Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN: 9781337094740
Author: Segui, William T.
Publisher: Cengage Learning
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Chapter 9, Problem 9.4.1P
To determine
(a)
Whether the beam
To determine
(b)
Whether the beam
To determine
(c)
Number of studs required.
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2. Determine if the composite beam pictured below is adequate for this application
(this includes bending, shear, deflection and shear stud limit states). The dead
load for this beam is 10 psf plus the weight of the deck, which is made from
normal weight concrete.
I
5"
5" Normal weight slab
fc=4000 psi
W24x94
Span length = 30'
Service Live Load = 100 psf
3/4" Diameter Shear Connectors
8' o.c. typical
Fu=60 ksi (shear connectors)
[Classroom practice 03 Double reinforced section-A', is known]
The design moment for a RC beam is M=450kN-m, bXh=250mmX550mm. If the
concrete of grade C35, the steel is of grade HRB400. there are 3 t 20 reinforcement
embedded in the compression zone and A',-942mm2. Design the required
reinforcement A,.
Data: C35 concrete: f =16.7N/ mm, f, = 1.57N / mm a, =1.0
HRB400: f, = 360N/ mm, 5,= 0.518 a 40mm
%3D
%3D
Effective depth: h, =550-65= 485mm
%3D
B) For reinforced concrete lining, the transverse reinforcement is two times the longitudinal reinforcement.O FalseO True
Chapter 9 Solutions
Steel Design (Activate Learning with these NEW titles from Engineering!)
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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- As a design engineer you are asked to peer review the design done by another engineer at your organization. A typical reinforced concrete floor slab plan is given. Assume all members to be simply supported. The specified compressive strength of concrete is 5000 psi and Grade-60 steel is used. Unit weight of concrete can be assumed as 150 lb/ft³. B 30'-0"- B2 -EQ.- EQ. -EQ. SEC 1 -40'-0" IS B1 B3 B3 B1 2 The only dead load acting on the slab is the self-weight of the members. The live load on the slab is 100 psf. Initial cross-section and reinforcement details of beam B1 is shown. Area of steel is 4.8in². EQ. 40'-0" B EQ. Northarrow_forwardFind the ultimate moment of resistance for the rectangular section reinforced as shown below. material strengths: Concrete Reinforcement Width of section Reinforcement fcu= 30-MPa fy:= 450-MPa b:= 280 mm d:= 510 mm d':= 50-mm 2 A, 2410-mm A's:= 628-mm 2 b A', Hi Asarrow_forwardA fully composite section that is comprised of an A992 W16x31 with a 5-inch, (f'c= 4 ksi) slab on top of it. The beam span is 30' and the spacing of the beams is 5-foot. All the shear studs to make the composite beam were completely forgotten to be installed by the contractor. Assume that the friction between the slab and the steel beam is enough to provide continuous lateral support to the compression flange of the steel beam but provides no composite action between the concrete and the steel. What is the LRFD moment capacity (4bMn) of this badly built attempt at a 'composite' beam, Hint; The flexural strength of the unreinforced concrete slab is 7.5*(f'c)^0.5 Also, the fundamental flexural equation is MC/I. Show all work.arrow_forward
- Situation: A beam has a width of 300 mm and total depth of 600 mm strength f'c-36 MPa. Steel yield strength fy=415 MPa The section is to be reinforced for tension only and the effective concrete cover is 65 mm. Which of the following most nearly gives the value of our balanced steel ratio? a. 0.00370 b. 0.03456 C. 0.02860 d. 0.03522 Which of the following most nearly gives the value of our balanced distance of the cuter most fiber of compression fiber to our neutral axis? a. 313.256 mm b. 354.68 mm C. 333.333 mm d. 322.435 mm Which of the following most nearly gives the value of our balanced depth of compression block? a. 248.412 mm b. 266.2676 mm C. 301.478 mm d. 281.261 mmarrow_forwardReferenced concrete When designing the same bim Why is the load in the case of moment greater than the load in the case of shear?arrow_forwardProvide THREE (3) considerations to improve flexural resistance in a concrete beam.arrow_forward
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