Study of effect of carbon fiber on the performance of piezoresistive concrete
摘要
The integration of intelligent detection capacities in structural materials represents a transformative step towards safer and more resilient infrastructure. This research studies the development of Piezoresistive concrete by the partial replacement of conventional aggregates by carbon fibers, allow basic loading performance and constraint monitoring. The replacements have been designed in accordance with the specifications of 10,262–2019/ ASTM 10262–2019, thrown into specimens (150 mm × 50 mm × 150 mm) and cylindrical (150 mm × 300 mm), and cured for 7 and 28 days. And electrical performance assessments are conducted. Experimental results have revealed that a 10% carbon fiber replacement has given the most favorable balance between the improvement of resistance, Piezoresistive and profitability, achieving an improvement of 7.2% of compression resistance and an increase of 27.8% of traction resistance compared to witness specimens at 28 days. The incorporation of carbon fibers has proven to promote the formation of conductive networks in the cement matrix, allowing stable, repeatable and reactive electrical resistance changes. The intelligent, more sustainable and more durable civilians, aligning the emerging requirements of modern structural health surveillance systems. Using the Levenberg–Marquardt algorithm, the ANN model accurately forecasted compressive and split tensile strengths from varying mix inputs, highlighting its potential in developing intelligent materials for structural health surveillance.