16Example 7.4Determine (approximately) the forces acting in the members of the Warren portal.
17Frames under Horizontal Loads Portal methodInflection pointsShear forces
18Frames under Horizontal Loads Cantilever methodInflection pointsAxial forces
197. Approximate Analysis Structural analogy What are inflection points? How to analyze frames under vertical loads?How can inflection points be used to simplify the analysis?What are portal method and cantilever method?