CIVIL ENGINEERING FORMULAS

BEAM FORMULAS 43

W = P

W = wyL

W =

W = (n + 1)P

nP

yL

xL

xL

yL

w

yL

xL

w

X = 0 x = n y

1 + n

G^2 = 0

S^3 = 0 G^2 =

S^3 = 0

Case 1

Case 3 Case 4

Case 2

P

x =^1 y

2

n y 2

(1 + n)^2

G^2 =^1 y^2

12

S^3 = –

x =^1 y

3

G^2 = y^2

1

18

(^1) y 3
135
S^3 = y^3
n(n – 1)
(1 + n)^3
wyL
2

–

FIGURE 2.8 Characteristics of loadings.