Select an economical rectangular beam sizes and select bars using A strength method. The beam is a simply supported span of a 12m and carry a live load of 20 kN/m and a dead load of 25 kN/m including b weight. Take f 28 MPa, f, = 400 MPa. %3D

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Asphalt Binders and Mixtures

Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.