Bundle: Steel Design, Loose-leaf Version, 6th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
6th Edition
ISBN: 9781337761505
Author: William T. Segui
Publisher: Cengage Learning
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Chapter 9, Problem 9.8.5P
To determine
(a)
Selection of a
To determine
(b)
Number of shear studs required.
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Problem 1.
The composite beam shown below carries a cantilevered load of 10 kN. The beam consists of one
30 x 124 mm plate and four 12 x 50 mm plates. They are pinned together at 120 mm intervals with
round pins. The pin material has a shear strength of 159 MPa. Compute the minimum acceptable
diameter for the pins.
O
O
O
O
O
O
O
-0
O
0-
O
1000 mm
Do O
-120 mm (typ)
O
O
O
P = 10 KN
30 x 124 mm
12 x 50 mm (typ)
Design Specifications
1st and
2nd floor
Member
Roof Deck Load (Typical)
Live Load
Item
Superimposed Dead
Load (Typical)
Live Load
Superimposed Dead
a.
b.
C.
For the structural plan attached,
Hint:
Self-weight
B1
B2
Notes:
1. For simplicity, neglect self-weight of concrete slab
B3
G1
G2
C1
C2
Design Loadings
Application
Slabs
Slabs
Slabs
Slabs
Value
4
3
2
3
4
4
4
Value
4
means pinned
means continuous
Assume all members have the same stiffness (same El) for simplicity
8
4
6
Unit
kN/m
kN/m
kN/m
kN/m
kN/m
kN/m
kN/m
Unit
kPa
kPa
kPa
kPa
Determine the factored bending moment (LRFD) to be used in the design of Beam B1 in kNm.
Determine the factored shear force (LRFD) to be used in the design of Girder G2 in kN.
Determine the factored axial load (LRFD) to be used in the design of Column C1 in kN.
-I
T
C2
G2
C1
G1
C1
5000
B3
1
B2
B1
B2
C2
C1
∙H.
GROUND FLOOR FRAMING PLAN
C1
I
G2
H
G1
İ
8
C2
C1
G1
C1
5000
B3
1
B2
B1
+
B2
1
B3
.
C2
C1
I
C1
SECOND FLOOR AND ROOF DECK FRAMING PLAN
G1
G1
A reinforced concrete cantilever beam is shown
below. The beam cross section is a rectangle,
12 inches deep by 18 inches wide.
Material properties are:
- Concrete weight: wt = 150 pcf
- Concrete compressive strength: f'c = 4000 psi
- Concrete tensile strength: f't= 400 psi
- Steel tensile strength: fy = 60 ksi
- Stirrup consists of #4 bar
- Beam is not exposed to weather or in contact
with soil.
Calculate the maximum bending moment under the beam self-weight.
10 ft-
8,750 lb-ft
10,250 lb-ft
11,250 lb-ft
11,750 lb-ft
18"
BEAM SECTION
Chapter 9 Solutions
Bundle: Steel Design, Loose-leaf Version, 6th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
Ch. 9 - Prob. 9.1.1PCh. 9 - Prob. 9.1.2PCh. 9 - Prob. 9.1.3PCh. 9 - Prob. 9.1.4PCh. 9 - Prob. 9.1.5PCh. 9 - Prob. 9.1.6PCh. 9 - A W1422 acts compositely with a 4-inch-thick floor...Ch. 9 - Prob. 9.2.2PCh. 9 - Prob. 9.3.1PCh. 9 - Prob. 9.3.2P
Ch. 9 - Prob. 9.4.1PCh. 9 - Prob. 9.4.2PCh. 9 - Prob. 9.4.3PCh. 9 - Prob. 9.4.4PCh. 9 - Prob. 9.4.5PCh. 9 - Prob. 9.5.1PCh. 9 - Prob. 9.5.2PCh. 9 - Prob. 9.5.3PCh. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Prob. 9.7.1PCh. 9 - Prob. 9.7.2PCh. 9 - Prob. 9.7.3PCh. 9 - Prob. 9.7.4PCh. 9 - Prob. 9.8.1PCh. 9 - Prob. 9.8.2PCh. 9 - A beam must be designed to the following...Ch. 9 - Prob. 9.8.4PCh. 9 - Prob. 9.8.5PCh. 9 - Prob. 9.8.6PCh. 9 - Prob. 9.8.7PCh. 9 - Prob. 9.8.8PCh. 9 - Use the composite beam tables and select a W-shape...Ch. 9 - Prob. 9.8.10PCh. 9 - Prob. 9.10.1PCh. 9 - Prob. 9.10.2P
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- Note For Problems 9.6-1 through 9.6-5, use the lower-bound moment of inertia for deflection of the composite section. Compute this as illustrated in Example 9.7. 9.6-5 For the beam of Problem 9.4-2. a. Compute the deflections that occur before and after the concrete has cured. b. It the live toad deflection exceeds L360 , select another steel shape using either LRFD or ASD.arrow_forwardA W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The beams are spaced at 7 feet 6 inches, and the span length is 30 feet. The superimposed loads are as follows: construction load = 20 psf, partition load = 10 psf, weight of ceiling and light fixtures = 5 psf, and live load = 60 psf, A992 steel is used, and fc=4 ksi. Determine whether the flexural strength is adequate. a. Use LRFD. b. Use ASD.arrow_forwardNote For Problems 9.6-1 through 9.6-5, use the lower-bound moment of inertia for deflection of the composite section. Compute this as illustrated in Example 9.7. 9.6-2 Compute the following deflections for the beam in Problem 9.2-2. a. Maximum deflection before the concrete has cured. b. Maximum total deflection after composite behavior has been attained.arrow_forward
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