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Design of Bolted and Welded Joints in Steel Structures using Eurocode 3

Event code: 77092

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. The course will focus on connection design specifications as per the SS EN 1993 (Eurocode 3): Part 1-8: Design of joints. Results of recent research on steel connections detailing and fabrication will also be introduced. The course will be taught with practical examples of connection designs which are reliable, buildable as well as economical.

This course aims to enable participants to:

• Design bolted and welded connections as well as the combined bolted and welded connections for strength and stiffness;

• Apply methods learned from the course to achieve economy in design, fabrication and erection of steel structures; and

• Avoid common mistakes with lessons learned from case studies.


• Overview of Eurocodes Characterisation and classification of joints

• General information and detailing for bolted connection Detailing requirements; minimum and maximum bolt spacing

• Design of Non-preloaded bolts Requirements for non-preloaded bolts; Shear resistance; Bearing resistance; Effect of steel packing; Effect of long joints; Bolts in tension; Bolts in shear and tension; Bolts in direct shear and torsion; Block shear tearing; examples.

• Design of Preloaded bolts Methods for tensioning friction-grip bolts; Slip resistant at ultimate; Slip resistant at serviceability; Torque on HSFG bolts

• Simple Connections Simple beam-to-column connections; Typical beam-to-beam connections; Column base connection resisting shear force; Column base connection resisting compression and shear

• Moment Connection Rigid beam-to-column connection; Column splice; Various details to achieve rigid and full strength joints

Code requirements for welded connections Details of fillet welds; Design of fillet welds; Simplified method; Directional method; Types of butt welds; Full strength and partial strength butt welds; Welding of hollow sections; Practical examples and case studies


Department of Civil and Environmental Engineering, National University of Singapore
Prof Richard Liew is a Professional Engineer in Civil Engineering field.  He is also a specialist PE in Protective and Security Engineering. He joined NUS in 1986 where he lectures, conducts research and provides short courses and consultancy services to the industry especially in the field of steel and composite structure. He is world-renowned as an expert of advanced analysis and the application of theory of stability and plasticity in structural and offshore engineering with emphasis on robustness and hazard assessments including the effects due to fire, blast and impact loads. He has authored and co-authored five books and published over 400 technical papers. He is a fellow of the academy of engineering Singapore (FSEng), member of the Institution of Structural Engineers (UK), and the Honorary Fellow of Hong Kong Institute of Steel Construction and Singapore Structural Steel Society. He has served in numerous international and local technical committees relating to material and building standards. He is a member of Singapore’s Technical Committee on Building Structures & Sub-Structures serving as a Convenor on the EC3 and EC4 in Singapore and chairing several workgroups for EC3 and EC 4.



Department of Civil and Environmental Engineering, National University of Singapore
Assoc Prof Pang Sze Dai joined NUS in 2006 where he lectures in courses related to structural steel, structural stability and dynamics and has been awarded with multiple teaching excellence awards by the university and the faculty over the years. He has provided regular short courses on structural steel design and seismic engineering. He provided consultancy services to the industry in the fields of structural stability, advanced connections, and materials design. He is a council member in the Singapore Structural Steel Society (SSSS) and is currently the Vice-President of the IES-IStructE Joint Committee. He is also currently serving in the SAC Structural Steelwork Inspection Technical Committee. He also served as the Chair for BCA-SSSS Workgroup on the Guidebook for Buildable Steel Connections, which is launched in 2019. He has been involved in research on advanced and sustainable building materials and technologies to drive construction productivity. In recent years, he has been involved in collaborative research with the industry in driving construction productivity, with a focus on innovating structural connection for ease of assembly.


• Structural Practicing Engineers
• Steel Structural Designers
• Consulting Engineers
• Resident Engineers
• Resident Technical Officers
• Specification Writers
• Steel Fabricators
• Contractors
• Academia

Certificate of Attendance (COA) will be awarded to participants who meet the attendance requirement.


11th Run: 18 Sep 2019
Duration: 1 day
Time: 9.00am to 5.30pm
Venue: BCA Academy
Fee (incl of GST): S$450.00
Refreshments will be provided.

In keeping with our green and sustainable practices, course notes will be available in e-format.

IES-ACES: 6 STU (Structural) 
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