Shear Stresses in Beams Video Lecture | Strength of Materials (SOM) - Mechanical Engineering

37 videos|39 docs|45 tests

Top Courses for Mechanical Engineering

FAQs on Shear Stresses in Beams Video Lecture - Strength of Materials (SOM) - Mechanical Engineering

1. What is shear stress in beams?
Ans. Shear stress in beams refers to the internal force that acts parallel to the cross-sectional area of the beam. It is caused by the external load applied perpendicular to the longitudinal axis of the beam. Shear stress is responsible for the deformation and failure of beams under certain conditions.
2. How is shear stress calculated in beams?
Ans. Shear stress in beams can be calculated using the formula: Shear Stress = (VQ)/(It), where V is the shear force acting on the beam, Q is the first moment of the area about the neutral axis, I is the moment of inertia of the beam's cross-sectional area, and t is the thickness of the beam.
3. What are the factors that affect shear stress in beams?
Ans. Several factors can influence shear stress in beams, including the magnitude and direction of the applied load, the cross-sectional shape and dimensions of the beam, the material properties, and the support conditions. Additionally, the presence of openings or holes in the beam can also affect shear stress distribution.
4. How does shear stress impact the design of beams?
Ans. Shear stress plays a crucial role in the design of beams as it determines the beam's ability to withstand external loads without failure. Engineers need to consider the maximum shear stress values when selecting appropriate materials, determining beam dimensions, and ensuring structural stability. Neglecting shear stress considerations can lead to unexpected failures and compromise the overall integrity of the structure.
5. What are the methods to prevent shear stress failure in beams?
Ans. To prevent shear stress failure in beams, engineers employ various design strategies. These include increasing the beam's cross-sectional area, using materials with higher shear strengths, reinforcing the beam with additional supports or braces, and adding stiffeners or shear connectors. Additionally, proper load distribution and careful consideration of the beam's geometry can help minimize shear stress and improve overall structural performance.
37 videos|39 docs|45 tests
Explore Courses for Mechanical Engineering exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Free

,

Summary

,

pdf

,

study material

,

Important questions

,

Objective type Questions

,

Shear Stresses in Beams Video Lecture | Strength of Materials (SOM) - Mechanical Engineering

,

MCQs

,

Semester Notes

,

Exam

,

practice quizzes

,

shortcuts and tricks

,

Shear Stresses in Beams Video Lecture | Strength of Materials (SOM) - Mechanical Engineering

,

mock tests for examination

,

Previous Year Questions with Solutions

,

Shear Stresses in Beams Video Lecture | Strength of Materials (SOM) - Mechanical Engineering

,

Viva Questions

,

Extra Questions

,

ppt

,

past year papers

,

video lectures

,

Sample Paper

;