Detecting of the Longitudinal Grouting Quality in Prestressed Curved Tendon Duct Using Piezoceramic Transducers
To understand the characteristics of longitudinal grouting quality, this paper developed a stress wave-based active sensing method using piezoceramic transducers to detect longitudinal grouting quality of the prestressed curved tendon ducts. There were four lead zirconate titanate (PZT) transducers...
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MDPI AG
2020-02-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/20/4/1212 |
| _version_ | 1818001611119656960 |
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| author | Tianyong Jiang Bin He Yaowen Zhang Lei Wang |
| author_facet | Tianyong Jiang Bin He Yaowen Zhang Lei Wang |
| author_sort | Tianyong Jiang |
| collection | DOAJ |
| description | To understand the characteristics of longitudinal grouting quality, this paper developed a stress wave-based active sensing method using piezoceramic transducers to detect longitudinal grouting quality of the prestressed curved tendon ducts. There were four lead zirconate titanate (PZT) transducers installed in the same longitudinal plane. One of them, mounted on the bottom of the curved tendon duct, was called as an actuator for generating stress waves. The other three, pasted on the top of the curved tendon duct, were called as sensors for detecting the wave responses. The experimental process was divided into five states during the grouting, which included 0%, 50%, 75%, 90%, and 100% grouting. The voltage signals, power spectral density (PSD) energy and wavelet packet energy were adopted in this research. Experimental results showed that all the amplitudes of the above analysis indicators were small before the grouting reached 90%. Only when the grouting degree reached the 100% grouting, these parameters increased significantly. The results of different longitudinal PZT sensors were mainly determined by the distance from the generator, the position of grouting holes, and the fluidity of grouting materials. These results showed the longitudinal grouting quality can be effectively evaluated by analyzing the difference between the signals received by the PZT transducers in the curved tendon duct. The devised method has certain application value in detecting the longitudinal grouting quality of prestressed curved tendon duct. |
| first_indexed | 2024-04-14T03:35:38Z |
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| id | doaj.art-482bb7096e94439f9891d5b4ddd94c99 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-14T03:35:38Z |
| publishDate | 2020-02-01 |
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| spelling | doaj.art-482bb7096e94439f9891d5b4ddd94c992022-12-22T02:14:45ZengMDPI AGSensors1424-82202020-02-01204121210.3390/s20041212s20041212Detecting of the Longitudinal Grouting Quality in Prestressed Curved Tendon Duct Using Piezoceramic TransducersTianyong Jiang0Bin He1Yaowen Zhang2Lei Wang3School of Civil Engineering, Changsha University of Science and Technology, Changsha 410114, ChinaSchool of Civil Engineering, Changsha University of Science and Technology, Changsha 410114, ChinaChina Railway Fifth Survey and Design Institute Group CO., LTD, Beijing 102600, ChinaSchool of Civil Engineering, Changsha University of Science and Technology, Changsha 410114, ChinaTo understand the characteristics of longitudinal grouting quality, this paper developed a stress wave-based active sensing method using piezoceramic transducers to detect longitudinal grouting quality of the prestressed curved tendon ducts. There were four lead zirconate titanate (PZT) transducers installed in the same longitudinal plane. One of them, mounted on the bottom of the curved tendon duct, was called as an actuator for generating stress waves. The other three, pasted on the top of the curved tendon duct, were called as sensors for detecting the wave responses. The experimental process was divided into five states during the grouting, which included 0%, 50%, 75%, 90%, and 100% grouting. The voltage signals, power spectral density (PSD) energy and wavelet packet energy were adopted in this research. Experimental results showed that all the amplitudes of the above analysis indicators were small before the grouting reached 90%. Only when the grouting degree reached the 100% grouting, these parameters increased significantly. The results of different longitudinal PZT sensors were mainly determined by the distance from the generator, the position of grouting holes, and the fluidity of grouting materials. These results showed the longitudinal grouting quality can be effectively evaluated by analyzing the difference between the signals received by the PZT transducers in the curved tendon duct. The devised method has certain application value in detecting the longitudinal grouting quality of prestressed curved tendon duct.https://www.mdpi.com/1424-8220/20/4/1212piezoceramic transducerprestressed curved tendon ductlongitudinal grouting qualitystructural health monitoring |
| spellingShingle | Tianyong Jiang Bin He Yaowen Zhang Lei Wang Detecting of the Longitudinal Grouting Quality in Prestressed Curved Tendon Duct Using Piezoceramic Transducers Sensors piezoceramic transducer prestressed curved tendon duct longitudinal grouting quality structural health monitoring |
| title | Detecting of the Longitudinal Grouting Quality in Prestressed Curved Tendon Duct Using Piezoceramic Transducers |
| title_full | Detecting of the Longitudinal Grouting Quality in Prestressed Curved Tendon Duct Using Piezoceramic Transducers |
| title_fullStr | Detecting of the Longitudinal Grouting Quality in Prestressed Curved Tendon Duct Using Piezoceramic Transducers |
| title_full_unstemmed | Detecting of the Longitudinal Grouting Quality in Prestressed Curved Tendon Duct Using Piezoceramic Transducers |
| title_short | Detecting of the Longitudinal Grouting Quality in Prestressed Curved Tendon Duct Using Piezoceramic Transducers |
| title_sort | detecting of the longitudinal grouting quality in prestressed curved tendon duct using piezoceramic transducers |
| topic | piezoceramic transducer prestressed curved tendon duct longitudinal grouting quality structural health monitoring |
| url | https://www.mdpi.com/1424-8220/20/4/1212 |
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