Question 1 For the reinforced concrete column with cross section shown in Figure 1. Concrete: fe' = 60 MPa fay = 500 MPa Steel: a) Calculate the pure axial design compression capacity oNuo b) Calculate oNu and oMu for unstressed state of tensile steel (decompression point). c) Calculate oNub and oMub for balanced failure state. d) Calculate the pure design bending moment capacity Muo 360 40 N20 390 N20 40 Figure 1

Q: 600 80 500 MPa 600- 10 psi 80 60 400 400 60 300 40 40 200 200 20 20 100 todos 0.005 0.05 0.10 0.15…

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A:

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A:

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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.