What is the slenderness ratio of the column shown below (2
directions)? Is it acceptable?
What is the slenderness ratio of the column shown below (2 directions)? Is it acceptable? Unbraced...
2. (1 point) What is the controlling effective slenderness ratio for the column shown below assuming a W14x74. 15 ft 35 ft 10 ft 10 ft X-X axis y-y axis
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.
3. What is the effect of column slenderness on the strength of a RC column?
The column shown has a hollow rectangular cross-section. L=6 meters, the material is cold-drawn steel with E=207 GPa, and Sy=580 MPa. Assume end condition to be C=1; 010 Determine D=80mm 200mm 1. 2. 3. 4. Slenderness ratio Transition Slenderness ratio Short or long column? Why? Is the column safe if the axial load P shown is 1 MN? 100mm Column Cross-section bh3 For a rectangular cross-section I 12 X For a circular cross-section, I = 1 D4 64
For the figure shown, the column consists of a W10x33 and is A992 steel. Assume no torsional buckling. Assume that the effective length factor, K 1.0 in both the X and Y directions. a) Check column effective slenderness ratio. b) Using the equations in Table B4.1a, show the checks for slender elements. Using Chapter E, determine the design compressive strength, фРп, of the column. c) d) Is the member adequate for the compressive force shown D=80 K L= 115 K...
The column shown has a hollow rectangular cross-section. I=6 meters, the material is cold-drawn steel with E=207 GPa and Sy=580 MPa. Assume end condition to be C=1; Determine 1. Slenderness ratio 2. Transition Slenderness ratio D-80mm 200mm 3. Short or long column? Why? 4. Is the column safe if the axial load P shown is I MN? 100mm Column Cross-section bh For a rectangular cross-section I = 12 For a circular cross-section, 1 = " D4 64
O The column shown has a hollow rectangular cross-section. I=6 meters, the material is cold-drawn steel with E=207 GPa, and Sy=580 MPa. Assume end condition to be C=1; Determine 1. Slenderness ratio 2. Transition Slenderness ratio 200mm 3. Short or long column? Why? 4. Is the column safe if the axial load P shown is 1 MN? D80mm 100mm Column Cross-section bh? For a rectangular cross-section I 12 For a circular cross-section, I = +04 64
ľ The column shown has a hollow rectangular cross-section. I=6 meters, the material is cold-drawn steel with E=207 GPa, and Sy=580 MPa. Assume end condition to be C=1; Determine 1. Slenderness ratio 2. Transition Slenderness ratio D-80mm 200mm 3. Short or long column? Why? 4. Is the column safe if the axial load P shown is 1 MN? 100mm Column Cross-section bha For a rectangular cross-section / = 12 For a circular cross-section, I =D
4. A column is made by lacing together two structural-steel C200x17.1 channels, as shown. If the column is 7 m long, fixed at one end and pinned at the other irn both planes, calculate the maximum slenderness ratio. The lacing joining the two channels does not affect its moment of inertia, but does make the channels act as one member. IIO 5. Two structural-steel L 127x89x12.7 angles are fastened back to back, as shown to form a column 3 m...
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Mechanics of material
The column AB shown in the Figure below is made of A-36 steel, which is fixed at A and pinned at B. The column has a circular hollow section as shown in section a-a, which has an outer radius ro= 25mm and inner radius ri=20mm. (a) Determine the slenderness ratio of the column [5%] (b) Is the column safe? [12%) (c) What is the failure mode of the column [3%)...