Determinacy of Beams: Statically indeterminate beams. Statically determinate beams- Simply supported cantilever beamCantilever beamL1Continuous beam- Simply supported beamFixed beam Overhanging beam16
- Overhanging beam - Cantilever beam • Statically determinate beams - Simply supported beam • Statically indeterminate beams - Continuous beam Determinacy of Beams 16 - Simply supported cantilever beam - Fixed beam
Sign Convention of Shearing Forces and Bending Moments? Shearing forces- Positive: left up / rightHHdown (clockwise loop): Bending moment- Positive: upper halfMMeMMunder compressionlowerhalfundertension(top concave / bottomconvex)17
- Positive: upper half under compression / lower half under tension (top concave / bottom convex) - Positive: left up / right down (clockwise loop) • Shearing forces • Bending moment FS FS M M M M Sign Convention of Shearing Forces and Bending Moments FS FS 17