Discussion of Derivation of formulas in the Analysis of Reinforced Concrete Beam based on NSCP 2015 Part 1 - Principles of Flexural Stress: • Part 1 - Principles of Flexural Stress Part 3 - Sample Problem 1 (Steel Yields): • Part 3 - Sample Problem 1 Steel Yield Part 4 - Sample Problem 2 (Steel does no yield): Soon