Methods of Structural Design | Design of Steel Structures

Structural design is the science of studying the Mechanics of a structure. Designing the skeleton of a building determines the real strength of the structure.

If the structure is externally beautiful and internally weak, it results into dramatic structural failure.

Structural Framework in a building
Structural Framework in a building

In this article, we are going to discuss in detail about the “Various Methods of Structural Design”.

All parts of a structural steel framework of a structure shall be capable of sustaining the most adverse combination of dead loads, the prescribed super imposed roof and floor loads, wind loads, seismic forces where applicable, and any other forces or loads to which the building maybe reasonably subjected without exceeding the permissible stresses.

The following methods may be employed for existing steel framework:

  1. Simple design
  2. Semi-rigid design
  3. Fully rigid design
  4. Plastic design

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The Art and Science of Structural Design Engineering

The practice of Civil Engineering is extremely diverse, involving technical, legal, business & practical skills. It  consists of various specializations like Structural Engineering, Project Management, Geotechnical Engineering and Surveying. The ability to combine skills in all these areas will contribute significantly to the success of a civil engineer.

Akashi Kaiky? Bridge - World's Longest Suspension Bridge
Akashi Kaikyo Bridge, Japan - World's Longest Suspension Bridge

To provide an overview of factors which are relevant to the successful practice of structural engineering, we have to look at the role of a structural engineer, understanding the needs and objectives of a client, the difficulties and conditions faced on site and the constraints put down by the Architect. A structural designer is capable of calculating different loads and stresses acting on a structure and designing the structure to resist there forces. For tall buildings, towers, tunnels, roads, marine structures, bridges and even space stations, structural designers are called upon to provide their expertise to ensure the stability of the structures.

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