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Textile-reinforced concrete (TRC) is a modern composite material that combines concrete with textile reinforcement. Unlike traditional reinforcement methods, TRC is highly resistant to corrosion, allowing for reduced concrete cover while maintaining structural integrity. This study focuses on using TRC as an external layer around primary reinforcement bars to enhance the performance of reinforced concrete columns. The experimental investigation focused on 12 square concrete columns with dimensions of 200 × 200 × 500 mm and 150 × 150 × 500 mm. Each column contained primary steel reinforcement bars, which served as the internal load-bearing framework. Six columns were constructed using only primary reinforcement without any external TRC layer, serving as control specimens. The remaining six columns were externally wrapped with two layers of Alkali-Resistant (AR) glass fiber Textile Reinforced Concrete (TRC). The TRC layer was designed to work with the primary reinforcement, providing external confinement to restrict lateral expansion under compressive loads. This combined approach aimed to enhance the columns’ structural performance and load-bearing capacity. Compression tests were carried out using a Universal Testing Machine (UTM), which applied a gradually increasing load until the columns failed. The tests were conducted at 7, 14, and 28 days to track the development of compressive strength over time. Columns with primary steel reinforcement wrapped in an external layer of Alkali-Resistant (AR) glass fiber TRC showed better load-bearing capacity and deformation resistance compared to those with only primary reinforcement. This innovative technique of placing TRC wrapping inside the primary reinforcement offers practical applications in the construction of corrosion-resistant and high-performance structural elements. It is particularly suitable for use in slender columns, precast components, and infrastructure exposed to aggressive environmental conditions, where reduced concrete cover and enhanced durability are critical.

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A Study on the Strength Characteristics of Confined Concrete Columns Using Textile Reinforced Concrete

  • 会议论文

  • 发表日期：

    2026年

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  • Payasam Chakradhar Prasad,
  • P. Jyotsna Devi

摘要

Textile-reinforced concrete (TRC) is a modern composite material that combines concrete with textile reinforcement. Unlike traditional reinforcement methods, TRC is highly resistant to corrosion, allowing for reduced concrete cover while maintaining structural integrity. This study focuses on using TRC as an external layer around primary reinforcement bars to enhance the performance of reinforced concrete columns. The experimental investigation focused on 12 square concrete columns with dimensions of 200 × 200 × 500 mm and 150 × 150 × 500 mm. Each column contained primary steel reinforcement bars, which served as the internal load-bearing framework. Six columns were constructed using only primary reinforcement without any external TRC layer, serving as control specimens. The remaining six columns were externally wrapped with two layers of Alkali-Resistant (AR) glass fiber Textile Reinforced Concrete (TRC). The TRC layer was designed to work with the primary reinforcement, providing external confinement to restrict lateral expansion under compressive loads. This combined approach aimed to enhance the columns’ structural performance and load-bearing capacity. Compression tests were carried out using a Universal Testing Machine (UTM), which applied a gradually increasing load until the columns failed. The tests were conducted at 7, 14, and 28 days to track the development of compressive strength over time. Columns with primary steel reinforcement wrapped in an external layer of Alkali-Resistant (AR) glass fiber TRC showed better load-bearing capacity and deformation resistance compared to those with only primary reinforcement. This innovative technique of placing TRC wrapping inside the primary reinforcement offers practical applications in the construction of corrosion-resistant and high-performance structural elements. It is particularly suitable for use in slender columns, precast components, and infrastructure exposed to aggressive environmental conditions, where reduced concrete cover and enhanced durability are critical.