龄期(天) | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | 30 |
T0 (℃) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
(℃) | 18.8 | 17.5 | 8.0 | 10.3 | 11.3 | 11.6 | 11.8 | 11.9 | 11.9 | 11.9 |
(℃) | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 2.9 | 3.4 | 3.8 | 4.2 | 4.6 |
(℃) | 17.1 | 17.1 | 17.1 | 17.1 | 17.1 | 17.1 | 17.1 | 17.1 | 17.1 | 17.1 |
(t) | 15.9 | 15.6 | 9.8 | 11.8 | 12.9 | 13.6 | 14.1 | 14.6 | 15.0 | 15.4 |
(×104 MPa) | 0.769 | 1.356 | 1.804 | 2.146 | 2.407 | 2.607 | 2.759 | 2.875 | 2.964 | 3.032 |
a (×10−6 MPa) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
ν | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
S | 0.5 | 0.45 | 0.42 | 0.4 | 0.38 | 0.36 | 0.34 | 0.32 | 0.31 | 0.3 |
R | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
σ (温度应力(MPa) | 0.72 | 1.12 | 0.87 | 1.19 | 1.39 | 1.50 | 1.56 | 1.58 | 1.62 | 1.65 |
抗拉应力(MPa) | 2.1 | 1.86 |
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| 2.01 |
安全系数 | 2.9 | 1.66 |
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| 1.2 |