Abstract
This study focusses on using strains to detect the presence of cracks in simply supported steel beam, highlighting the importance of strains as a reliable metric to monitor structural health. Unlike traditional methods that rely primarily on vibration responses, this research explores the sensitivity of strain measurements in identifying and evaluating damage. Experimental tests were carried out on beams with variety of crack depths and positions, subjected to static and dynamic loads. The findings reveal that, while the fundamental frequency of the beam remains unchanged until significant damage occurs, deformation values exhibit pronounced changes throughout the test, highlighting their higher sensitivity in detecting damage. This method demonstrates its versatility in various engineering applications, including bridge structures and machinery systems. Integration of strain-based monitoring into automated systems improves efficiency and consistency, reduces human errors, and optimises maintenance processes. This study underscores the potential of using strains for proactive structural health management, which contributes to the safety, performance, and longevity of infrastructure. By advancing strain-based techniques, research paves the way for more robust and reliable methods in damage detection and structural assessment.