Different Methods for Design of Steel Structure in Canada

Steel Structures Design in Canada is the science of creating the basic framework of any structure like buildings, skyscrapers, bridges, etc. This framework has to be strong enough so it can withstand all kinds of external forces like storms and earthquakes. The structural design is the skeleton of a structure so it should be strong to sustain the roof load, floor loads and the imposition of other building materials. The structural steel fabricators use some methods for designing structures. Here’s a list of commonly used methods:

Simple Design

Simple design is still commonly used and is the most traditional approach. It is assumed that no moment is transferred from one connected member to other members except for the nominal moments that arise as a result of eccentricity at joints. The steel fabrication companies in Canada need to recognize the assumptions regarding joint response and also make sure that the detailing of the connections is in such way that no moments develop which can adversely affect the performance of the structure. Many years of experience have demonstrated the type of details which satisfy this criterion. The designer need to refer the standard connections on joints in simple construction.

Continuous Design

It is assumed that members are rigid in this design and the moment is transferred between the members. Continuous design is way more complex compared to simple design. In this, various software is used to analyze the frame. Realistic combinations of pattern loading should be considered while designing continuous frames.

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The connection between the members should have different characteristics depending on whether the design method for the frame is plastic or elastic. Frames can resist lateral loads in this design without depending on the additional bracing system for stability. The main advantages of this method are:

• Connections work better in load reversal situations or earthquakes
• Beams can be less deep compared to beams in simple design

Semi-Continuous Design

Semi-continuous design is more complex than simple or continuous design as the real joint response is represented more realistically. Analytical routines to study the behavior of close connections requires sophisticated computer software. However, two simplified procedures exist for both braced and unbraced frames.

• The wind moment method for unbraced frames
• The semi-continuous design method for braced frames

Plastic Design

This method is relatively newer compared to other designs, but this design is quite difficult to implement. One major drawback of this design is its structural usefulness of the material is limited up to the ultimate load. So, it is important to determine the strength of the joint and the ultimate load capacity. When it comes to calculating sway deflections, sway stability and beam deflection, the stiffness of the joints is crucial. However, the plastic design is more economical than simple and continuous design.

You need to adept structural steel fabrications with these methods to work on huge construction projects. Pavilion provides a full range of services from steel fabrication, custom engineering and also permit assistance, we can do it all for you. We have the resources to design your building to your unique requirements.