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The seminar focuses on connection design specifications as set forth in the CSA Structural Steel Design Standard, CAN/CSA-S16-09, & the Canadian Highway Bridge Design Code, CAN/CSA-S6-06.

Course Outline
After participating in this course, you will be able to:

• Achieve economy on your projects by the skills developed through participating on designing and detailing of connections under
   instructor guidance 
• Design bolted and welded connections as well as the combined bolted and welded connections for strength and fatigue
• Apply methods learnt from the course to achieve economy in design, fabrication and erection of steel structures


Connections form a very important part of any steel structure and integrity of the structure depends on them. Accurate details and specifications are required for fabrication to ensure trouble-free erection.  There is a potential for achieving economy in designing and specifying connections which is the focus of this workshop. Results of recent research on steel connection detailing and fabrication will be briefly introduced. The seminar will focus on connection design specifications as set forth in the CSA Structural Steel Design Standard, CAN/CSA-S16-09, and the Canadian Highway Bridge Design Code, CAN/CSA-S6-06. The seminar will include update of changes in S16-09 as compared to S16-01. Seminar notes will include numerous design examples prepared by the instructor for teaching purposes.


To provide participants with the methodology for designing, detailing and specifying steel connections.

Who Should Attend

Structural designers, consulting engineers, detailers, specification writers, civil engineers in large industries, technicians and technologists, fabricators and erectors of steel structures.

Bring With You

Your own Handbook of Steel Construction-Latest Edition (2010) and the book: Hollow Structural Section: Connections and Trusses- A Design Guide, Latest edition by J.A. Packer and J.E. Henderson.  You can obtain both books from the Canadian Institute of Steel Construction.

Seminar Outline

Day I

Welcome, Introduction, Workshop Preview, Learning Outcomes and the Assessment Method

Design Loads for Connections
• Loads on connections
• Design load specified in structural drawings
• NBCC-2005 Load combinations for ultimate limit state design
• Steel material properties
• Design examples

Types of Steel Member Connections
• Axial Tension connections: hanger connection, light bracing
• Bearing and compression connections: column splice, beam bearing plate, column base plate
• Simple framed beam-shear connections: double angle beam connections, end plate connections, single-angle beam connections,
   shear-tab beam connections, tee-type beam connections, seated beam shear connections, un-stiffened angle seat connections,
   stiffened seated beam connections
• Moment connections: flange welded, flange plate, moment end plate, moment splice, column stiffener, crane runway connections

Design of Tension Members and Applicability to Connection Design
• Failure modes
• Tension capacity of members and eye bars with bolted connection
• Shear lag effect
• Tension-shear block failure in members and plates
• Tension-shear block failure in coped beams
• Tension capacity of members with welded connection
• Design examples

Need for Web Stiffeners
• Failure due to web crippling and over-all web buckling
• Effects of concentrated loads or support reactions
• Determination of size of intermediate transverse stiffeners
• Determination of size of bearing stiffeners
• Stiffener requirements for beam-column connections
• Design examples

Bolt Materials and Types
• Bolt types, geometry and sizes
• Basic behavior
• Bolt strength

Bearing-Type Connections
• Failure modes
• Bolt bearing and shear resistance
• Bolt arrangement
• Bolts in direct tension
• Prying action
• Bolts in combined shear and tension
• Design examples

Slip-Critical Type Connections
• Bolt shear resistance
• Bolts in combined shear and tension
• Design examples

Day II

Specifications for Installation and Inspection of Bolts
• The calibrated wrench
• The turn-of-the-nut method
• The use of direct tension indicators
• The use of “twist off” or “tension-control” bolts
• Effect of low temperature in the actual bolt pretensioning: recent research

Eccentric-Bolted Connection in Shear
• Bracket-column connection
• Beam and girder splices
• Bolts in angle-to-beam connection
• Design examples

Eccentric-Bolted Connection in Combined Shear and Tension
• Bracket-column connection
• Design examples

