Course aims:

The development of skills required to design steel structures.
The development of skills required to comply with the safety of steel structures.
The development of skills required to comply with the durability requirements of steel structures.

Course Entry Requirements:

Mechanics, Building Materials, Strength of Materials I, Strength of Materials II, Statics and Buildings Stability

Course contents:

Course content: 1. Introduction. The manufacture of steel and steel products. The chemical structure of carbon based steel and of alloy based steel. 2. The influence of alloys on the mechanical properties of steel. Thermal treatments. 3. The structural steel used for buildings. 4. The behavior of steel elements at corrosion. 5. The design of steel structural elements. 6. Connections between steel structural elements. 7. The design of riveted connections. 8. The design of bolted connections with regular bolts. 9. The design of bolted connections with high strength bolts. 10. The design of welded connections. Head to head welds. Corner welds. 11. Welding methods. Faulty weld seams. Quality control. 12. Bars under centric traction. Bars under centric compression. 13. The buckling of steel elements. Types of buckling. Buckling curves. Laboratory content: 1. Steel classes. Hot-rolled profiles. How to choose the steel class. 2. Bolted connections with regular bolts: constructive rules, the design of the connection. 3. Assignment no. 1: The design of a hinged connection between a girder and a secondary beam. 4. Assignment no. 2: The design of a truss connection with gusset plate. 5. Assignment no. 3: The design of a rigid connection between beam and column. 6. Welded connections: constructive rules, the design of the connection. 7. Assignment no. 4: The design of a welded connection with corner seam between a „L” profile and a gusset plate

Teaching methods:

Presentation, discussions, case studies, practical applications

Learning outcomes:

- Knowledge of the physical and mechanical properties of steel structures. - Acknowledging different types of structural elements belonging to steel constructions. - Knowledge of the ultimate states of steel structures. - Knowledge of the design rules of Eurocode 3. - Design of steel structural elements under different loads. - Knowledge of design methods of steel structural elements. - Knowledge of constructive rules for steel structural elements.

Learning outcomes verification and assessment criteria:

Theoretical exam (50% of the final grade): Oral examination. Examination during the semester (50% of the final grade): Assignments during the semester.

Recommended reading:

Ioan Petran, Roland Mihai Șenilă, Design of pitched roof steel portal frame structure, Mediamira, Cluj-Napoca, 2017, 200.
EN 1993-1-1, Eurocode 3: „Design of steel structures”. Part 1-1: „General rules and rules for buildings”. 2006, 108.
EN 1993-1-8, Eurocode 3: „Design of steel structures”. Part 1-8: „Design of joints”. 2006, 138.
Arcelor Group, Arcelor profiles. Beams, channels and merchant bars 2015, 100.
EN 1990, Eurocode 0: „Basis of structural design”. 2004, 76.
EN 1991-1-1, Eurocode 1: „Action on structures”. Part 1-1: „General actions – Densities, self-weight, imposed loads for buildings”. 2004, 38.
EN 1991-1-3, Eurocode 1: „Action on structures”. Part 1-3: „General actions – Snow loads”. 2005, 52.
EN 1991-1-4, Eurocode 1: „Action on structures”. Part 1-4: „General actions – Wind actions”. 2006, 138.
EN 1998-1, Eurocode 8: „Design of structures for earthquake resistance”. Part 1: „General rules, seismic actions and rules for buildings”. 2004, 231.