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
After trial if oil seal found still leaking: Dismantle engine and check crank shaft for run out which should not be more than 0.10 mm.

Replace the two parallel forces by single force: Replace the two parallel forces acting on the control lever by a single equivalent force R.   Sol.: Since single equ

What are the different theories of failure under static load, explain briefly? The major theories of failure of a member subjected to bi-axial stress are as below: > Maximu

Steps of servicing   Bring the motorcycle in the washing bay. Clean the motorcycle with recommended soap solution and soft sponge. Wash the motorcycle with a jet o

Consider the expansion loop displayed in the diagram below, which is part of a long pipeline.  The loop is made up of a uniform pipe section and is subjected to a temperature raise

Construct of a diagonal scale: During construct of a diagonal scale of RF = 1/48, displaying yards, inches and feet to represent a maximum length of 7 yards. Scratch a distanc

What is carbonation.? Discuss its stability s mathod of formation

Steam table - Thermodynamics: Sol.: Steam table offers various physical data regarding the properties of saturated water and steam. This table is very helpful in solving the

Calculate Additional force required to maintain equilibrium: Fo r the system shown in figure find the additional single force required to maintain equilibrium. Sol.: L