The 6#6 bars at the bottom extend along the entire length of the beam. All the 6#9 bars are to be terminated together at the point it is no long required according to the specification of ACI 318. Determine the distance of the termination point from the face of the right support. Check if the development length requirement of ACI 318 is satisfied. For this check, you may use the simplified formula in ACI 318:
The 6#6 bars at the bottom extend along the entire length of the beam. All the 6#9 bars are to be terminated together at the point it is no long required according to the specification of ACI 318. Determine the distance of the termination point from the face of the right support. Check if the development length requirement of ACI 318 is satisfied. For this check, you may use the simplified formula in ACI 318:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Consider the same beam as in Problem 1. It carries a live load of 3 kips/ft.
8" 8"
V (kips)
wl
M (kips)
9
w/²
128
6"
6 #6
7.5 ft.
7.5 ft.
A
WL =3 kips/ft.
1 =20 ft.
6 #9
500
8
5 ft.
B
wl
8
-W/2
B
Transcribed Image Text:2.5"
10"
6 #6
la
20"
=
Section A-A
5"
22"
2.5"
6 #9
6#6
Section B-B
The beam is simply supported at the left end and fixed at the right end. Under a unform load
w, it has the shear and moment diagrams shown above. It has normal weight concrete. The
concrete strength is specified to be 4,000 psi and the steel is Grade 60. The amount of
reinforcement satisfies the tension-controlled condition.
I 4”
In addition to its own weight, it carries a live of 3 kips/ft. The live load is imposed on the top
of the web of the beam. Solve the following parts
The 6#6 bars at the bottom extend along the entire length of the beam. All the 6#9
bars are to be terminated together at the point it is no long required according to the
specification of ACI 318. Determine the distance of the termination point from
the face of the right support. Check if the development length requirement of
ACI 318 is satisfied. For this check, you may use the simplified formula in ACI
318:
fyy.
=d, where x = 20 for #7 and larger bars, x = 25 for #6 and smaller bars
x√fi
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