. The aluminum column is fixed at its bottom and is braced at its top by cables so as to prevent movement at the top along the x axis, Fig. If it is assumed to be fixed at its base, determine the largest allowable load P that can be applied. Use a factor of safety for buckling of F.S. = 3.0. Take E= 70 GPa, Fy = 215 Mpa, A = 7.5 x 10 ^-3 m², Ix = 61.3 x 10^-6 m4 and ly = 23.2 x 10^-6 m4. %3D %D 5 m

. The aluminum column is fixed at its bottom and is braced at its top by cables so as to prevent movement at the top along the x axis, Fig. If it is assumed to be fixed at its base, determine the largest allowable load P that can be applied. Use a factor of safety for buckling of F.S. = 3.0. Take E= 70 GPa, Fy = 215 Mpa, A = 7.5 x 10 ^-3 m², Ix = 61.3 x 10^-6 m4 and ly = 23.2 x 10^-6 m4. %3D %D 5 m

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.9.8P: Determine the allowable axial load Pallowfor a steel pipe column with pinned ends having an outside...

See similar textbooks

Similar questions

A column with the cross section shown has a 13.5-ft effective length. Using a factor of safety equal to 2.8, determine the allowable centric load that can be applied to the column. Use E= 29 x106 psi.
Determine the maximum allowable load P that can be applied to member BC without causing member AB to buckle. Assume that AB is made of steel and is pinned at its ends for x–x axis buckling and fixed at its ends for y–y axisbuckling. Use a factor of safety with respect to buckling of F.S. = 3. Est = 200 GPa, sY = 360 MPa.
A steel pipe is fixed supported at its ends. If it is 5 m long and has an outer diameter of 50 mm and a thickness of 10 mm, determine the maximum axial load P that it can carry without buckling. Est = 200 GPa, sY = 250 MPa.
Determine if the following column is long or short, and then determine the critical load on a steel column having a rectangular cross-section, 12mm by 18mm and length of 250 mm. it is fixed on both ends and made from a steel that has the following properties: E=209 Gpa and Sy=290 Mpa.
Assume that the wood column is pinned top and bottom for movement about the x-y axis, and ixed at the bottom and free at the top for movement about the y-y axis. Determine the maximum eccentric load P that canbe applied without causing the column to buckle or yield. Ew = 1.8(103) ksi, sY = 8 ksi.
Determine the maximum load P the frame can support without buckling member AB. Assume that AB is made of steel and is pinned at its ends for y–y axis buckling and fixed at its ends for x–x axis buckling. Est = 200 GPa, sY = 360 MPa.
An aluminum strut 2.50m long has a rectangular section 60mm by 30mm. A bolt through each end secures the strut so that it acts as a hinged column about an axis perpendicular to the 60 mm dimension and as a fixed ended column about an axis perpendicular to the 30mm dimension. Determine the safe central load using a factor of safety of 2.5 and E = 70 Gpa.
Rigid bar ABC is supported by pin-connected bar (1). Bar (1) is 2.0-in. wide, 1.00-in. thick, and made of aluminum that has anelastic modulus of E = 12,000 ksi. Determine the maximum magnitude of load P that can be applied to the rigid bar withoutcausing member (1) to buckle
A spreader bar is used in the assembly shown in the figure attached. It is made of a circular steel ros of diameter 32mm. Assuming that the cables and their connections are inextensible, determine largest load W that can be applied so that the spreader bar does not buckle. Both end of the spreader bar may be assumed to be pin connected. The youngs modulus of the spreader bar is, E = 200 x 10^3 N/mm^2.
2. A steel I section column is 3.5m long with one end hinged and theother fixed.(a) Determine Euler’s critical load for the column. (b) If the section is strengthened by a cover plate (300mm x 8mm) ateach flange of the I Section, determine the new Euler’s bucklingload. For (a), Area = 7485mm2, Ixx = 1.2545x108mm4, Iyy = 2.1936x107mm4,E= 2x105 N/mm2
A 20-ft-long column is made of aluminum alloy 2014-T6. If it is pinned at its top and bottom, and a compressive load P is applied at point A, determine the maximum allowable magnitude of P using the equations of Sec. 13.6 and the interaction formula with (sb)allow = 20 ksi.
The stress–strain diagram for a material can be approximated by the two line segments shown. If a bar having a diameter of 80 mm and a length of 1.5 m is made from this material, determine the critical load provided one end is pinned and the other is fixed. Assume that the load acts through the axis of the bar. Use Engesser’s equation.