Research Article
Research on the Fracture Properties and Modification Mechanism of Polyester Fiber and SBR Latex Modified Cement Concrete
Table 8
The characteristics of XRD diffraction peak at the angle of 17–19° for cement pastes with different P/C.
| Age | Sample | value (nm) | FWHM (°) | (counts) | (counts) |
| 3 | 1# | 4.918 | 0.137 | 6245 | 1037 | 2# | 4.913 | 0.129 | 4029 | 814 |
| 7 | 1# | 4.915 | 0.175 | 7867 | 1590 | 2# | 4.909 | 0.171 | 6158 | 1337 |
| 28 | 1# | 4.910 | 0.178 | 8730 | 1864 | 2# | 4.921 | 0.175 | 8842 | 1921 |
| 90 | 1# | 4.911 | 0.181 | 9572 | 2137 | 2# | 4.914 | 0.184 | 10573 | 2368 |
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