with respect to the above parameters. Based on the experimental investigations carried on the conventional concrete, high density Concrete has more Compressive strength, Split tensile strength, flexural strength values are found out.