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    Performance and degradation of sliding steel friction connections: Impact of velocity, corrosion coating and shim material (2017)

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    Characterisation of AFC connections - REVISED PRE-PRINT 1.0.pdf (2.589Mb)
    Type of Content
    Journal Article
    UC Permalink
    http://hdl.handle.net/10092/14600
    
    Publisher's DOI/URI
    https://doi.org/10.1016/j.engstruct.2017.02.070
    
    ISSN
    0141-0296
    1873-7323
    Collections
    • Engineering: Journal Articles [1527]
    Authors
    Rodgers GW
    Chase, Geoff cc
    Causse R
    Chanchi J
    MacRae GA
    show all
    Abstract

    It has become increasingly necessary to develop systems to decrease the impact of earthquakes by protecting people and mitigating resulting structural and economic damage. The Asymmetrical Friction Connection (AFC) or Sliding Hinge Joint (SHJ) has been intensively tested. It efficiently dissipates energy with almost no damage. However, its nonlinear mechanics have not fully been characterised. In this study, the AFC mechanism is fully modelled and parameterised using non-linear modelling. Menegotto-Pinto models of device behavior, including added velocity dependence, are validated against a series of experimental tests. These SHJs are modelled for several shim (friction sliding surface) materials, as well as with and without corrosion resistant coatings. The non-linear models developed accurately capture the experimentally observed nonlinear mechanics. The impact of shim material and corrosion coating on resistive force and velocity dependence are quantified. In particular, corrosion coatings create negative velocity dependence from a positive dependence without the coating. The overall modelling approach is suitable for use in a wide range of similar dynamic systems. Thus, the results also validate the overall modelling methods and the approach presented.

    Citation
    Rodgers GW, Chase JG, Causse R, Chanchi J, MacRae GA (2017). Performance and degradation of sliding steel friction connections: Impact of velocity, corrosion coating and shim material. Engineering Structures. 141. 292-302.
    This citation is automatically generated and may be unreliable. Use as a guide only.
    Keywords
    Buildings; Connections; Corrosion; Friction; Low damage; Velocity; Steel
    ANZSRC Fields of Research
    40 - Engineering::4005 - Civil engineering::400506 - Earthquake engineering
    40 - Engineering::4005 - Civil engineering::400510 - Structural engineering
    09 - Engineering::0913 - Mechanical Engineering::091399 - Mechanical Engineering not elsewhere classified

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    • Impact Mechanics, Damage and Building Pounding: The Effect of Co-efficient of Restitution, Structural Yielding and Gap Ratio 

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      Impact between structures of bridge sections can play a major, unexpected role in seismic structural damage. Linear and non-linear models are developed to analyze structural impact and response of two single-degree-of-freedom ...
    • Is the Asymmetrical Friction Connection (AFC) a low damage dissipater? 

      Chanchi Golondrino, J.; MacRae, G.A.; Chase, Geoff; Rodgers, G.W.; Clifton, C. (University of Canterbury. Civil and Natural Resources EngineeringUniversity of Canterbury. Mechanical Engineering, 2015)
      Asymmetrical Friction Connections (AFC) are used in structures in earthquake zones to dissipate energy without causing major damage to the structural members. This means that the structure itself does not require replacement ...
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