Research Article
Surface Thermal Insulation and Pipe Cooling of Spillways during Concrete Construction Period
Table 3
Temperature-control program.
| Program | Pouring temperature [°C] | Surface thermal insulation [kJ·(m2·h·°C)−1] | Target temperature [°C] | Water pipe cooling | Spacing [m × m] | Water temperature [°C] | Flow rate [m3·h−1] |
| Program 1 | 15 | — | — | 1.0 × 1.0 | — | — | Program 2 | 15 | 20 | 28 | 1.0 × 1.0 | 13 | 2.0 | Program 3 | 15 | The thermal insulation coefficient is 20 at early stage and 5 after October. | 28 | 1.0 × 1.0 | 13 | 2.0 | Program 4 | 15 | Curing with flowing water is conducted at the early stage and the thermal insulation coefficient is 5 after October. | 28 | 1.0 × 1.0 | 13 | 2.0 |
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