Mechanical behavior of Reinforced Concrete Beams retrofitted by Basalt Fabric
Author(s):
Ashika A M, Kavitha S M
Keywords:
Reinforced Concrete Beam, Basalt fibre, Retrofitting, RCPT.
Abstract
The retrofitting of concrete structures has become increasingly important in view of ageing and the deterioration of infrastructure. Retrofitting involves strengthening existing structural elements to enhance their performance with new technology, features, and components. This study involves strengthening the Reinforced concrete (RC) beam by using basalt fibre as wrapping sheets. Basalt fibres, derived from natural volcanic rock, exhibit high tensile strength, corrosion resistance, and durability, making them ideal for enhancing the mechanical properties of concrete and thereby wrapped around RC beams. The U-wrap pattern is adopted for wrapping the beams with basalt fiber-reinforced polymer (BFRP) sheets. The flexural behavior of this strengthened beam is studied. After loading, the damaged beam is retrofitted using BFRP sheets. The flexural behavior of the retrofitted beam is compared with the undamaged one. The strength properties such as compressive strength, and tensile strength of the concrete specimen wrapped with BFRP sheets are also studied. The Rapid Chloride Permeability test (RCPT) was also performed to study the chloride ion ingression in concrete. The findings from this project have the potential to influence future infrastructure maintenance practices, promoting resilience and sustainability in the face of aging infrastructure challenges.
Article Details
Unique Paper ID: 166899

Publication Volume & Issue: Volume 11, Issue 2

Page(s): 2217 - 2221
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