A trapezoidal reinforced concrete beam of 11 m span is reinforced with steel having a total area of 726 n mm?. The upper base is 300 mm while the lower base is 500 mm. Steel and concrete strength are 345 MPa and 24 MPa, respectively. Use d = 400 mm and a distance of 50mm from centroid of steel to the outermost fiber of the concrete. a) Compute the distance between the neutral axis and the most compressed fiber of concrete in mm. b) Compute the moment capacity in kN.m.

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Introduction to Engineering Design

Students are often confused with engineering and design. The term engineering design has two words with different meanings, engineering, and design. The term engineering implies applications of laws and principles of science to design and analyze physical structures and components. In civil engineering, students apply the concept of physics and chemistry to design and build structures and buildings. In engineering disciplines, the term design means determining the dimensions, loads, and associated influences on the component due to the applied loads such as stresses and deformations. The estimation of such parameters is crucial to make the component or structure foolproof.