Eurocode 4: Design of composite steel and concrete structures - Part 1-2: General rules - Structural fire design
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(1) This Part 1-2 of EN 1994 deals with the design of composite steel and concrete structures for the accidental situation of fire exposure and is intended to be used in conjunction with EN 1994-1-1 and EN 1991-1-2. This Part 1-2 only identifies differences from, or supplements to, normal temperature design. (2) This Part 1-2 of EN 1994 deals only with passive methods of fire protection. Active methods are not covered. (3) This Part 1-2 of EN 1994 applies to composite steel and concrete structures that are required to fulfil certain functions when exposed to fire, in terms of: - avoiding premature collapse of the structure (load bearing function); - limiting fire spread (flame, hot gases, excessive heat) beyond designated areas (separating function). (4) This Part 1-2 of EN 1994 gives principles and application rules (see EN 1991-1-2) for designing structures for specified requirements in respect of the aforementioned functions and the levels of performance. (5) This Part 1-2 of EN 1994 applies to structures, or parts of structures, that are within the scope of EN 1994-1-1 and are designed accordingly. However, no rules are given for composite elements which include prestressed concrete parts. (6) For all composite cross-sections longitudinal shear connection between steel and concrete should be in accordance with EN 1994-1-1 or be verified by tests (see also 4.3.4.1.5 and Annex I).
Eurocode 4: Design of composite steel and concrete structures - Part 1-2: General rules - Structural fire design
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