Ελληνικά

Light Metal Structures

Course Description:

Introduction to cold-formed steel members and structures. Material properties. Corrosion - Hardening. Classification of steel sections. Plate buckling. Effective width of compression steel plates. Effective cross-sections with stiffeners. Moments and warping resistance. Axial, bending and shear distress of cold-formed members. Uniform and non-uniform torsion. Flexural-torsional distress and buckling. Diaphragms, longitudinal stiffeners. Design and calculation of connections. Secondary effects in connections. Beams and Corrugated metal sheets. Shear resistance of metal panels. Code requirements for thin-walled steel members.

  • Semester 8
  • Teaching hours 4
  • Instructors X. Lignos

Prerequisite Knowledge

Basic knowledge of mechanics and steel structures

Course Units

# Title Description Hours
1 Introduction Introduction to cold-formed steel members and structures. 2
2 Material properties Corrosion - Hardening 4
3 Plate buckling Effective width Plate buckling. Effective width of compression steel plates. C-sections and Z-sections with stiffeners according to EC3-Part 1.3 12
4 Metal sheets Corrugated metal sheets 6
5 Buckling Global and local buckling. Lateral buckling. 6
6 Connections Design and calculation of connections. Secondary effects in connections. 6
7 Beams Design in bending and shear according to EC3-Part 1.3 8
8 Torsion Open and closed cross-sections in torsion 4
9 Diaphragms In-plane shear panels

Learning Objectives

  1. to determine the effective cross-section and the corresponding strengths of cold-formed steel sections according to EC3-Part 1.3.
  2. to determine the carrying capacity of cold-formed section members under combined loading.
  3. to design structures with cold-formed section members and connections according to the provisions of EC3-Part 1.3.

Teaching Methods

Teaching methods Class lectures. Simple examples solved in class. Presentation of selected Case studies.
Teaching media Power-point presentations. Slides. Excel worksheets and calculation codes.
Laboratories Presentation of 2 laboratory tests on cold-formed steel members, panels and connections
Computer and software use EXCEL.
Problems - Applications 3 homeworks per semester
Assignments (projects, reports) Use of EXCEL worksheets.

Student Assessment

  • Final written exam: 70%
  • Assignments (projects, reports): 30%

Textbooks - Bibliography

  1. Vayas Ι, Dubina D., Steel structures made from thin-walled cold-formed members, Kleidarithmos, Αthens 2004.
  2. Michaltsos G., Light Metal Structures, Symeon Publ, Athens 2012.

Lecture Time - Place:

  • Tuesday, 10:45 – 12:30,
    Rooms:
    • Αμφ. Μετ. Κατασκ.
  • Thursday, 09:45 – 11:30,
    Rooms:
    • Ζ. Κτ. 1 Πολ., Αιθ. 13