Concentric Welded Connection
• Weld types
• Weld strength
• Weld detailing
• Lamellar tearing in welding
• Beam welded splice connection design examples
• Beam-column welded connection design examples
• Design example for corner beam-column welded connection carrying shear, thrust and moment
• Design example for interior beam-column welded connection carrying shear, thrust and moment
• Design examples for weld length and size for intermediate transverse stiffeners and bearing stiffeners

Eccentric-Welded Connection in Shear
• Bracket-column connection
• Beam and girder splices
• Bolts in angle-to-beam connection
• Design examples

Eccentric-Welded Connection in Combined Shear and Tension
• Bracket-column connection
• Design examples

Joints with Combined Bolts and Welds

Use of CISC Design Tables in Connection Design
• Class participation through instructor’s examples

Specialized Connections
• Truss-column connection
• Beam-column connection with bracing member
• Crane girder connection at building column
• Design of gusset plates: Whitmore criterion for yielding and buckling


Design for Fatigue
• Bolting design
• Welding design
• Design examples

Base Plate Design
• Column-to-concrete footing connection
• Anchor bolt design for strength
• Anchor bolt design for fatigue
• Connection between chimney, stack, bins and silos to supporting steel of concrete or steel base 
• Design examples

Connection Design for Earthquake

Hollow Structural Section Connections: Standard Chord-To-Web Welded Connection
• Connection types
• Failure modes
• Design equations
• Design examples

Hollow Structural Section Connections: Non-Standard Chord-To-Web Welded Connection
• Trusses with double chord members
• Trusses with cropped or flattened web members
• Trusses with web members framing onto chord members

Welded HSS to HSS Moment Connection

Bolted HSS Connections

Design Examples

CAN/CSA-S6-06 versus CAN/CSA-S16-01 for Structural Steel Connection

Questions and Answers and Feedback to Participants on Achievement of Learning Outcomes

There will be a one hour lunch break each day in addition to a refreshment and networking break during each morning and afternoon session.

Daily Schedule:
8:00               Registration and coffee (first day only)
8:30               Session begins
10:00-10:20 Coffee break
12:00-1:00    Lunch
2:30-2:50      Coffee break
4:30                Adjournment


Khaled Sennah, Ph.D., P.Eng., P.E., Full Professor of Structural Engineering with Ryerson University, Toronto, Ontario, Canada.  He has over 25 years of research, teaching and industrial experience in the area of structural engineering, with particular emphasis on bridges. He designed and shared in design of major multimillion-dollar projects in United States of America, Canada, Saudi Arabia and Egypt. At Ryerson University, he teaches Structural Steel Design, Structural Dynamics and Bridge Design & Construction courses. His core area of expertise includes design, evaluation, retrofit and rehabilitation of bridge infrastructure on which he published more than 100 publications. His scope of research includes Compressive resistance of solid rounds, web crippling and local buckling of cold-formed steel lapped channels, vibration of cold-formed steel floors, structural qualification of sandwich foam-timber panels in building construction, seismic qualification of mechanical anchors in concrete, prefabricated bridge systems and connection technologies, precast concrete barriers, FRP-reinforced bridge barriers, and rehabilitation of bridge girders using FRP technology.
Prerequisites & Certificates

Certificates offered

1.8 CEU / 18 PDH

Cancellation Policy
To withdraw from a course, you must send a request, in writing, with the official receipt to our office. Fifteen or more business days in advance: full refund less $50.00 administration charge. Five to fifteen business days in advance: non-refundable credit of equal value for any future EPIC seminar within one year. Credits are transferable within your organization. In case of an unexpected event occurring after this time, you may send someone else to take your place without any additional cost.
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The course was very well presented and the course instructor was absolutely amazing.
Reviewed by 2013
Our instructor, Stephen Lamming, was outstanding and a true expert in his field. He was able to complement the technical air monitoring information with practical real life examples which was highly beneficial. He is an excellent communicator and was highly interactive with the course attendees. This course was recommended to me because Stephen Lamming does an outstanding job. I was very impressed with this course and have subsequently recommended it to my colleagues.
Reviewed by 2012
Would have liked more interactive problem solving.
Reviewed by 2011

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