Formative Assessment
2.0
Short Answer Questions
1. Name a loading code, design code and a material quality code in the field of steel design.
Loading Code: AS1170 part 1-4 Design Codes: 4100, 4600 Material Quality: AS1111 AS3678/9
2. Fig.2 shows a tensile
4. Behaviour and Design
(AS 4100 Section 5)
of
Flexural
Members
(Beams)
4.1 General
The members subject to bending are referred to as beams or flexural members. They support
transverse loads through bending and shear actions. The behaviour of flexural mem
7. Behaviour and Design of Connections (AS 4100 Section 9)
7.1 Introduction 7.1.1 General In order to provide safety of structures, design of connections is equally important to that of members. The steel used in connections is often a small percentage of
HOT ROLLED AND STRUCTURAL STEEL PRODUCTS
FIFTH EDITION
HOT ROLLED AND STRUCTURAL STEEL PRODUCTS
CONTENTS Introduction Availability
Structural Steel Sections Merchant Bar Sections 1 3 1
Dimensions and Design Information
Welded Beams Welded Columns Universa
1.0 Executive Summary
The contents covered in this report is to outline the development of an efficient cold-formed
structural section, as well as the investigation of the use of open, unwelded, cold-formed thinwalled steel sections.
Strict limits were pl
a “a. 3 M, %
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concentrated load of 10 kN.
Question 1
A short column constructed of a UC section (250 UC 89.8) is subjected to a compressive load P = 150
kN that has its line of action at one of the outside corners of the cross section (Figure 1). Determine
(a) the
b fy
e =
ey
t 250 ,
1
fy =250MPa, t =3mm
2
3
90
b fy
=
3
t 250
90
b fy
=
e =
t 250 3
60
b fy
=
e =
t 250 3
e =
Element 1
Element 2
Element 3
250
= 30 < ey of 40
250
250
= 30 < ey of 40
250
250
= 20 > ey of 15
250
Plate Element 3 (Lip) will buckl
Tension Members
Q1
For 250UC72.9
250UC72.9, Grade 300, 2-250x16mm plates, Grade 250
M20 bolts, 22 mm dia holes.
d =254 mm, df =254mm, tf=14.2mm, tw=8.6mm, Ag = 9320mm2, fyf=300 MPa, fyw=320MPa,
fu =440 MPa
An1
Yielding of Section
fy= 300MPa
N t = Ag f y =
Section Moment Capacity: Example Problem No.1
What is the section moment capacity of 530UB92.4 Grade 300 beams about the major
principal axis (x)?
tw = 10.2 mm fyw = 320 MPa
tf = 15.6 mm fyf = 300 MPa
Section capacity (For the failure mode of local buckli
3. SHEAR STRESSES AND SHEAR CENTRE
3.1 Introduction
Shear stresses are associated with the problems of beams subject to lateral loads. Until now
only pure bending of beams (symmetric and unsymmetric sections) was considered. Now
consider the effect of lat
Compression Members
Behaviour and Design of
Compression Members
AS4100-Section 6
Compression Members
Often subject to combined compression
and bending actions
eccentricity of connections
transverse loads and
selfweight
If the member is predominantly
2. UNSYMMETRIC BENDING
2.1 Basis of Assumptions
x
y
=
x
y
=
Neutral
Axis
ME
= or E k
I
R
ME
= or E k
I
R
x = Ek y
M = EkI
z
Assuming z axis to be the neutral axis (NA):
x
dA = E k y dA = 0
(y,z)
y
E k y dA = 0
y dA = 0
Mz
My
Figure 2.1: Deriving Basic E