b. find the second moment of area of a cross section OC. find the centroid of a cross section O d. none of these options If the "I" value of beam cross section is 6,400,000 mm and the maximum distance from the neutral axis of the cross section to the top and bottom edges of the beam cross section is 129 mm, what is the section modulus of the beam? Note: Give your answer in mm³ Note: Do NOT include units in your answer. Answer: X A typical value for the stiffness of aluminium alloy is... Select one: a. 200 GPa b. 72 GPa

b. find the second moment of area of a cross section OC. find the centroid of a cross section O d. none of these options If the "I" value of beam cross section is 6,400,000 mm and the maximum distance from the neutral axis of the cross section to the top and bottom edges of the beam cross section is 129 mm, what is the section modulus of the beam? Note: Give your answer in mm³ Note: Do NOT include units in your answer. Answer: X A typical value for the stiffness of aluminium alloy is... Select one: a. 200 GPa b. 72 GPa

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter9: Moments And Products Of Inertia Of Areas

Section: Chapter Questions

Problem 9.13P: Figure (a) shows the cross section of a column that uses a structural shape known as W867...

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Figure (a) shows the cross section of a column that uses a structural shape known as W867 (wide-flange beam, nominally 8 in. deep, weighing 67 lb/ft). The American Institute of Steel Construction Structural Steel Handbook lists the following cross-sectional properties: A=19.7in.2,Ix=272in.4, and Iy=88.6in.4. Determine the dimensions of the rectangle in Fig. (b) that has the same Ix and Iy as a W867 section.
Figure (a) shows the cross-sectional dimensions for the structural steel section known as C1020 (channel with a nominal depth of 10 in., weighing 201b/ft). The American Institute of Steel Construction Structural Steel Handbook lists the following properties for the cross section: A=5.88in.2,Ix=78.9in.4, and Iy=2.81in.4. If two of these channels are welded together as shown in Fig. (b), find Ix and Iy for the resulting cross section.
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a) The second moment of area about the centroidal x-axis (IXXcentroid) for the solid homogeneous beam section shown below is 737,101.55 mm4. What is the second moment of area about the centroidal y-axis (IYYcentroid). Give your answer in mm4 to two significant figures. b) If the second moment of area (IXX) for the solid homogeneous beam section shown below is 917,387.73 mm4, determine the diameter d. Give your answer in millimetres (mm) to two decimal places.
(a) The Figure la show the cross-section of a beam. All dimension are in cm. 10 2 10 Figure la (i) Calculate the centroid of the cross-section measured from the bottom of the cross section. (ii) Calculate the moment of inertia, I, for this cross-section. (iii)A pure bending moment of magnitude 1.0 kN.m is applied to the cross- section, generating compression above the neutral axis, and tension below. Calculate the maximum values of the tensile and compressive stress. (iv)The bending moment is removed. The same beam cross-section is now subject to a vertical shear force of 2.5 kN acting in the downward. Calculate the maximum horizontal shear stress. Where does it occur?
QUESTION 4 There are 47 dowels - 10M, each measuring 910 mm, in a continuous concrete footing. What is the total rebar weight (kg)? (The mass of 1OM is 0.785 kg/m): QUESTION 5 The total length of a concrete beam (400mm X 600mm) is 10,427 mm. there are stirrups 10M@200mm on centre in this beam and the concrete cover is 25mm. How many stirrups does this concrete beam have?
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For the given fig find the correct representation of the longitudinal variation of the bending stress
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EXAMPLE: II. 2 ft Show the V-M diagram using Area Method of the following beam: R₂ 200 lb/ft 4 ft - Hinge 2 ft