Homework Answers
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Problem #1 WER W1272 WT11 For the frame shown, all girders are bending about their strong...
Question 1: Two columns are braced about the strong and weak axis as shown in the...
Question 1: Two columns are braced about the strong and weak axis as shown in the figures. Both columns are A992 steel. Column 1 (20 points) a. (7 points) Use Section E3 of the specification (i.e., equations) to determine the factored compressive strength (P)considering the limit state of flexural buckling. i. (2 points) Does the strong axis or the 20 ft weak axis control? Justify your answer. ii. (2 points) Does elastic or inelastic buckling control? Justify your answer (5...
Question 6 refers to a frame in an unbraced multi-story building shown below. The column on...
Question 6 refers to a frame in an unbraced multi-story building shown below. The column on gridline C is a W12x72 oriented such that strong axis buckling would occur in the plane of the frame. B W16x26 W1835 15 ft W16x26 W18X35 15 ft 30 ft 40 ft 6. (5 points) Determine the effective length, Lc (ft) and available strength (k) of the column. You may use either LRFD or ASD.
steel Q3 (8marks) The frame shown in the figure is un- braced (Sideway Uninhibited) and bending...
steel
Q3 (8marks) The frame shown in the figure is un- braced (Sideway Uninhibited) and bending about the x-axis of all columns are W12x58. And we found that Gg-G-1.22 ing the assumptions of alignment charts are met. All girders are W16x40, and 15f Using the alignment charts, determine the effective length factor K, for the columns AB and BC. Determine the design axial load for the column BC. . . a. Use AISC Equation E3-2 or E3-3. b. Use Table...
Don’t do the extra credit. Just the regular problem. The single-story unbraced frame shown below is...
Don’t do the extra credit. Just the regular problem.
The single-story unbraced frame shown below is subjected to dead load, roof live load, and wind load Figure I shows the results of a first-order analysis selative 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 diffierent load cases (i e, dead load, roof live load, and lateral wind load) All vertical loads are...
The single-story unbraced frame shown below is subjected to dead load, roof live load, and wind load Figure 1 shows 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: Two columns are braced about the strong and weak axis as shown in the figures. Both columns are A992 steel. Column 1 (20 points) a. (7 points) Use Section E3 of the specification (i.e., equations) to determine the factored compressive strength (P)considering the limit state of flexural buckling. i. (2 points) Does the strong axis or the 20 ft weak axis control? Justify your answer. ii. (2 points) Does elastic or inelastic buckling control? Justify your answer (5...
Question 6 refers to a frame in an unbraced multi-story building shown below. The column on gridline C is a W12x72 oriented such that strong axis buckling would occur in the plane of the frame. B W16x26 W1835 15 ft W16x26 W18X35 15 ft 30 ft 40 ft 6. (5 points) Determine the effective length, Lc (ft) and available strength (k) of the column. You may use either LRFD or ASD.
steel
Q3 (8marks) The frame shown in the figure is un- braced (Sideway Uninhibited) and bending about the x-axis of all columns are W12x58. And we found that Gg-G-1.22 ing the assumptions of alignment charts are met. All girders are W16x40, and 15f Using the alignment charts, determine the effective length factor K, for the columns AB and BC. Determine the design axial load for the column BC. . . a. Use AISC Equation E3-2 or E3-3. b. Use Table...
Don’t do the extra credit. Just the regular problem.
The single-story unbraced frame shown below is subjected to dead load, roof live load, and wind load Figure I shows the results of a first-order analysis selative 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 diffierent load cases (i e, dead load, roof live load, and lateral wind load) All vertical loads are...
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.,...
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