Page 79 - Civil Engineering Formulas
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Wx 2
–
2W
W
W
3
3
=
=
=
W l 2 3 2Wl = 0.1283Wl = 0.5774l = 3 3 9 Wx (l 2 – x 2 ) = 3l 2 Wl 2 8 = 0.01304 = 0.5193l 1 – EI 15 Wx (3x 4 – 10l 2 x 2 + 7l 4 ) = 180EIl 2 (m) Elastic-curve equations for prismatic beams. (m) Simple beam—load increasing uniformly to on
x = x = l
V 2max at at
V 1
= = Δ max
R 1 R 2 V x M max M x Δ x
V 2
R 2
W
l Moment
0.5774l Shear
x
R 1 M max FIGURE 2.3 (Continued)
V 1
36
