Study of Impact Damage in PVA-ECC Beam under Low-Velocity Impact Loading Using Piezoceramic Transducers and PVDF Thin-Film Transducers
Compared to conventional concrete, polyvinyl alcohol fiber reinforced engineering cementitious composite (PVA-ECC) offers high-strength, ductility, formability, and excellent fatigue resistance. However, impact-induced structural damage is a major concern and has not been previously characterized in...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2018-02-01
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| Series: | Sensors |
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| Online Access: | http://www.mdpi.com/1424-8220/18/2/671 |
| _version_ | 1798003584022872064 |
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| author | Baoxin Qi Qingzhao Kong Hui Qian Devendra Patil Ing Lim Mo Li Dong Liu Gangbing Song |
| author_facet | Baoxin Qi Qingzhao Kong Hui Qian Devendra Patil Ing Lim Mo Li Dong Liu Gangbing Song |
| author_sort | Baoxin Qi |
| collection | DOAJ |
| description | Compared to conventional concrete, polyvinyl alcohol fiber reinforced engineering cementitious composite (PVA-ECC) offers high-strength, ductility, formability, and excellent fatigue resistance. However, impact-induced structural damage is a major concern and has not been previously characterized in PVA-ECC structures. We investigate the damage of PVA-ECC beams under low-velocity impact loading. A series of ball-drop impact tests were performed at different drop weights and heights to simulate various impact energies. The impact results of PVA-ECC beams were compared with mortar beams. A combination of polyvinylidene fluoride (PVDF) thin-film sensors and piezoceramic-based smart aggregate were used for impact monitoring, which included impact initiation and crack evolution. Short-time Fourier transform (STFT) of the signal received by PVDF thin-film sensors was performed to identify impact events, while active-sensing approach was utilized to detect impact-induced crack evolution by the attenuation of a propagated guided wave. Wavelet packet-based energy analysis was performed to quantify failure development under repeated impact tests. |
| first_indexed | 2024-04-11T12:10:02Z |
| format | Article |
| id | doaj.art-d8fc320ab18f41e99b7e9418c7fcd0aa |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-11T12:10:02Z |
| publishDate | 2018-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-d8fc320ab18f41e99b7e9418c7fcd0aa2022-12-22T04:24:38ZengMDPI AGSensors1424-82202018-02-0118267110.3390/s18020671s18020671Study of Impact Damage in PVA-ECC Beam under Low-Velocity Impact Loading Using Piezoceramic Transducers and PVDF Thin-Film TransducersBaoxin Qi0Qingzhao Kong1Hui Qian2Devendra Patil3Ing Lim4Mo Li5Dong Liu6Gangbing Song7College of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, ChinaDepartment of Mechanical Engineering, University of Houston, Houston, TX 77204, USACollege of Civil Engineering, Zhengzhou University, Zhengzhou 450001, ChinaDepartment of Mechanical Engineering, University of Houston, Houston, TX 77204, USADepartment of Civil and Environmental Engineering, University of Houston, Houston, TX 77204, USADepartment of Civil and Environmental Engineering, University of California, E4145 Engineering Gateway, Irvine, CA 92617, USADepartment of Mechanical Engineering, University of Houston, Houston, TX 77204, USADepartment of Mechanical Engineering, University of Houston, Houston, TX 77204, USACompared to conventional concrete, polyvinyl alcohol fiber reinforced engineering cementitious composite (PVA-ECC) offers high-strength, ductility, formability, and excellent fatigue resistance. However, impact-induced structural damage is a major concern and has not been previously characterized in PVA-ECC structures. We investigate the damage of PVA-ECC beams under low-velocity impact loading. A series of ball-drop impact tests were performed at different drop weights and heights to simulate various impact energies. The impact results of PVA-ECC beams were compared with mortar beams. A combination of polyvinylidene fluoride (PVDF) thin-film sensors and piezoceramic-based smart aggregate were used for impact monitoring, which included impact initiation and crack evolution. Short-time Fourier transform (STFT) of the signal received by PVDF thin-film sensors was performed to identify impact events, while active-sensing approach was utilized to detect impact-induced crack evolution by the attenuation of a propagated guided wave. Wavelet packet-based energy analysis was performed to quantify failure development under repeated impact tests.http://www.mdpi.com/1424-8220/18/2/671impact damage detectionPVA-ECC beampiezoceramic transducersPVDF transducersactive sensing approachshort-time Fourier transformsmart aggregate |
| spellingShingle | Baoxin Qi Qingzhao Kong Hui Qian Devendra Patil Ing Lim Mo Li Dong Liu Gangbing Song Study of Impact Damage in PVA-ECC Beam under Low-Velocity Impact Loading Using Piezoceramic Transducers and PVDF Thin-Film Transducers Sensors impact damage detection PVA-ECC beam piezoceramic transducers PVDF transducers active sensing approach short-time Fourier transform smart aggregate |
| title | Study of Impact Damage in PVA-ECC Beam under Low-Velocity Impact Loading Using Piezoceramic Transducers and PVDF Thin-Film Transducers |
| title_full | Study of Impact Damage in PVA-ECC Beam under Low-Velocity Impact Loading Using Piezoceramic Transducers and PVDF Thin-Film Transducers |
| title_fullStr | Study of Impact Damage in PVA-ECC Beam under Low-Velocity Impact Loading Using Piezoceramic Transducers and PVDF Thin-Film Transducers |
| title_full_unstemmed | Study of Impact Damage in PVA-ECC Beam under Low-Velocity Impact Loading Using Piezoceramic Transducers and PVDF Thin-Film Transducers |
| title_short | Study of Impact Damage in PVA-ECC Beam under Low-Velocity Impact Loading Using Piezoceramic Transducers and PVDF Thin-Film Transducers |
| title_sort | study of impact damage in pva ecc beam under low velocity impact loading using piezoceramic transducers and pvdf thin film transducers |
| topic | impact damage detection PVA-ECC beam piezoceramic transducers PVDF transducers active sensing approach short-time Fourier transform smart aggregate |
| url | http://www.mdpi.com/1424-8220/18/2/671 |
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