A beam of Grade 50 steel is adequately braced and has a lateral-torsional buckling modification factor...
A beam of Grade 50 steel is adequately braced and has a lateral-torsional buckling modification factor of Cb = 1.0. The maximum factoredmoment applied tothe component is Mu = 295 kip − ft. The lightest suitable W-shape required is W14 x .
Homework Answers
Given grade of steel is 50 ksi
Cb = 1
Demand moment in beam = 295 kip-ft
The lightest W14-section can be determined from Table 3-2 of AISC
The lightest W14 section that has plastic moment capacity greater than 295 kip-ft is W14x61 with capacity of 383 kip-ft
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A beam of Grade 50 steel is adequately braced and has a
lateral-torsional buckling modification factor...
Your response... A beam of Grade 50 steel is adequately braced and has a lateral-torsional buckling...
Your response... A beam of Grade 50 steel is adequately braced and has a lateral-torsional buckling modification factor of Cg = 1.0. The max- imum factored moment applied to the com- ponent is My = 229 kip - ft. The lightest suitable W-shape required is W14 x - Previous responses * 1. 48 (4/21/20 1:40 PM) * 2. 30 (4/21/20 1:41 PM)
The 24 ft beam shown is laterally braced at the ends and at the centerline of...
The 24 ft beam shown is laterally braced at the ends and at the centerline of the beam span. The beam supports two concentrated live loads of 15 kips at the / and points. Assume 50 ksi steel and use a calculated value of Cb. You may neglect the beam self-weight. Select the lightest W-shape. As part of your answer indicate the following: Problem 3 (20 points) Member selected W X Cb Mu DMa PL PL 12 ft 6 ft...
Show all steps Problem 1: Select a W-shape beam for the following load scenario. Assume there...
Show all steps
Problem 1: Select a W-shape beam for the following load scenario. Assume there is bracing at the ends and at midspan. Use A992 steel. The deflection limit is given as L/360. (35 points) DL = 0.75 k/ft LL = 1.00 k/ft 15 ft 15 ft a. Using AISC LRFD, compute the factored design load, Mu, acting on the member. (ANS. b. What section would you select if you did not consider the moment gradient? (ANS. c. Account...
Problem 5: Select the lightest steel beam. Fy=50 ksi. The lateral bracing is provided at the...
Problem 5: Select the lightest steel beam. Fy=50 ksi. The lateral bracing is provided at the both ends and at the two points 10 ft each from the ends. Neglect Mn Fy 2 weight of the beam. (1) Check moment. (2) Check shear. (3) Determine the maximum deflection. 50 Pin Pin Po=22k PL=45k PD-22k PL 45k toft 10'x3=30'
Problem 5: Select the lightest steel beam. Fy=50 ksi. The lateral bracing is provided at the both ends and at the two...
Select the lightest W shape for the beam shown. Assume A36 steel and full lateral support. Consider moment and shear. 4...
Select the lightest W shape for the beam shown. Assume A36 steel and full lateral support. Consider moment and shear. 4-34. 50 220 80* 2-0 10-0 10-0 8-0 PROBLEM 4-34
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Problem l The beam shown below is laterally braced at D,F and F. The uniform load shown does not include the weight of the beam. Determine whether a W24x 104 ASTM A992 is adequate for bending and sh...
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Question 1 2 pts Which of the following will have a size factor, Cr, from table 5.2 0 5x5 stud grade 0 624, No. 1 grade O 4x8, No.1 and better grade O 8x8, Dense No. 1 grade 2 pts Question 2 Question 4 2 pts Which of the following is an incorrect definition for the type of Structural lumber listed? Hint: see section 5.1 OPost and Timbers: Rectangular sections 5in or more in thickness with width 2in or more...
Your response... A beam of Grade 50 steel is adequately braced and has a lateral-torsional buckling modification factor of Cg = 1.0. The max- imum factored moment applied to the com- ponent is My = 229 kip - ft. The lightest suitable W-shape required is W14 x - Previous responses * 1. 48 (4/21/20 1:40 PM) * 2. 30 (4/21/20 1:41 PM)
The 24 ft beam shown is laterally braced at the ends and at the centerline of the beam span. The beam supports two concentrated live loads of 15 kips at the / and points. Assume 50 ksi steel and use a calculated value of Cb. You may neglect the beam self-weight. Select the lightest W-shape. As part of your answer indicate the following: Problem 3 (20 points) Member selected W X Cb Mu DMa PL PL 12 ft 6 ft...
Show all steps
Problem 1: Select a W-shape beam for the following load scenario. Assume there is bracing at the ends and at midspan. Use A992 steel. The deflection limit is given as L/360. (35 points) DL = 0.75 k/ft LL = 1.00 k/ft 15 ft 15 ft a. Using AISC LRFD, compute the factored design load, Mu, acting on the member. (ANS. b. What section would you select if you did not consider the moment gradient? (ANS. c. Account...
Problem 5: Select the lightest steel beam. Fy=50 ksi. The lateral bracing is provided at the both ends and at the two points 10 ft each from the ends. Neglect Mn Fy 2 weight of the beam. (1) Check moment. (2) Check shear. (3) Determine the maximum deflection. 50 Pin Pin Po=22k PL=45k PD-22k PL 45k toft 10'x3=30'
Problem 5: Select the lightest steel beam. Fy=50 ksi. The lateral bracing is provided at the both ends and at the two...
Select the lightest W shape for the beam shown. Assume A36 steel and full lateral support. Consider moment and shear. 4-34. 50 220 80* 2-0 10-0 10-0 8-0 PROBLEM 4-34
Select the lightest W shape for the beam shown. Assume A36 steel and full lateral support. Consider moment and shear. 4-34. 50 220 80* 2-0 10-0 10-0 8-0 PROBLEM 4-34
A steel I-beam with a span of 20 feet will support both a concentrated load of 15 kips at the beam center and a uniformly distributed load of 2 kips/ft along the entire beam length. The steel beam is Grade 50 (Fy= 50,000 psi). i) Calculate for the lightest W-shape section that will safely carry the load, with the depth not to exceed 17 inches. Provide sketches. ii) The analysis is to include (a) bending strength, (b) shear strength, and...
Problem l The beam shown below is laterally braced at D,F and F. The uniform load shown does not include the weight of the beam. Determine whether a W24x 104 ASTM A992 is adequate for bending and shear. P,-12k PL -36k 3k/ft 10 20 30 FIGURE P5.5-15 a) Determine the controlling load combination and calculate Pu (for the concentrated force) and wu (for wo plus beam's selfweight, which is a uniformly distributed load) b) Analyze the beam loaded with the...
The single-story unbraced frame shown below is subjected to dead load, roof live load, and wind load Figure 1 shows the results of a first-order analysis relative to the columns of the frame. The axial load and end moment (also equal to the maximum moment in the column) are given separately for the different load cases (i.e., dead load, roof live load, and lateral wind load). All vertical loads are symmetrically placed and contribute only to the Mnt moments (i.e.,...
Question 1 2 pts Which of the following will have a size factor, Cr, from table 5.2 0 5x5 stud grade 0 624, No. 1 grade O 4x8, No.1 and better grade O 8x8, Dense No. 1 grade 2 pts Question 2 Question 4 2 pts Which of the following is an incorrect definition for the type of Structural lumber listed? Hint: see section 5.1 OPost and Timbers: Rectangular sections 5in or more in thickness with width 2in or more...
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