pls answer, d-f only Situation#1.A W40 x 298 column is 9m long and is braced at the top and bottom against sidesway in both the xx and yy planes ofthe column cross section. Assume that the material is elastic and has a modulus of elasticity, E=200,00MPA.Use rx = 9.81in. and ry = 4.3in. Determine the governing slenderness ratio, for the following support conditions:a. Fixed at both ends about both axes.b. Pinned about both axes at the top; pinned about the major axis and fixed about the minor axis atthe base.c. Fixed at both ends about both axes and laterally supported perpendicular to the strong axis atmidheight.d. Pinned at both ends about both axes and laterally supported perpendicular to the weak axis at aheight 4m from the base.e. Pinned about both axes at the top; fixed about the major axis and pinned about the minor axis atthe base; and laterally supported parallel to the weak axis at a height 4.5m from the base.f. Free at the top at both axes and pinned about the major axis and fixed about the minor axis at thebase. (neglect the braces at the top)

The column of specification W40X298 of 9m long is braced about both the axes. Taking rx = 9.81 in…

Answered: A W40 x 298 column is 9m long and is…

Engineering

Civil Engineering

A W40 x 298 column is 9m long and is braced at the top

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

pls answer, d-f only

Situation#1.
A W40 x 298 column is 9m long and is braced at the top and bottom against sidesway in both the xx and yy planes of
the column cross section. Assume that the material is elastic and has a modulus of elasticity, E=200,00MPA.
Use rx = 9.81in. and ry = 4.3in. Determine the governing slenderness ratio, for the following support conditions:
a. Fixed at both ends about both axes.
b. Pinned about both axes at the top; pinned about the major axis and fixed about the minor axis at
the base.
c. Fixed at both ends about both axes and laterally supported perpendicular to the strong axis at
midheight.
d. Pinned at both ends about both axes and laterally supported perpendicular to the weak axis at a
height 4m from the base.
e. Pinned about both axes at the top; fixed about the major axis and pinned about the minor axis at
the base; and laterally supported parallel to the weak axis at a height 4.5m from the base.
f. Free at the top at both axes and pinned about the major axis and fixed about the minor axis at the
base. (neglect the braces at the top)

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