Answered: E P D (a) P = 1700 lb MA C B A k RA RB…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Beam ABC is fixed at support A and rests
(at point B) upon the midpoint of beam DE (see parta
of the gure). Thus, beam ABC may be represented
as a propped cantilever beam with an overhang BC
and a linearly elastic support of stiffness k at point B
(see part b of the figure).
The distance from A to B is L =10 ft, the distance
from B to C is L/2 = 5 ft, and the length of beam
DE is L =10 ft. Both beams have the same flexural
rigidity EI. A concentrated load P =1700 lb acts at
the free end of beam ABC.
Determine the reactions R_A, R_B, and M_A for beam
ABC. Also, draw the shear-force and bending-moment
diagrams for beam ABC, labeling all critical ordinates.

E
P
D
(a)
P = 1700 lb
MA
C
B
A
k
RA
RB
L = 10 ft
(b)
ft
2

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