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Unformatted text preview: 09Ch09.qxd 9/27/08 734 1:32 PM Page 734 CHAPTER 9 Deflections of Beams Problem 9.5-8 A beam ABCD consisting of a simple span BD and an L
2 overhang AB is loaded by a force P acting at the end of the bracket CEF
(see figure). 2L
3 B F D C E A (a) Determine the deflection dA at the end of the overhang.
(b) Under what conditions is this deflection upward? Under what
conditions is it downward? P
a Solution 9.5-8 Beam with bracket and overhang
Consider part BD of the beam. (a) DEFLECTION AT THE END OF THE OVERHANG
324 EI L
uB a b
( ; 9a) upward deflection) a
(b) Deflection is upward when 6
M0 Pa Table G-2, Cases 5 and 9
162EI 9a) ( 3a L2
9 2L2 d clockwise angle) Problem 9.5-9 A horizontal load P acts at end C of the bracket C ABC shown in the figure.
(a) Determine the deflection dC of point C.
(b) Determine the maximum upward deflection dmax of member AB.
Note: Assume that the flexural rigidity EI is constant throughout the
frame. Also, disregard the effects of axial deformations and consider
only the effects of bending due to the load P. P
H B A L ...
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This note was uploaded on 12/22/2011 for the course MEEG 310 taught by Professor Staff during the Fall '11 term at University of Delaware.
- Fall '11