A vertical force P of magnitude 15 kN is applied at point C located on the axis of symmetry of the cross-section of a short column. Knowing C = 80 mm, d, e, f and g are 70, 30, 40 and 70 mm, respectively. P y d B B g ежеж a) Determine (a) the stress at point A. Use negative sign to indicates the compressive stress. A = MPa b) Determine the stress at point B. Use negative – sign to indicates the compressive stress. B= __MPa c) Determine the location of the neutral axis where the stress is equal to zero from point A (in mm)

A vertical force P of magnitude 15 kN is applied at point C located on the axis of symmetry of the cross-section of a short column. Knowing C = 80 mm, d, e, f and g are 70, 30, 40 and 70 mm, respectively. P y d B B g ежеж a) Determine (a) the stress at point A. Use negative sign to indicates the compressive stress. A = MPa b) Determine the stress at point B. Use negative – sign to indicates the compressive stress. B= __MPa c) Determine the location of the neutral axis where the stress is equal to zero from point A (in mm)

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

Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.

Question

A vertical force P of magnitude 15 kN is applied at point C located on the axis of symmetry of the cross-section of a short
column. Knowing C = 80 mm, d, e, f and g are 70, 30, 40 and 70 mm, respectively.
P
y
d
B
B
g
ежеж
a) Determine (a) the stress at point A. Use
negative sign to indicates the compressive
stress.
A =
MPa
b) Determine the stress at point B. Use negative
– sign to indicates the compressive stress.
B= __MPa
c) Determine the location of the neutral axis
where the stress is equal to zero from point A (in
mm)

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