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Cyclic Response of Steel Cladding Details with Fiber-Reinforced Polymer Shims
Abstract:
Cladding details which span the building envelope are particularly susceptible to forming thermal bridges, where heat is transferred between interior and exterior, resulting in loss of energy. To prevent these thermal bridges, thermal breaks inserted in the cladding detail connection to the building interior are necessary. This paper summarizes recent work on the design, validation, and implementation of thermal break strategies. Fiber-reinforced polymer (FRP) shims were used to provide thermal breaks in steel connections of cladding details. The use of these shims was due to their combination of favorable thermal properties and promising structural performance. While several cladding details were examined, this paper will concentrate on the cyclic performance of roof posts (under axial and cyclic lateral loads) and canopy beams (under cyclic lateral loads only), representing their anticipated performance during earthquakes. The impact of FRP shims at the bolted base plate connection to the building interior is discussed. Recommendations for design are also presented.
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Pages:
787-793
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Online since:
February 2018
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