Coefficient of Thermal Expansion and their Importance.pptx
L6 analysis by moment area theorems
1. Subject Name: Theory of Structures
Topic Name: Analysis of Beams By Moment Area Method
Lecture No: 6
Dr.Omprakash Netula
Professor & HOD
Department of Civil Engineering
7/24/2017 Lecture Number, Unit Number 1
3. Moment-Area Theorems
• 2nd moment-area theorem
dx
EI
M
xdx
EI
M
xt
B
A
B
A
BA/
dx
EI
M
xdxdt
Horizontal dis btw A & centroid of M/EIA-B
M/EI area btw A & B
d
EI
M
dx
dθ
6. Example 1
Determine the slope at points B & C of the beam. Take E = 200GPa, I = 360(106)mm4
ACCABB // ;
rad
EI
kNm
m
EI
kNm
EI
kNm
m
EI
kNm
ABB
00521.0
375
)5(
50100
2
1
)5(
50
2
/
dx
EI
MB
A
AB/
radACC 00694.0/