Page 89 - Civil Engineering Formulas
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44 CHAPTER TWO
wyL 1
W = – W = wyL
2 xL 3
2 2
w w = ky L
1 yL x = 1 yL yL
–
2 2
yL
– 1 y
– 1 x =
x = y 4
2 G = 3 y 2
2
2
G = 1 y 2 80
24 3 1 3
3
S = 0 S = – 160 y
Case 5 Case 6
y
Ú
W = L f(x′)dx′
W = nP 0
aL –
xL –xL – xL
P PPPPPP
yL yL yL yL yL yL W = f(x′) Ldx
x′L
– n – 1
x = y yL
2
2
y
2
2
G = n – 1 y = n + 1 . a 2 – L Ú wx′dx′
12 n – 1 12 x = 0
W
3
y
S = 0 L wx dx
Ú
2
2
G = 0
W
y
Ú
3
L wx dx
3
S = 0
W
Case 7 Case 8
FIGURE 2.8 (Continued)
