Fire Analysis of Steel Structures according to Eurocodes

Standard Fire Resistance calculation to EN 1991-1-2, EN 1993-1-2. Includes worked examples.
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  • Lectures 29
  • Contents Video: 3 hours
  • Skill Level All Levels
  • Languages English
  • Includes Lifetime access
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About This Course

Published 12/2013 English

Course Description

Fire resistance of building structure« means the ability of the structure exposed to fire the appropriate time maintaining its strength. To recognize the precise value of the duration in which the construction retains its capacity, is crucial for fire-resistant design. Fire analysis calculation takes into account the actual technical state of construction material exposed to thermal impact or fire load and provide you with the critical temperature, e.g. the temperature to which the structure maintains its capacity or advice you of the optimal fire protection of the structural elements.

Why must we learn Fire Analysis?

Because we do not want that we have fire protection, which is oversized and as well uneconomical. On the other hand we do not want that the construction is in fire risk and does not allow a safe evacuation, as well as fire extinguishing and rescue.

Course Structure

In this course, I will present a thorough overview of structural fire analysis according to nominal temperature-time curves according to Eurocodes.

We will learn the following topics:
- What is thermal action?
- How to calculate temperature of protected and unprotected steel sections
- How to create load combinations for the fire limit states
- How to calculate fire resistance of structural members and their critical temperature
- Fire protection systems for steel structures

All chapters will also provide you with worked examples which will cover theoretical part presented. At the end you will be presented a calculation of critical temperature and required fire protection for typical structural elements of real structure.

I will provide you with an easy-to-follow material explanation, each section is clearly demonstrated in the presentation and covered with worked examples.

What are the requirements?

  • Must have the following standards EN 1990, EN 1991-1-2, EN 1993-1-1, EN 1993-1-2
  • Must have knowledge of how to design steel structures to EN 1993-1-1

What am I going to get from this course?

  • By the end of the course you will be able to calculate standard fire resistance of steel structural elements

What is the target audience?

  • Course is intended for students, structural engineers, professionals who want to learn how to calculate standard fire resistance of steel structural elements according to Eurocodes

What you get with this course?

Not for you? No problem.
30 day money back guarantee.

Forever yours.
Lifetime access.

Learn on the go.
Desktop, iOS and Android.

Get rewarded.
Certificate of completion.

Curriculum

Section 1: Introduction
Fire Analysis Course Introduction
Preview
07:08
Section 2: Impact of Fire on Structure
07:44

In this lesson we will learn what is thermal action and how we consider the fire action on the structure. It will be clearly described what kind of nominal temperature-time curves are covered in Eurocodes and how they can be applied to structure.

01:36

In this lesson we will learn how is the heat from fire compartment transferred to the structural element. We will learn three important topics here:

  • Section factor
  • Temperature of unprotected steel sections
  • Temperature of protected steel sections
04:55

In this lesson we will learn what is the section factor and why it is so important to know it for the evaluation of the speed of heating up. We will see how it differs in unprotected and protected cross sections.

13:09

In this lesson we will learn how to calculate the increase in temperature in unprotected steel element according to Eurocodes. Numerical procedure for this calculation will be clearly presented, including detailed description of all parameters and worked example.

09:33

In this lesson we will learn how to calculate the increase in temperature in protected steel element according to Eurocodes. Numerical procedure for this calculation will be clearly presented, including detailed description of all parameters and their limitations. Additionally worked example will be calculated.

Section 3: Structural Fire Design Fundamentals
05:34

In this lesson we will learn how to define fire load combination and which safety factors can be used for particular load case. We will learn general rule and simplified rule for calculating effects of actions for fire load combination. Additionally worked example will be presented.

03:38

In this lesson we will learn fire analysis using strength and temperature domain. Reduction factors for yield strength and Young's modulus at elevated temperature will be described in detail.

07:32

In this lesson we will repeat cross section classification from designing steel structures at room temperature and describe what is different in cross section classification at elevated temperature. Additionally worked examples will be presented for all four classes of cross sections.

Section 4: Structural Fire Design in Strength Domain
03:38

In this lesson we will learn the calculation of the design resistance of the tension member at elevated temperature. Additionally worked example will be calculated.

