Basic formula for maximum bending moment, Mechanical Engineering

Q. Write down the basic formula for maximum bending moment in some ideal cases.

Sol.:

 

Berm together with nature of load

Maximum B.M.

Section when maximum B.M. occurs

1.

 

 

 

 

 

 

Cantilever loaded with 1 point load wat the free end.

WL

It occurs at fixed end.

1562_bending moment.png

 

2.

 

 

 

 

 

 

 

Cantilever loaded with U.D.L. over entire length.

WL2

2

here

W = total value of U.D.L.

20 × l

 

It occurs at fixed end.

 

w/unit length

758_bending moment1.png

 

Berm together with nature of load

Maximum B.M.

Section when maximum B.M. occurs

 

3.

 

 

 

 

Boam loaded with 1 point load at the mid-span.

WL

4

where

W = point load placed at mid-span.

 

If occurs at mid-span.

 

 

 

2340_bending moment2.png

 

4.

 

WL2

8

where

W = total value of U.D.L.

= 20 × l.

 

If occurs at mid-span.

w/unit length

 

 

l

Posted Date: 10/20/2012 8:22:53 AM | Location : United States







Related Discussions:- Basic formula for maximum bending moment, Assignment Help, Ask Question on Basic formula for maximum bending moment, Get Answer, Expert's Help, Basic formula for maximum bending moment Discussions

Write discussion on Basic formula for maximum bending moment
Your posts are moderated
Related Questions
A piston-cylinder assembly fitted with a paddle wheel contains air, initially at p1=30 lbf/in2, T1=540 °F, and V1=4 ft3. The air undergoes a process to a final state where p2=20 lb

Forces in the members of the truss: Find out the forces in the members AB , BC , AC of the truss shown in the figure drawn adjacent. Sol.: First determin

Total decrease in length: Q: A hollow cast iron cylinder 4 m long, 300 mm is the outer diameter, and thickness of metal 50 mm is subjected to central load on top when standin

Maximum shear stress and angle of twist: Torques are applied on the shaft as illustrated in Figure. Discover in which portion of the shaft, maximum shear stress & angle of twi

What are the condition that could allow a continuous chip to be formed in a metal cutting ? How is metal removed in metal cutting? Illustrate the Process with neat sketch. What

Determine the Wire Drawing - cold drawing processes Similar to above process bars are first pickled, washed and coated to prevent any oxidation. After this rods are passed t

What is the procedure of becoming tutor in your program?

The problem: - Deaf blind people have a huge problem when crossing the streets. They always need assistance from a sighted person or a trained dog to cross the street. There i

ES 347 - Thermodynamics Project Assigned: 3/28/2013 Due: 4/25/2013 Problem specification 5 kg of air is contained in a piston-cylinder device, initially at a pressure of 2MPa and a

WHAT IS SPECIFIC HEAT