Advanced Methods of Structural Analysis

(Jacob Rumans) #1

Problems 511


Ans. 0 D

ql^3
24 EI



12
^3


2 tan


2




;y


l
2


D

5ql^4
384 EI



384
5^4


sec


2

 1 

^2
8


I

M



l
2


D

ql^2
8



8
^2


sec


2

 1



13.18.The uniform beamABis subjected to axial compressive forcePand exter-
nal momentM 0 at the supportA(Fig. P13.18). Calculate the slope at the support
Aand reactions of supportsAandB. Estimate effect of axial load for different
parametersk,


PDkPcr;PcrD

2 EI
.0:7l /^2

:

P A B

M 0

l

Fig. P13.18


Ans.Q 0 D

M 0
l



.cos1/
sincos

,MBDM 0

sin
sincos

:

13.19.The uniform beamAB is subjected to axial compressive forceP and
transversal forceFat the middle point of the beam. Calculate slope at he sup-
portA, and linear displacement and bending moment at the point of forceF.


A B

l/ 2

P

l/ 2

F

Fig. P13.19


Ans. 0 D

Fl^2
16 EI



8
^2


sec


2

 1


;y


l
2


D

Fl^3
48 EI



24
^3


tan


2




2


I

M



l
2


D

Fl
4



2


tan


2

;Dl

r
P
EI
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