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Structural Engineering and Mechanics
  Volume 55, Number 1, July10 2015, pages 137-160
DOI: http://dx.doi.org/10.12989/sem.2015.55.1.137
 


Flexural strength of roller compacted concrete pavements reinforced with glass-roved textiles
Morteza Madhkhan, Saeid Nowroozi and Mohammad E. Torki

 
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.
 
Key Words
    RCC pavements; TRC; glass fiber textile; flexural strength
 
Address
Morteza Madhkhan and Saeid Nowroozi: Department of Civil Engineering, Isfahan University of Technology, Isfahan, 8415683111, Iran
Mohammad E. Torki: Department of Aerospace Engineering, Texas A&M University, College Station, TX 77843, USA
 

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