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    Full-scale fire tests of post-tensioned timber beams (2012)

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    12643523_WCTE2012 SPELLMAN .pdf (1.079Mb)
    Type of Content
    Conference Contributions - Published
    UC Permalink
    http://hdl.handle.net/10092/8089
    
    Publisher
    University of Canterbury. Civil and Natural Resources Engineering
    Collections
    • Engineering: Conference Contributions [2338]
    Authors
    Spellman, P.
    Carradine, D.
    Abu, A.
    Moss, P.
    Buchanan, A.
    show all
    Abstract

    This paper describes a series of full-scale furnace tests on loaded post tensioned LVL beams. Each beam was designed to exhibit a specific failure mechanism when exposed to the standard ISO834 fire. In addition to the beams a number of steel anchorage protection schemes were also investigated. These included wrapping the ends in kaowool, using intumescent paint, covering the anchorage with fire rated plasterboard and covering the anchorage with timber (LVL). The results of the full-scale tests cover temperature distributions through the timber members during the tests, the temperatures reached within the cavity and those of the tendons suspended within the cavity, the relaxation of the tendons during the test, the failure mechanisms experienced, and a summary of the anchorage protection details and their effectiveness. Recommendations for the design of both post-tensioned timber beams and associated anchorages are also provided.

    Citation
    Spellman, P., Carradine, D., Abu, A., Moss, P., Buchanan, A. (2012) Full-scale fire tests of post-tensioned timber beams. Auckland, New Zealand: World Conference on Timber Engineering (WCTE), 16-19 Jul 2012. Strength and Serviceability: Extreme Events, 227-236.
    This citation is automatically generated and may be unreliable. Use as a guide only.
    Keywords
    Post Tensioned Timber Construction; Fire Performance; Furnace Test
    ANZSRC Fields of Research
    40 - Engineering::4005 - Civil engineering::400505 - Construction materials
    09 - Engineering::0905 - Civil Engineering::090599 - Civil Engineering not elsewhere classified
    40 - Engineering::4016 - Materials engineering::401610 - Timber, pulp and paper
    Rights
    https://hdl.handle.net/10092/17651

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    • Design of post-tensioned timber beams for fire resistance 

      Spellman, P.M.; Abu, A.K.; Carradine, D.M.; Moss, P.J.; Buchanan, A.H. (University of Canterbury. Civil and Natural Resources Engineering, 2012)
      This paper describes a series of three full-scale furnace tests on post-tensioned LVL box beams loaded with vertical loads, and presents a proposed fire design method for post-tensioned timber members. The design method ...
    • Finite Element Modelling of Post-Tensioned Timber Beams under Fire Conditions 

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      In order to implement innovative timber structures globally, performance-based design using numerical models are often required. A model was developed to simulate post-tensioned (PT) timber beams in FEM software ABAQUS ...
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