SCI P080: Fire resistant design of steel structures - A handbook to BS 5950: Part 8
SCI P080: Fire resistant design of steel structures - A handbook to BS 5950: Part 8
http://forum.civilea.com/Thread-sci-p080-fire-resistant
Author: R M LawSon, G M Newman | Size: 10 MB | Format: PDF | Publisher: SCI | Year: 1990 | pages: 140 | ISBN: 1870004485
This publication covers the means of achieving the required fire resistance of steel structures used in building. It follows BS 5950: Part 8 ‘Code of Practice for Fire Resistant Design’ (1990), and describes the background to the Code Clauses. The publication is presented as a Handbook and is intended to be read as a narrative. Cross-references to the Code Clauses are included adjacent to the text.
The main Sections in the Handbook deal with the performance of steel at elevated temperatures, and the means of determining threis e in temperature of steel sectionsi n the standard fire. The evaluatiofn fire resistancei s treated in two ways: by performance based on tests, or alternatively, by calculation methods. The basis of the test approach is presented in terms of ‘limiting temperatures’ that have been determined for beams supporting floors and columns, as functions of the loads applied to them in fire conditions. The calculation approach used for flexural members, such as beams or floors, is called the ‘moment capacity’ method. The method of determining the required thicknesosf fire protection is new to the UK and is largely based on that put forward in the ‘European Recommendations for Fire Safety of Steel Structures’. It permits the calculation of thickness of protection as a functioonf the thermal properties at elevated temperatures of the materials used.
The other parts of the Handbook deal with particular structural forms, such as: shelf angle floors, composite floors, portal frames, and concrete-filled hollow sections. The concept of ‘natural fires’is also reviewed, although this is not strictly included in BS 5950: Part 8. Finally, a number of worked examples is provided.
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