09:41

In this lesson we will learn the calculation of the design resistance of the compression member with classes 1,2,3 at elevated temperature. Additionally worked example will be calculated.

03:22

In this lesson we will learn the calculation of the design shear resistance of a member with classes 1,2,3 at elevated temperature. Additionally worked example will be calculated.

04:53

In this lesson we will learn the calculation of the design moment resistance of a member with classes 1,2,3 at elevated temperature. Non-uniform temperature distribution will be explained too. Additionally worked example will be calculated.

07:48

In this lesson we will learn the calculation of the reduced design moment resistance of a member with classes 1,2,3 at elevated temperature for combined bending and shear acting together . Non-uniform temperature distribution will be explained too. Additionally worked example will be calculated.

03:03

In this lesson we will learn the calculation of the reduced design moment resistance of a member with classes 1,2,3 at elevated temperature for combined bending and axial force acting together. Additionally worked example will be calculated.

06:34

In this lesson we will learn the calculation of the critical moment for lateral torsional for uniform symetrical cross sections. Additionally worked example will be calculated.

10:42

In this lesson we will learn the calculation of the design lateral torsional buckling moment resistance of a member with classes 1,2,3 at elevated temperature. Additionally worked example will be calculated.

12:38

In this lesson we will learn the calculation of the design resistance for members with classes 1,2,3 subjected to combined bending and axial compression at elevated temperature. Additionally worked example will be calculated.

08:45

In this lesson we will learn the calculation of the design resistance for members with class 4 at elevated temperature. Additionally worked example will be calculated.

Section 5: Structural Fire Design in Temperature Domain
05:41

In this lesson we will learn the calculation of critical temperature for tension and bending elements. Additionally worked example will be calculated.

07:20

In this lesson we will learn the calculation of critical temperature when iterative procedure is required. Additionally worked example will be calculated.

Section 6: Fire Protection of Steel Structures
02:41

In this lesson we will learn when fire protection is needed and which systems can be used for fire protection. We will learn also how to consider moisture in insulation.

02:31

In this lesson we will learn how to calculate fire protection and which parameters should be taken very carefully to get accurate results

Section 7: Worked Examples & Conclusions
03:07

In this lesson we will present the structure definition, actions on structure and description of typical structural elements which will be checked in fire analysis.

12:19

In this lesson we will calculate critical temperature and actual temperature for main beams. We will calculate also fire protection as critical temperature is reached very early and just unprotected steel section does not provide required fire resistance.

09:00

In this lesson we will calculate critical temperature and actual temperature for secondary beams. We will calculate also fire protection as critical temperature is reached very early and just unprotected steel section does not provide required fire resistance.

10:45

In this lesson we will calculate critical temperature and actual temperature for columns. As actual temperature is less than critical temperature after 30 minutes, no fire protection is needed.

03:14

In this lesson we will analyse the results of calculation. We will compare the results of fire analysis with default value of critical temperature which is usually used in many countries without knowing the exact value of the critical temperature for typical structural elements. Finally we will learn why it is so important to know the exact value of the critical temperature for optimal and safe fire design.

Section 8: In Closing
Thanks for joining the course!
00:52

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Instructor Biography

Primoz Kvaternik, M.Eng., Structural Engineer & Technology Consultant

As a Structural Engineer with more than 15 years’ experience in building industry I am currently teaching how to use Eurocodes as the most advanced building design codes on a world scale. I am teaching also how to use technology for solving daily engineering calculations, including software development as a support to structural engineering.

I have been working on project documentation for all types of building structures, reinforcement plans for RC structures, fabrication plans of steel structures, fire resistance calculation of building structures including consultation on the most appropriate fire protection. Based on years of experience and participation in post-earthquake reconstruction, I specialize in Earthquake Reconstruction and rehabilitation of buildings too.

I have all possible licenses for the design and revision of project documentation for building structures at Slovenian Chamber of Engineers. Kindly check my licence at the address Slovenian Chamber of Engineers.

I run a company for structural engineering in Slovenia / EU and I have also additional license for the revision of the project documentation for building structures. All my skills and qualifications, including years of experience in building industry can be seen at the following address www.grsoft.eu.

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