Guided wave based methods for damage detection: Experimental study on concrete joint
MetadataShow full item record
Since Guided wave (GW) is sensitive to small damage and can propagate a relatively longer distance with relatively less attenuation, GW-based method has been found as an effective and efficient way to detect incipient damages. In this study, a full-scale concrete joint was constructed to further verify the effectiveness of GW-based method on real civil structures. GW tests were conducted in three stages, including baseline, serviceability and damage conditions. The waves are excited by one actuator and received by several sensors, which are made up of independent piezoelectric elements. Experimental results show that the mehod is promising for damage identification in practices.
Showing items related by title, author, creator and subject.
Bao, C.; Hao, Hong; Li, Z. (2013)Structural damage identification methods are critical to the successful application of structural health monitoring (SHM) systems to civil engineering structures. The dynamic response of civil engineering structures is ...
Structural damage detection based on the reconstructed phase space for reinforced concrete slab: Experimental studyNie, Z.; Hao, Hong; Ma, H. (2013)In this paper, a parameter based on geometry changes of the reconstructed multidimensional phase space of the measured vibration signals for structural damage identification is proposed. The choice of the proper delay ...
Structural damage identification with power spectral density transmissibility: Numerical and experimental studiesLi, Jun; Hao, Hong; Lo, J. (2015)This paper proposes a structural damage identification approach based on the power spectral density transmissibility (PSDT), which is developed to formulate the relationship between two sets of auto-spectral density ...