A 3-m 150 mm CHB wall rests on a 600 mm thick concrete footing. The CHB wall weighs 3.3 kN/m² and will carry a construction live load of 20 kN per meter length of wall. 24 kN/m³, 18 kN/m³,,fc' = 28 MPa, fy = 248 MPa. Steel cover to bar centroid is 90mm. 3 m 600 mm PD+PL V 1 m Determine the magnitude of critical moment at the footing and the spacing of the 16 mm bars

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Engineering Economics Principles

Engineering economics (engineering economy) is a sub-field of economics to study the use and application of the economic principles in the engineering analysis of decisions along with the systematic evaluation of the advantages of project costs inclusive of engineering design and analysis. It emphasizes microeconomics (a subset of economics) for researching the behavior of people in the decision-making process of assigning and determining multiple alternatives to the usage of some of the restrained resources and merging economic theory and engineering practice in a practical manner. It depicts the logical framework of economics in addition to the analytical application of statistics and mathematics.