Enhanced Detection Systems of Filling Rates Using Carbon Nanotube Cement Grout.
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| Title: | Enhanced Detection Systems of Filling Rates Using Carbon Nanotube Cement Grout. |
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| Authors: | Lee, Heeyoung1 (AUTHOR), Park, Seonghoon2 (AUTHOR) 9254sunghoon@gmail.com, Park, Sanggyu2 (AUTHOR) gyu2644@gmail.com, Chung, Wonseok2 (AUTHOR) wschung@khu.ac.kr |
| Source: | Nanomaterials (2079-4991). Jan2020, Vol. 10 Issue 1, p10. 1p. |
| Subjects: | Grout (Mortar), Carbon nanotubes, Infrared imaging, Multiwalled carbon nanotubes, Magnetic testing |
| Abstract: | 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. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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