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Problem # 4: Refer to figure 04 for the one-story sway frame geometry. Using the alignment...
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 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.
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...
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...
Problem 3 (30 pts): Determine if the column between the first and second floors (AB) is...
Problem 3 (30 pts): Determine if the column between the first and second floors (AB) is appropriate to carry a factored load of P. = 577 k. The frame is sideways inhibited in the plane of the frame and the columns are continuously braced against buckling in the y-y direction. The material is ASTM A992 steel. Use the appropriate alignment chart to determine K. Use any of the design aids from the manual that you think are appropriate. P. =...
Problem 22. Two-story, one-bay unbraced frame shown below is subjected to gravitational dead and live loads...
Problem 22. Two-story, one-bay unbraced frame shown below is subjected to gravitational dead and live loads and wind lateral load. The columns are made of W18x65 (I,-1070 in , Ag- 19.1 in2, r-7.49 in, ry-1.69 in) and beams are made of W18x71 (1, 1170 in). The table below shows the moments at the ends of column 4-5 due to three load cases. The frame is fully braced in lateral direction. Use Grade50 steel Bending is about strong axis. All gravity...
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 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.
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...
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...
Problem 3 (30 pts): Determine if the column between the first and second floors (AB) is appropriate to carry a factored load of P. = 577 k. The frame is sideways inhibited in the plane of the frame and the columns are continuously braced against buckling in the y-y direction. The material is ASTM A992 steel. Use the appropriate alignment chart to determine K. Use any of the design aids from the manual that you think are appropriate. P. =...
Problem 22. Two-story, one-bay unbraced frame shown below is subjected to gravitational dead and live loads and wind lateral load. The columns are made of W18x65 (I,-1070 in , Ag- 19.1 in2, r-7.49 in, ry-1.69 in) and beams are made of W18x71 (1, 1170 in). The table below shows the moments at the ends of column 4-5 due to three load cases. The frame is fully braced in lateral direction. Use Grade50 steel Bending is about strong axis. All gravity...
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