Structural Engineering and Mechanics

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Flexural strength of roller compacted concrete pavements reinforced with glass-roved textiles

  • Madhkhan, Morteza (Department of Civil Engineering, Isfahan University of Technology) ;
  • Nowroozi, Saeid (Department of Civil Engineering, Isfahan University of Technology) ;
  • Torki, Mohammad E. (Department of Aerospace Engineering, Texas A&M University)
  • Received : 2014.02.08
  • Accepted : 2015.06.01
  • Published : 2015.07.10
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Abstract

The one-way (two-way) flexural strength of RCC prisms (circular slabs) reinforced with glass fiber textiles is addressed. To this end, alkaline-resistant glass fiber textiles with three surface weights were used in the composite, the matrix concrete was designed with zero/nonzero slump, and the textiles were used with/without an intermediate layer provided by epoxy resin and sand mortar. Prisms were tested under a four-point loading apparatus and circular slabs were placed on simple supports under a central load. Effects of the amount and geometry of reinforcement, matrix workability, and the intermediate layer on the ultimate load and deflection were investigated. Results revealed that, with a specific reinforcement amount, there is an optimum textile tex for each case, depending on the matrix mix design and the presence of intermediate layer. Similar results were obtained in one-way and two-way bending tests.

Keywords

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