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    A Simple Method to Predict Temperatures in Steel Joints with Partial Intumescent Coating Fire Protection

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    Publication date
    2010-01
    Author
    Dai, Xianghe
    Wang, Y.C.
    Bailey, C.G.
    Keyword
    Steel joints; Partial fire protection; Intumescent coating; Temperature prediction; Exposure factor; Fire resistance
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    Based on temperatures measured in steel joints with different extents of fire protection, this paper proposes a simple method to calculate temperatures in steel joints with partial intumescent coating fire protection. The method combines the simple temperature calculation methods in EN 1993-1-2 (Committee of European Normalisation CEN, Eurocode 3: design of steel structures—part 1-2: general rules—structural fire design, 2005) for unprotected and protected steel structures through the introduction of an exposure factor, which is the ratio of the unprotected surface area of the joint region to the total surface area of the joint area. Using the measured temperatures for fully protected steel joints, this paper first extracts the effective thermal conductivity of the intumescent coating used in the fire tests. Afterwards, this paper presents validation results based on fire test results on joints with partial fire protection. Finally, this paper presents methods to calculate the exposure factor for different types of partially fire protected steel joints.
    URI
    http://hdl.handle.net/10454/11609
    Version
    No full-text in the repository
    Citation
    Dai X, Wang YC and Bailey CG (2010) Simple Method to Predict Temperatures in Steel Joints with Partial Intumescent Coating Fire Protection. Fire Technology. 46(1): 19-35.
    Link to publisher’s version
    http://dx.doi.org/10.1007/s10694-009-0095-7
    Type
    Article
    Collections
    Engineering and Digital Technology Publications

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