Did you know that you could use Consteel to perform structural analysis at room and elevated temperatures as part of design process for fire resistance?
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Did you know that you could use Consteel to determine the critical temperature of a steel beam protected against fire with intumescent painting?
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Example model for calculate critical temperature in Consteel
Watch our user guide about How to use the critical temperature feature to learn more.gate
Critical temperature calculation in Consteel
The calculation of the critical temperature is available in Consteel since the release of version 14. As an introduction of this feature, we prepared a video that gives some theoretical background on the topic, and demonstrates its usage in Consteel. It is shown how to prepare the model, how to execute the analysis and design, and how to create documentation about the critical temperature results.
Check out our user guide to learn more!gate
The case study exposes a practical evaluation of fire resistance of an old structure of a Spanish industrial building composed of steel built-up members; the truss members are angles connected through packing plates and the columns are battened chords. A simple calculation model was used element by element. First, heat is transferred to individual steel elements by convection and radiation in thermal study. The contributions of these two modes of heat transfer were treated by a practical approach. In mechanical study, the second order analysis was used with global imperfections. Finally, the fire resistance was evaluated R15 after some proposals.
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In Hungary only since 2008 is allowed to use the structural fire engineering methods for fire design. The Eurocode provides methods and standards for these calculations. The practising engineers have no experience to apply these methods; therefore studies are made about them, like this, which is based on a bachelor thesis work. Our intention is also dual. First we study the fire design process of the frequently used steel structures and present it to the practising engineers. On the other hand we analyse the maximum fire resistance of these unprotected steel structures, and looking for different methods to fulfil the requirements of R30 fire resistance class.
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