Problem 1: A singly reinforced rectangular beam has a dimension b = 310mm and d = 410 mm. Factored moment is equal to 300 kN-m, Concrete compressive strength is 24 MPa, Steel yield strength is 276 MPa and the reduction factor is 0.9. Determine the required steel area in mm?.

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A: Solution: Given: Column Span = 3.3 m fck = 30.5 MPa fy = 472 MPa DL = 3.55 kPa LL = 4.55 kPa

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A: L=4.55 mh=22.2 mt=122 mmDL=3.55 kPaLL= 4.55 kPafck= 25.5 Mpafy=472 MpaTo design- 1) Loads2) Design…

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A: L=4.55 mh=22.2 mt=122 mmDL=3.55 kPaLL= 4.55 kPafck= 25.5 Mpafy= 472 MpaTo design1) Loads2) Design…

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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.