Structural Steel Design (6th Edition)
6th Edition
ISBN: 9780134589657
Author: Jack C. McCormac, Stephen F. Csernak
Publisher: PEARSON
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Chapter 8, Problem 8.7PFS
To determine
The values of S and Z and the shape factor about the horizontal x-x axes for the given section.
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Determine the values of S and Z and the shape factor about the horizontal x axes, unless otherwise directed. Use the web and flange dimensions given in the AISC Manual for making these calculations.
A W21 x 122
Find the centroid, ^y, and moment of inertia Ixx of the following sections.
1. A T-shaped built up steel beam is composed of 180 mm x 11 mm flange plate at top and a vertical web plate 240 mm x 18 mm. All plates used are A36 steel. Calculate the location of the horizontal plastic neutral axis measured from the top edge of the flange. Final answer should be mm with 2 decimal places.
2. A T-shaped built up steel beam is composed of 150 mm x 11 mm flange plate at top and a vertical web plate 290 mm x 17 mm. All plates used are A36 steel. Calculate the plastic section modulus about the horizontal x-axis in x103 mm3 with 2 decimal places.
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Structural Steel Design (6th Edition)
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- 40 A T-shaped built up steel beam is composed of 150 mm x 10 mm flange plate at top and a vertical web plate 210 mm x 15 mm. All plates used are A36 steel. Calculate the location of the horizontal plastic neutral axis measured from the top edge of the flange. Final answer should be mm with 2 decimal places.arrow_forwardDetermine the length of the rod and the position vector directed from A to B. What is the angle θ?arrow_forwardDifferentiate between the following by drawing neat sketches, also accompany the figures with the formula for conversion of one bearing to the other,i. True bearing and Magnetic Bearingii. Magnetic declination and dip of the needleiii. Fore bearing and back bearing If any data is missing you can assume it yourself.arrow_forward
- A cross-section through a container completely filled with water is shown in the figure below. A semi-circular panel BC is installed in one of the side walls wall as shown in the section and as a projection. The lengths of sections AB and BC are both 2 m, and the angle θ is 35°. Do the following for the semi-circular panel BC:arrow_forwardQuestion 40 A T-shaped built up steel beam is composed of 170 mm x 10 mm flange plate at top and a vertical web plate 260 mm x 17 mm. All plates used are A36 steel. Calculate the location of the horizontal plastic neutral axis measured from the top edge of the flange. Final answer should be mm with 2 decimal places.arrow_forwardDraw the figure clearly and in detail given the data provided below (NOTE: the first one is bearing and second is about azimuth from north).arrow_forward
- Determine the midpoint displacement and the angle of rotation at point A for the given beam. Need only a handwritten solution only (not a typed one).arrow_forwardFor a W8x67steel shape: a. What do the following indicate about the cross section? W: 8: 67: b. Using the given sketch of the cross section. Label the following dimensions and give their actual values: Flange width = Flange thickness = Web thickness = Overall Depth = T (Open distance between fillets) = c. List the AISC tabulated values for: Ix-x= Iy-y=arrow_forwardExercise 2. Determine the net aread, for the 150 x 75 x 8 angle with M20 bolt holes as shown in Fig. 2 40 60 60 60 mm 74 L 150 x 75 x 8 o 65 mm o K-40arrow_forward
- AC and BC have the same dimensions (a square cross section of 25 mm on each side)arrow_forwardCompute the dimensions of the rectangle shown in Fig. (b) that has the same k¯x and k¯y as the W8 × 67 section in Fig. (a). (See Prob. 9.13 for properties of W8 × 67.) Answer: b = 7.35 in., h = 12.87 inarrow_forwardDifferentiate between the following by drawing neat sketches, also accompany the figures with the formula for conversion of one bearing to the other, True bearing and Magnetic Bearing Magnetic declination and dip of needle Fore bearing and back bearingarrow_forward
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