Report: Bending of an Open Channel Section

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  • Topic: Second moment of area, Beam, Mathematics
  • Pages : 8 (2020 words )
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  • Published : August 10, 2013
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 Bending
of
a
Channel
Section

Experiment Two: Stiffness Report from laboratory work performed on 12 May 2011 as a part of the unit of study CIVL2201 Structural Mechanics

Abstract

This report has been written to describe an experiment performed on a channel section examining the stiffness of the beam through two differing types of deformation – curvature and deflection. The aim of the experiment was to determine the value of the flexural rigidity (EI) in two different ways; using the curvature, k, and the mid-span deflection. The testing method used for the experiment is described. The experiment found that the EI values calculated were as follows: - EIcurv = 1.76E+10 Mpa.mm4 when calculated using the curvature, k. - EIdefl = 1.77E+10 Mpa.mm4 when calculated using the mid-span deflection.

Bending of a Channel Section

Table
of
Contents

Abstract
.................................................................................................................................
1
 Introduction
........................................................................................................................
3
 Test
Method
.........................................................................................................................
3
 Diagram
of
the
test
setup
........................................................................................................
3
 . Figure
1.
..................................................................................................................................................................
3
 Diagram
of
dial
gauge
setup
...................................................................................................
4
 Figure
2.
..................................................................................................................................................................
4
 Method
used
.................................................................................................................................
4
 Results
...................................................................................................................................
4
 Table
1.
....................................................................................................................................................................
4
 Bending
Moment
Diagram
......................................................................................................
5
 Figure
3.
..................................................................................................................................................................
5
 Calculating
the
Curvature,
k
..........................................................................................
5
 Calculating
g
..............................................................................................................................................
5
 Calculating
c
...............................................................................................................................................
5
 Converting
lbs
to
newtons
..................................................................................................................
6
 Table
2.
....................................................................................................................................................................
6
 Finding
the
mid­span
moment
..............................................................................................
6
 Table
3.
....................................................................................................................................................................
6
 Mid­span
moment
against
curvature
(k)
...........................................................................
6
...
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