ce/me 2420 mechanics of material reference material · ce/me 2420 mechanics of material reference...
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CE/ME 2420Mechanics of Material
Reference Material
You are allowed to use this materialin the Exams and Quizzes.
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Alpha al-fahA a.
Beta bay-tahB Ji Gamma gam-ahr 'r
j) Delta del-tahA
Epsilon ep-si-IonE E
... Zeta zay-tahZ " Eta ay-tahH 'It
Theta thay-taB 9
Iota eye-o-taht
Kappa cap-ahK Ie
Lambda lamb-daA A
Mu mewM 11
Nu newN v
l:i. Xi zee 'l'
Omicron ohm-e-cron0 <>
Pi pIerI n:
p Rho roep
Sigma sig-mahI. Cf
Tau tawT 1:
y b Upsilon oop-si-Ion
Phi fiec;b q,
Chi kieX X
Psi sigh't' 'l'
Omega o-may-gah0 m
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A-1 Properties of areas.*
Circle
Hollow circle (tube)
I d D
Square
t x +- ---- x s t s/2 l
•symbols used are:
A= area I = moment of inertia S = section modulus
l
r = radius of gyration = Vi/,i. J = polar moment of inertia
Zp = polar section moduJus
-rrD2 A=--= "frR2
4 ,,,D•
I=-64
'ITD3 s-32
D R r----4 2 'ITD•
J=32 "fl'Dl z =--
p 16
Circumference = 1rD = 21rR
'1T(D2 - dl) A=----
4 1t(D4
- d 4)
64 1T(D4
- d4)
S- 32D
A= s2
s4 J = -
l 12 53
s --.. 6
· ..
r=----4
7r(D4 - d 4
)
J - 32
1r{D4 - d') z =----
p 16D
s r=-
z Vi2
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wx x x
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E entri all oaded olted oints