CVG3147 Structural Steel Design I
Assignment 6 Buckling of Columns
Starting with the differential equation of equilibrium for column buckling
EIy iv + Py ' = 0 , and its solution y ( x ) = A cos kx + B sin kx + Cx + D , in which
k = P / EI , it is require

CVG3147 Structural Steel Design I
Assignment 5 Shear Lag in Welded Connections
The cross-section of the shown inclined member is an L127x127x9.5 is at 45 degrees
with the horizontal. It is subject to a factored tensile force of 630 kN. The member is to
be

CVG3147-Midterm 2009-Solution-Page 1/2
Problem 1: (20 points)
A structural member is under the following axial tensile forces:
Dead loads:
mean value 130 kN, standard deviation 10 kN
Live load due to occupancy and use:
mean value 100 kN, standard deviatio

CVG3147-Midterm 2009-Page 1/6
University of Ottawa
Department of Civil Engineering
CVG 3147
Mid-Term Exam
Feb 2009
Open Book Exam
Allowed: Handbook, Text by Grondin and Kulak, Lecture Notes, One 8.5x11 sheet of equations
Calculators Allowed
Instructor: M.

Page 1/8
University of Ottawa
Department of Civil Engineering
CVG 3142
Mid-Term Exam
March 2006
Instructor: M. Mohareb
1
Page 2/8
PLEASE ANSWER EACH QUESTION ON THE QUESTION SHEET ON THE SPACES
ALLOCATED NO ANSWER BOOKLETS NOR ADDITIONAL PAPERS WILL BE
CO

Example question for Part I of the mid-term
For each of the following questions, there is one correct answer. Please circle only one
answer for each question (a, b, c, d, e, or f as applicable). No credit will be given to any
question with more than one m

Tension Member Design
Slenderness Requirement
Slenderness requirement for a
q
tension member (Clause 10.4.2.2)
Outline
Slenderness requirement
Member Resistance
l
300
rmin
Yielding
Fracture
l
rmin
Segments under tension
Segments under tension + sh

Tutorial 2-Bolted Tension Members-Solution
Problem 1
A 100 mm x 10 mm steel tension member (300W material) is connected to a row of bolts
along the member centerline to a gusset plate. Assume the path of minimum resistance as
the section perpendicular to

Flexural Members
Example
Description:
A flexural member (or beam)
carries the loads through
flexural action (or bending).
Load due
self weight,
snow, etc.
Axial forces in a beam are
either non-existent or negligible
Flexural Member
In general, flexure is

Tension Member Design
Slenderness Requirement
Slenderness requirement for a
q
tension member (Clause 10.4.2.2)
Outline
Slenderness requirement
Member Resistance
l
300
rmin
Yielding
Fracture
l
rmin
Segments under tension
Segments under tension + sh

Loads - Overview
Loads Overview
Load Types
Code:
Permanent
Dead Loads (D) Load due to self weight
Earth pressure (H): load due to lateral earth pressure
including groundwater
Pre-stress (P): effects caused by pre-stress
NBC 2005 legal requirement
Varia

Flexural Members
(Beams
Example
Description:
Carry the loads through flexural
action (bending moments)
Load due
self weight,
snow, etc.
In general, flexure is
accompanied by shearing forces
Flexural Member
Axial forces =0
CVG 3147 -Chapter 5
1
Flexural Me

Compression Members
Columns in Structures
Description:
p
A compression member is an axially
loaded member which tends to
contract under load
Examples:
Columns
in buildings
The bending (flexural) action in such
a member is negligible
Terminology
In stru

CVG3147-Midterm 2009-Solution-Page 1/2
Problem 1: (20 points)
A structural member is under the following axial tensile forces:
Dead loads:
mean value 130 kN, standard deviation 10 kN
Live load due to occupancy and use:
mean value 100 kN, standard deviatio

CVG3147-Midterm 2011-Solution-Page 1/3
Problem 1: (20 points)
A structural member is under the following axial tensile forces:
Dead loads:
mean value 130 kN, standard deviation 10 kN
Live load:
mean value 100 kN, standard deviation 20 kN
The resistance of

1
Tutorial 1
Part 1- Problems on Loads
Problem 1: Load Combinations for a Truss:
Find the internal forces in Members SA, SB and SC for the shown steel structure caused by the dead
loads and wind loads. Find the required nominal resistance the members acco

Tutorial 2
Tension Members
Problem 1:
A 100 mm x 10 mm steel tension member (300W material) is connected to a row of bolts along
the member centerline to a gusset plate. Assume the path of minimum resistance as the section
perpendicular to the member. For

1
Tutorial 1
Part 1-Problems on Loads
Problem 1: Load Combinations for a Truss:
Find the internal forces in Members SA, SB and SC for the shown steel structure caused by the dead
loads and wind loads. Find the required nominal resistance the members accor

Tutorial 3
Part 1:Buckling
Problem 1:
The following determinant was obtained when formulating the buckling load for a column simply
supported at both ends.
1
0
0 1 A 0
k 2
0
0 0 B 0
=
cos kl
sin kl
l 1 C 0
2
2
k cos kl k sin kl 0 0 D 0
It is

CVG3147 Structural Steel Design I
Tension Members
Tension Members
Outline
Slenderness requirement
Member Resistance
Yielding
R i Si
Fracture
Segments under tension
Segments under tension + shear
Segments under shear
(Bolted Connections)
(Bolted Con

CVG3147 Structural Steel Design I
Compression Members
Compression Members
Description:
A compression member is an axially loaded
member which tends to contract under load
The bending (flexural) action in such a
member is negligible
Columns in buildings

CVG3147 Structural Steel Design I
Loads
Loads
Loads - Overview
Ultimate Limit States (ULS) Strength Design
factored resistance effect of factored loads
R i Si
Clause 7.2.1
Resistance Factor
i Load Factor
Loads Combination
i
Si
Load Factors
Loads
2
Loads

CVG3147 Structural Steel Design I
Structural Steel
Properties
Structural Steel Properties
The following steel properties are almost universal (basically
independent of the type of steel)
Other Steel Properties are affected by
Chemical Composition
Coolin

CVG3147 Structural Steel Design I
Introduction to Limit States
Design
Introduction to Limit States Design
CVG3147 Text Books
2
Introduction to Limit States Design
CVG3147 Text Books
3
Introduction to Limit States Design
Additional Texts needed
for Structu

UNIVERSITY OF OTTAWA
Department of Civil Engineering
CVG3147 Structural Steel Design I
Assignment 1
(Solutions are due on Friday July 3, 2015)
The shown structural system is subjected to two types of loading, dead load (D) and wind load (W).
Wind load W c

Solution for Assignment 2 Tension Members
1.
Slenderness
l rmin 300
Yield Limit State
Tr Ag Fy
Fracture Limit State
Tr u AnFu
l 4,000mm
Fy 300MPa
Fu 450MPa
Since there are no holes for welded connections, An Ag
4,000
300 rmin 13.3mm
rmin
Tryield 0.9 Ag 3