Abstract
The increasing cost of new infrastructure in addition to the gradual decline in the structural integrity of current aging infrastructure has necessitated studies for sustainable materials for strengthening concrete structures. Extensive experimental and numerical studies using carbon fiber reinforced polymers (CFRP) and glass fiber reinforced polymers (GFRP) for strengthening reinforced concrete (RC) structures have concluded on their immense efficiency in increasing the ultimate capacity of such structures. Basalt fibers are low-cost, fire-resistant, green material possessing high strength-to-weight ratio and higher ultimate strain compared to carbon and glass fibres. Basalt fiber and basalt fibre reinforced polymer (BFRP), is a relatively new material in the construction industry with limited experimental and numerical studies. This paper presents finite element (FE) modelling and analysis of RC beams strengthened with basalt fiber reinforced polymer (BFRP) fabrics. The FE models were observed to have a good correlation with the test results and these FE models were able to predict the elastic and plastic behavior of the RC beams. The results of the FE analysis indicate that basalt fibre fabric is a suitable material for strengthening and rehabilitation of RC beams.
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