Effect of Span-to-Depth Ratio on the Flexural Properties of Woven Neat Epoxy/Glass Fiber-Reinforced Polymer Symmetric Laminates

  • Punit Kumar PandeyEmail author
  • Kalyan Kumar Singh
  • Anand Gaurav
Conference paper
Part of the Lecture Notes on Multidisciplinary Industrial Engineering book series (LNMUINEN)


In this experimental study, the effect of span-to-depth ratio on flexural properties of woven glass fiber symmetric laminates was investigated. Two span-to-depth ratios of 15:1 and 30:1 were selected to assess the effect of span length on the flexure properties of woven GFRP laminates. Five samples from each span-to-depth ratio were tested according to the ASTM D790-17 standard under 3-point bending mode on Hounsfield H50KS, a computer-controlled universal testing machine. Tests revealed that flexure strength of woven GFRP laminates depends upon its span length. However, flexure strain to failure remained almost in the similar range for the specimen with different span lengths. Average flexural strength and modulus of samples with 15:1 and 30:1 span-to-depth ratio were obtained as 160.56 MPa, 14.99 GPa and 139.06 MPa, 19.17 GPa, respectively. Similarly, average strains to failure in the samples were found to be 0.01215 and 0.00853% in the respective order.


GFRP Flexure ASTM D790 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Punit Kumar Pandey
    • 1
    Email author
  • Kalyan Kumar Singh
    • 1
  • Anand Gaurav
    • 1
  1. 1.Department of Mechanical EngineeringIndian Institute of Technology (Indian School of Mines)DhanbadIndia

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