Paper Title:
Study on tensile behaviour of basalt fibre reinforced polymer bars
Author Name:
V. Pavalan, I.Thauth Himana and R. Sivagamasundari
Abstract:
Basalt fibre reinforced polymer bars have emerged as a promising alternative construction material for replacing conventional steel bars as reinforcement in concrete structures. However, a broad research is needed to assess the tensile behaviour of basalt fibre reinforced polymer (BFRP) bars. This paper presents an experimental study on the tensile properties of sand-coated BFRP bars of 8 and 10mm- diameters. The tensile specimens of these bars were prepared and tested according to ASTM D7205/D7205M-06. The failure morphologies of BFRP bars were observed with a scanning electron microscopy. The experimental results revealed that BFRP bars have high tensile strength than conventional steel bars but exhibit linear stress-strain relationship up to failure. Moreover, the modulus of elasticity of BFRP bars is significantly lower than that of conventional steel bars.
Keywords:
ASTM standards, BFRP bars, Steel bars, Tensile properties, Scanning electron microscopy.
Cite this article:
V. Pavalan, I.Thauth Himana and R. Sivagamasundari.Study on tensile behaviour of basalt fibre reinforced polymer bars. International Journal of Advanced Technology and Engineering Exploration. 2018;5(42):78-82. DOI:10.19101/IJATEE.2018.542015
References:
[1]Micelli F, Nanni A. Tensile characterization of FRP rods for reinforced concrete structures. Mechanics of Composite Materials. 2003; 39(4):293-304.
[2]Sim J, Park C. Characteristics of basalt fiber as a strengthening material for concrete structures. Composites Part B: Engineering. 2005; 36(6-7):504-12.
[3]Wei B, Cao H, Song S. Tensile behavior contrast of basalt and glass fibers after chemical treatment. Materials & Design. 2010; 31(9):4244-50.
[4]Hwang JH, Seo DW, Park KT, You YJ. Experimental study on the mechanical properties of FRP bars by hybridizing with steel wires. Engineering. 2014; 6(7):365-73.
[5]Kocaoz S, Samaranayake VA, Nanni A. Tensile characterization of glass FRP bars. Composites Part B: Engineering. 2005; 36(2):127-34.
[6]Fan X, Xu T, Zhou Z, Zhou X. Experimental study on basic mechanical properties of BFRP Bars. In IOP conference series: materials science and engineering 2017 (pp. 1-6). IOP Publishing.
[7]Huo BR, Zhang XD. Experiment study of BFRP bars’ mechanical properties. In Applied Mechanics and Materials 2012; 174:830-3. Trans Tech Publications.
[8]Lu Z, Xian G, Li H. Experimental study on the mechanical properties of basalt fibres and pultruded BFRP plates at elevated temperatures. Polymers & Polymer Composites. 2015; 23(5):277-83.
[9]Quagliarini E, Monni F, Lenci S, Bondioli F. Tensile characterization of basalt fiber rods and ropes: a first contribution. Construction and Building Materials. 2012; 34:372-80.
[10]Serbescu A, Guadagnini M, Pilakoutas K. Mechanical characterization of basalt FRP rebars and long-term strength predictive model. Journal of Composites for Construction. 2014; 19(2).
[11]Benmokrane B, Nazair C, Seynave X, Manalo A. Comparison between ASTM D7205 and CSA S806 tensile-testing methods for glass fiber-reinforced polymer bars. Journal of Composites for Construction. 2017; 21(5).
[12]Manikandan V, Jappes JW, Kumar SS, Amuthakkannan P. Investigation of the effect of surface modifications on the mechanical properties of basalt fibre reinforced polymer composites. Composites Part B: Engineering. 2012; 43(2):812-8.
[13]Lu Z, Xian G, Li H. Effects of elevated temperatures on the mechanical properties of basalt fibers and BFRP plates. Construction and Building Materials. 2016; 127:1029-36.