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Article

Enhanced Detection Systems of Filling Rates Using Carbon Nanotube Cement Grout

1
Department of Civil Engineering, Chosun University, Gwangju 61452, Korea
2
Department of Civil Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Korea
*
Author to whom correspondence should be addressed.
Nanomaterials 2020, 10(1), 10; https://doi.org/10.3390/nano10010010
Received: 15 November 2019 / Revised: 13 December 2019 / Accepted: 16 December 2019 / Published: 18 December 2019
(This article belongs to the Special Issue Carbon Nanotube: Synthesis, Characteristics and Applications)
The addition of small amounts of carbon nanotubes (CNTs) to cement-based materials modifies their thermal and electrical characteristics. This study investigated the void detection and filling rates of cement grout with multi-walled carbon nanotubes (MWCNTs). MWCNT grouts of 40 mm × 40 mm × 160 mm were fabricated. Specimens were tested by thermal imaging, electrical resistance analyses, and magnetic field tests. The experimental parameters were the concentration of MWCNT and the grout filling rate. The filling rate was investigated by measuring resistance and magnetic field changes with respect to cross-sectional area, taking the voids into consideration. The results of the thermal image tests indicate that 1.0 wt % MWCNT cement grout is optimal for void detection. View Full-Text
Keywords: carbon nanotube; grout; void detection; thermal imaging analysis; electrical resistance; field emission scanning electron microscopy (FE-SEM) carbon nanotube; grout; void detection; thermal imaging analysis; electrical resistance; field emission scanning electron microscopy (FE-SEM)
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MDPI and ACS Style

Lee, H.; Park, S.; Park, S.; Chung, W. Enhanced Detection Systems of Filling Rates Using Carbon Nanotube Cement Grout. Nanomaterials 2020, 10, 10. https://doi.org/10.3390/nano10010010

AMA Style

Lee H, Park S, Park S, Chung W. Enhanced Detection Systems of Filling Rates Using Carbon Nanotube Cement Grout. Nanomaterials. 2020; 10(1):10. https://doi.org/10.3390/nano10010010

Chicago/Turabian Style

Lee, Heeyoung; Park, Seonghoon; Park, Sanggyu; Chung, Wonseok. 2020. "Enhanced Detection Systems of Filling Rates Using Carbon Nanotube Cement Grout" Nanomaterials 10, no. 1: 10. https://doi.org/10.3390/nano10010010

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