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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Question
Chapter 3, Problem 3.6.2P
To determine
(a)
The lightest American Standard Channel section for a tension member using the Load and Resistance Factor Design (LRFD) method.
To determine
(b)
The lightest American Standard Channel section for a tension member using Allowable Strength Design (ASD) method.
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Use A36 steel and select the lightest American Standard Channel for a tension member that will safely support a service dead load of 444.82 kN and service live load of 222.41 kN. The member is 6.1 m long, and it is connected through the web with two lines of 25 mm diameter bolts. The length of the connection is 150mm.
a. Use LRFD
b. Use ASD
A plate 1⁄2 3 4 of A36 steel is used as a tension member to carry a service dead load of 6 kips and a service live load of 18 kips. It is to be attached to a 3⁄8-inch gusset plate, as shown in Figure. Design a welded connection.
For following tensioned loads PD=80kips and PL=120kips and by using LRFD method, select the lightest WT6 channel shape to be used as a 20ft long. The member will be connected by a longitudinal weld to flange only (6in) in long at the end. Use A992 Grade (Fy= 50ksi and Fu=65ksi)
Chapter 3 Solutions
Steel Design (Activate Learning with these NEW titles from Engineering!)
Ch. 3 - Prob. 3.2.1PCh. 3 - Prob. 3.2.2PCh. 3 - Prob. 3.2.3PCh. 3 - Prob. 3.2.4PCh. 3 - Prob. 3.2.5PCh. 3 - Prob. 3.2.6PCh. 3 - Prob. 3.3.1PCh. 3 - Prob. 3.3.2PCh. 3 - Prob. 3.3.3PCh. 3 - Prob. 3.3.4P
Ch. 3 - Prob. 3.3.5PCh. 3 - Prob. 3.3.6PCh. 3 - Prob. 3.3.7PCh. 3 - Prob. 3.3.8PCh. 3 - Prob. 3.4.1PCh. 3 - Prob. 3.4.2PCh. 3 - Prob. 3.4.3PCh. 3 - Prob. 3.4.4PCh. 3 - Prob. 3.4.5PCh. 3 - Prob. 3.4.6PCh. 3 - Prob. 3.5.1PCh. 3 - Prob. 3.5.2PCh. 3 - Prob. 3.5.3PCh. 3 - Prob. 3.5.4PCh. 3 - Prob. 3.6.1PCh. 3 - Prob. 3.6.2PCh. 3 - Prob. 3.6.3PCh. 3 - Select an American Standard Channel shape for the...Ch. 3 - Prob. 3.6.5PCh. 3 - Use load and resistance factor design and select a...Ch. 3 - Select a threaded rod to resist a service dead...Ch. 3 - Prob. 3.7.2PCh. 3 - Prob. 3.7.3PCh. 3 - Prob. 3.7.4PCh. 3 - Prob. 3.7.5PCh. 3 - Prob. 3.7.6PCh. 3 - Prob. 3.8.1PCh. 3 - Prob. 3.8.2PCh. 3 - Prob. 3.8.3PCh. 3 - Prob. 3.8.4PCh. 3 - Prob. 3.8.5P
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Similar questions
Use load and resistance factor design and select a W shape with a nominal depth of 10 inches (a W 10) to resist a dead load of 175 kips and a live load of 175 kips. The connection will be through the flanges with two lines of 11 4 -inch-diameter bolts in each flange, as shown in Figure P3.6-6. Each line contains more than two bolts. The length of the member is 30 feet. Use A588 steal.
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Select an American Standard Channel shape for the following tensile loads: dead load = 54 kips, live load = 80 kips, and wind load = 75 kips. The connection will be with longitudinal welds. Use an estimated shear lag factor of U = 0.85. (In a practical design, once the member was selected and the connection designed, the value of U would be computed and the member design could be revised if necessary.) The length is 17.5 ft. Use Fy=50 ksi and Fu=65 ksi. a. Use LRFD. b. Use ASD.
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Select a threaded rod to resist a service dead load of 45 kips and a service live load of 5 kips. Use A36 steel. a. U36 LRFD. b. Use ASD.
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Fy-channel = 345 MPa, Fu-channel = 450 MPa Fy-plate = 248 MPa, Fu-plate = 400 MPa Achannel = 3555 mm^2, tw = 12.18 mm, Shear lag factor = 0.90
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A WT10.5 x 31 is used as a bracket to transmit a 60-kip service load to a W14 x 90 column, as previously shown in Figure . The load consists of 15 kips dead load and 45 kips live load. Four 7⁄8-inch-diameter Group A bolts are used. The column is of A992 steel, and the bracket is A36. Assume all spacing and edge-distance requirements are satisfied, including those necessary for the use of the nominal strength in bearing deformation (i.e., 2.4dtFu)*, and determine the adequacy of the bolts for the following types of connections: (a) bearing-type connection with the threads in shear and (b) slip-critical connection with the threads in shear.
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A double channel shape is used as a tension member. The channels are bolted to a gusset plate with 22mm diameter bolts.
Fy-channel = 345 MPa, Fu-channel = 450 MPa Fy-plate = 248 MPa, Fu-plate = 400 MPa Achannel = 3555 mm^2, tw = 12.18 mm, Shear lag factor = 0.90
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Use A36 steel and select a single-angle tension member to resist a service dead load of 13 kips and a service live load of 45 kips. Assume that the member will be connected to a 3⁄8- inch-thick gusset plate with a single line of five 7⁄8-inch diameter bolts. The member is 15 feet long. Note that the block shear strength failure must be consider for the design.
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Select the lightest C6 channel shape to be used as a 12 ft long tension member to resist the following service loads, PD = 20 k and PL = 32 k.The member will be connected by a transverse weld at the end of the channel only. Use A36 Grade 36 steel with Fu = 58 ksi.
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