P
P
R
L
LR
AL
LR LRLR
R
(a)
(b)
(c)
ML
ML M ML MR
R
MR
kL
VL VR
kL
kL
k(l – k)PL
= ++
k(l – k)PL
BC
FIGURE 2.4 Any span of a continuous beam (a) can be treated as a simple beam, as shown in
(b) and (c). In (c), the moment diagram is decomposed into basic components.
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