Electromechanical Response of Smart Ultra-High Performance Concrete under External Loads Corresponding to Different Electrical Measurements
This study investigated the electromechanical response of smart ultra-high-performance concretes (smart UHPCs), containing fine steel slag aggregates (FSSAs) and steel fibers as functional fillers, under external loads corresponding to different measurement methods. Regardless of different measureme...
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2021-02-01
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Online Access: | https://www.mdpi.com/1424-8220/21/4/1281 |
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doaj-f51b4080db3d4aeda1a9b344236f19d22021-02-12T00:02:40ZengMDPI AGSensors1424-82202021-02-01211281128110.3390/s21041281Electromechanical Response of Smart Ultra-High Performance Concrete under External Loads Corresponding to Different Electrical MeasurementsMin Kyoung Kim0Huy Viet Le1Dong Joo Kim2Department of Civil and Environmental Engineering, SEJONG University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, KoreaDepartment of Civil and Environmental Engineering, SEJONG University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, KoreaDepartment of Civil and Environmental Engineering, SEJONG University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, KoreaThis study investigated the electromechanical response of smart ultra-high-performance concretes (smart UHPCs), containing fine steel slag aggregates (FSSAs) and steel fibers as functional fillers, under external loads corresponding to different measurement methods. Regardless of different measurement methods of electrical resistance, the smart UHPCs under compression showed a clear reduction in their electrical resistivity. However, under tension, their electrical resistivity measured from direct current (DC) measurement decreased, whereas that from alternating current (AC) measurement increased. This was because the electrical resistivity, from DC measurement, of smart UHPCs was primarily dependent on fiber crack bridging, whereas that from AC measurement was dependent on tunneling effects.https://www.mdpi.com/1424-8220/21/4/1281smart materialsdamage mechanicsself-sensing mechanism |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Min Kyoung Kim Huy Viet Le Dong Joo Kim |
spellingShingle |
Min Kyoung Kim Huy Viet Le Dong Joo Kim Electromechanical Response of Smart Ultra-High Performance Concrete under External Loads Corresponding to Different Electrical Measurements Sensors smart materials damage mechanics self-sensing mechanism |
author_facet |
Min Kyoung Kim Huy Viet Le Dong Joo Kim |
author_sort |
Min Kyoung Kim |
title |
Electromechanical Response of Smart Ultra-High Performance Concrete under External Loads Corresponding to Different Electrical Measurements |
title_short |
Electromechanical Response of Smart Ultra-High Performance Concrete under External Loads Corresponding to Different Electrical Measurements |
title_full |
Electromechanical Response of Smart Ultra-High Performance Concrete under External Loads Corresponding to Different Electrical Measurements |
title_fullStr |
Electromechanical Response of Smart Ultra-High Performance Concrete under External Loads Corresponding to Different Electrical Measurements |
title_full_unstemmed |
Electromechanical Response of Smart Ultra-High Performance Concrete under External Loads Corresponding to Different Electrical Measurements |
title_sort |
electromechanical response of smart ultra-high performance concrete under external loads corresponding to different electrical measurements |
publisher |
MDPI AG |
series |
Sensors |
issn |
1424-8220 |
publishDate |
2021-02-01 |
description |
This study investigated the electromechanical response of smart ultra-high-performance concretes (smart UHPCs), containing fine steel slag aggregates (FSSAs) and steel fibers as functional fillers, under external loads corresponding to different measurement methods. Regardless of different measurement methods of electrical resistance, the smart UHPCs under compression showed a clear reduction in their electrical resistivity. However, under tension, their electrical resistivity measured from direct current (DC) measurement decreased, whereas that from alternating current (AC) measurement increased. This was because the electrical resistivity, from DC measurement, of smart UHPCs was primarily dependent on fiber crack bridging, whereas that from AC measurement was dependent on tunneling effects. |
topic |
smart materials damage mechanics self-sensing mechanism |
url |
https://www.mdpi.com/1424-8220/21/4/1281 |
work_keys_str_mv |
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1724273995607441408 |