The state of stress at a point in a member is shown on the element. Determine the absolute normal stresscomponent acting on the inclined plane AB in ksi.4 ksiA3 ksi192 ksiB A beam having a span L meters center to center of end supports, serves as underpinning for a columnlocated at 0.4L from center of the left support. The column carries a load of P to the top of the beam andrests on a steel base plate which measures 300 mm along the beam (Np = 300 mm). The beam consists oftwo l-beams which have 120 mm supports on steel base plates (N: = 120 mm) at its supports. Neglectweight of beam and column. For the beams, d = 600 mm, tw= 18 mm, t; = 25 mm. Use Fyw = 250 MPa. Whatis the maximum safe value of ultimate axial load Pu if web crippling governs? Note that 0.4L > 300 mm.Hint: Use cl. 510.10.3.PuPu-Np-Nr-0.4L-0.6L-L

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The state of stress at a point in a member is shown on the element. Determine the absolute normal stres component acting on the inclined plane AB in ksi. 4 ksi А 3 ksi 19 2 ksi B

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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Question

The state of stress at a point in a member is shown on the element. Determine the absolute normal stress
component acting on the inclined plane AB in ksi.
4 ksi
A
3 ksi
19
2 ksi
B

A beam having a span L meters center to center of end supports, serves as underpinning for a column
located at 0.4L from center of the left support. The column carries a load of P to the top of the beam and
rests on a steel base plate which measures 300 mm along the beam (Np = 300 mm). The beam consists of
two l-beams which have 120 mm supports on steel base plates (N: = 120 mm) at its supports. Neglect
weight of beam and column. For the beams, d = 600 mm, tw= 18 mm, t; = 25 mm. Use Fyw = 250 MPa. What
is the maximum safe value of ultimate axial load Pu if web crippling governs? Note that 0.4L > 300 mm.
Hint: Use cl. 510.10.3.
Pu
Pu
-Np-
Nr
-0.4L
-0.6L
-L

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