4.9-7 Two plates 16 × 10 are welded to a W10 X 49 to form a built-up shape, asshown in Figure P4.9-7. Assume that the components are connected so thatthe cross section is fully effective. F, = 50 ksi, and K L = K₂L = 25 ft.FIGURE P4.9-7Problems 181a. Compute the nominal axial compressive strength based on flexural buck-ling (do not consider torsional bucking).b. What is the percentage increase in strength from the unreinforcedW10 X 49?

Sectional properties: W10×49 Area = 14.4 in2Ixx=272 in4Iyy=93.4 in4bf = 10 in fy=50 ksiKL=25 ft

Two plates 16 × 10 are welded to a W10 X 49 to form a built-up shape, as shown in Figure P4.9-7. Assume that the components are connected so that the cross section is fully effective. F, = 50 ksi, and K L = K₂L = 25 ft.

Two plates 16 × 10 are welded to a W10 X 49 to form a built-up shape, as shown in Figure P4.9-7. Assume that the components are connected so that the cross section is fully effective. F, = 50 ksi, and K L = K₂L = 25 ft.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Loads and Reactive Forces

Loads are the external influences that a beam experiences under its working conditions. For instance, a beam may be subjected to shear loads, twisting loads, bending moment, and axial loads during its working conditions. Engineers primarily deal with beams and trusses in the civil engineering domain. Due to the influence of loads, it is very crucial to determine the induced stresses and deformation values. These values give an insight into the critical area of the beam that needs to be worked upon to make it fail-safe.

Question

4.9-7 Two plates 16 × 10 are welded to a W10 X 49 to form a built-up shape, as
shown in Figure P4.9-7. Assume that the components are connected so that
the cross section is fully effective. F, = 50 ksi, and K L = K₂L = 25 ft.
FIGURE P4.9-7
Problems 181
a. Compute the nominal axial compressive strength based on flexural buck-
ling (do not consider torsional bucking).
b. What is the percentage increase in strength from the unreinforced
W10 X 49?

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