1.054/1.541 Mechanics and Design of Concrete Structures
Spring 2004
Prof. Oral Buyukozturk
1 / 7
1.054/1.541 Mechanics and Design of Concrete Structures (3-0-9)
Design Example
Shear and Torsion
Objective
:
To examine the adequacy of given cross section based on shear and torsion capacities.
Problem
:
At a section of a beam, the internal forces are
V
u
= 45 kips,
M
u
= 300 kips-ft, and
T
u
=
120 kips-ft. The material strengths are
f’
c
= 4 ksi and
f
y
= 60 ksi. Assume that the
distance from beam faces to the center of stirrups is 2 in and d is 21 in.
a
a
Massachusetts Institute of Technology
Figure 1
. Plan view of overpass
24
‘’
16
‘’
T
u
M
u
V
u
Figure 2
. Cross section a-a

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