Research Article
Improving the Interfacial Bond Properties of the Carbon Fiber Coated with a Nano-SiO2 Particle in a Cement Paste Matrix
Table 3
Description of fabrication of specimens for the pull-out test.
| | Type of cement pastes | Specimens | Replacement ratio of SF (wt.%) | Number of specimens | Remarks |
| | PCF | PCFSF0-3 d | — | 5 | Cement paste prepared by using 100% cement and without SF at 3, 7, and 28 days | | PCFSF0-7 d | 5 | | PCFSF0-28 d | 5 | | CCF | CCFSF0-3 d | — | 5 | | CCFSF0-7 d | 5 | | CCFSF0-28 d | 5 |
| | PCF | PCFSF10-3 d | 10 | 5 | Cement paste prepared by using 90% cement and with 10 wt.% SF at 3, 7, and 28 days | | PCFSF10-7 d | 5 | | PCFSF10-28 d | 5 | | CCF | CCFSF10-3 d | 10 | 5 | | CCFSF10-7 d | 5 | | CCFSF10-28 d | 5 |
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PCF is the plain carbon fiber; CCF is the nano-SiO2-coated carbon fiber.
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