Basics of Design of Steel StructuresLaajuus (3 ECTS)

Objective

The student is familiar with the manufacturing technology for steel structures and the most important material properties used in steel design as well as the most important government requirements for the steel construction design.

He or she is able to determine the cross-section classification for the sections and calculate section resistances against the axial force, shear force and bending moment and combined stresses.

The student understands the concept of lateral buckling and how to design a lateral buckling restrained beam structure. He or she understands the importance of buckling in design of compressed structural elements and can take into account its impact on the design.

He or she knows the design principles screwed and welded connections and is able to design a simple screw/welded connection and is familiar with the guiding principles of steel structures installation.

Content

1. Manufacturing of steel structures
2. Regulations
3. Cross-section classes, and the cross-sectional resistance
4. Design of the tension structure
5. Beam design for bending and how to prevent lateral buckling
6. Buckling in plane, buckling curves and column design
7. Cross-section design for combined actions
8. Screw connections
9. Welding Engineering and welding connection design
10. Installation

Qualifications

Mechanics of Structures, Hyperstatic Stuctures

Assessment criteria, satisfactory (1)

The student
- Is able to explain the fabrication technique of the structural steel and the importance of official regulations.
- Is able to define the cross-section of class for steel section based on full compression.
- Understands the meaning of the cross-section of resistance and is able to calculate cross-section resistance for tensile, compression, shear and moment.
- Is able to design a steel structure for tension, compression and bending loads.
- Understands the concept of lateral buckling and can explain how it can be prevented.
- Can explain the concept of buckling and he/she can design the steel member made of standardized section to resist buckling.
- Is able to calculate the shear and edge compression resistances for a screw connection and to design a simple screw connection.
- Is able to design simple fillet weld.
- Is able to explain the installation steps.

Assessment criteria, good (3)

The student
- Understands the requirements of manufacturing technology for the structural steel design and knows the design norms used in steel design.
- Is able to determine the steel profile cross-section class based on compressed and bent section.
- Understands the meaning of the cross-section of resistance and is able to calculate the cross-section of resistance for tension, compression, shear and moment and resistance to combined actions.
- Is able to design the structure for tension, compression and bending loads and is able to apply cross-section classification.
- Understands the concept of lateral buckling and calculate how it can be prevented.
- Understands the meaning of buckling curves and the concept of buckling and knows how to design the structure to resist buckling.
- Is able to calculate the shear, tensile and edge compression resistances and design a screwed connection.
- Is able to design fillet welds, using a simplified design method.
- Understands the installation requirements for a structural steel design.

Assessment criteria, excellent (5)

The student is able to
- Take into account the structural steel manufacturing technology requirements for the design and is able to apply the used design norms.
- Determine and apply the steel profile cross-section of the classification.
- Understand the significance of the cross-section resistance and is able to calculate the cross-section of tensile, compressive, shear, torsion and torque resistance and resistance to combined stresses.
- Design the structure for tension, compression, torque and bending loads and is able to apply cross-section classification.
- Prevent the lateral buckling and calculate the critical lateral buckling moment and apply it in lateral buckling design.
- Apply the buckling lengths and support types in buckling analysis and design of any structural member.
- Calculate the shear, tensile and edge compression resistances and their combined interaction for a screw connection and to analyze the joint toughness.
- Design fillet welds, using a simplified design method and to understand the significance of the weld stress components.
- Can consider and analyze the installation requirements for the structural steel design.