Earthquakes and Structures

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Investigation of the bending behavior of 3D glass fabric-reinforced composite panels as slabs in buildings

  • Sabet, S.A. (Department of Civil Engineering, Islamic Azad University) ;
  • Nazari, Sh. (Department of Textile Engineering, Islamic Azad University) ;
  • Akhbari, M. (Department of Textile Engineering, Islamic Azad University) ;
  • Kolahchi, R. (Department of Civil Engineering, Islamic Azad University)
  • Received : 2019.01.08
  • Accepted : 2019.02.20
  • Published : 2019.03.25
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Abstract

Construction industry is one of the largest markets for composite materials. Composite materials are mostly utilized as surface coatings or concrete reinforcements, and they can hardly be found as a load bearing member in buildings. The three-dimensional composite structures with considerable bending, compressive and shear strengths are capable to be used as construction load bearing members. However, these composites cannot compete with other materials due to higher manufacturing costs. If the cost issue is resolved or their excellent performance is taken into consideration to overcome disadvantages related to economic-competitive challenges, these 3D composites can significantly reduce the construction time and result in lighter and safer buildings. Sandwich composite panels reinforced with 3D woven glass fabrics are amongst composites with highest bending strength. The current study investigates the possibility of utilizing these composite materials to construct ceilings and their application as slabs. One-to-one scale experimental loading of these composite panels shows a remarkable bending strength. Simulation results using ABAQUS software, also indicate that theoretical predictions of bending behavior of these panels are in good agreement with the observed experimental results.

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