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shearing stress distribution in a beam
- 1. TOPIC SHEARING STRESS DISTRIBUTION IN A BEAM Presented by Aqsa Ramzan (UE-190xx) Yamna Naz (UE-190xx) Syeda Hina Zainab (UE-190xx)
- 2. TOPIC TO BE DISCUSSED Shearing stress 2 What is a beam and type of stresses found in a beam? What is shearing stress and bending stress Causes of shearing stress Shearing stress in a beam and its type Problems regarding shearing stress over a beam
- 3. Explanation SHEARING STRESS 3 A statically determinate beam, bending (sagging) under a uniformly distributed load Beam without any load After the load is applied BEAM: A beam is a structural element that primarily resists loads applied laterally to the beam's axis a B E A M W I T H I Let's go further and a little more deeply
- 5. 3-D Explanation of forces inside the beam
- 6. TENSION AND COMPRESSION 6 • Force that pulls things apart. • Forces that pull things together. WHAT IS TENSION AND COMPRESSION? • The neutral axis is an axis in the cross section of a beam (a member resisting bending) or shaft along which there are no longitudinal stresses or strain. WHAT IS NEUTRAL AXIS?
- 7. 3-D explanation of tension, compression and neutral axis
- 8. SHEARING STRESSES IN A BEAM
- 9. TYPES OF SHEARING STRESS • Yours to client • Yours to outside service • Outside services to you • Other departments to you Horizontal Stress • Indicate confidence level on slides if appropriate Vertical Stress 9
- 10. FORMULA 10
- 11. NUMERICAL 11
- 12. NUMERICAL 12
- 13. THANKYOU!!!!!
Editor's Notes
- The total effect of all the forces acting on the beam is to produce shear forces and bending moments within the beam, that in turn induce internal stresses, strains and deflections of the beam. Beams are characterized by their manner of support, profile (shape of cross-section), equilibrium conditions, length, and their material. For the beam we are making an assumption : 1. The plane section of the beam remain plane. 2. The material in the beam is homogeneous and obeys Hooke's law. 3. The moduli of elasticity for tension and compression are equal. 4. The beam is initially straight and of constant cross section. 5.The plane of loading must contain a principal axis of the beam cross section and the loads must perpendicular to the longitudinal axis of the beam.