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In fire design for floors, the three criteria of stability, integrity and insulation are required for the specified fire resistance duration. Among these, stability is not easy to confirm. For solid prestressed concrete slabs of uniform thickness, Eurocode 2 provides tabulated data and specifies an axis distance to the centroid of strands to achieve particular fire resistance ratings, but it is not clear if this data can be used for a wide range of different prestressed slab profiles. In order to verify the current code-fire ratings for precast prestressed slabs, both simple and advanced calculation methods are investigated. This paper examines the use of calculation methods, accounting for the real behaviour of unprotected simply supported prestressed concrete slabs exposed to the standard ISO 834 fire. The calculated fire resistance of each prestressed concrete slab is compared with tabulated data in Eurocode part 1.2, with detailed discussion.
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참고문헌 (6)
참고문헌 신청
Bull, D. / 2009 / Seismic Performance of Hollow Core Floor Systems:Guidelines for Design Assessment and Retrofit / SESOC, NZEE and NZCS
MOLIT / Regulation on the Standards for Evacuation and Fireproof Construction of Building / Infrastructure and Transport Affairs in Korea
KCI / 2013 / Structural Concrete Code / Korea Concrete Institute
2004 / EC2, Eurocode 2: Design of Concrete Structure. EN 1992-1-2: General Rules –Structural Fire Design / European Committee for Standardization
Buchanan A.H. / 2001 / Structural Design for Fire Safety / John Wiley & Sons Ltd
MOLIT / Regulation on the Standards for Evacuation and Fireproof Construction of Building / Infrastructure and Transport Affairs in Korea
KCI / 2013 / Structural Concrete Code / Korea Concrete Institute
2004 / EC2, Eurocode 2: Design of Concrete Structure. EN 1992-1-2: General Rules –Structural Fire Design / European Committee for Standardization
Buchanan A.H. / 2001 / Structural Design for Fire Safety / John Wiley & Sons Ltd
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