Surface Thermal Insulation and Pipe Cooling of Spillways during Concrete Construction Period

Table 1

Mixing proportion of spillway concrete for the purpose of temperature-control test (unit: kg·m⁻³).

Intensity grade

Gradation

Sand ratio

Water-binder ratio

Fly ash replacement percentage

Water reducing agent

Air entraining agent

Amount of material per cubic meter of concrete

Name

Dosage

Name

Dosage 1 × 10^−4

Water

Cement

Fly ash

Sand

Stone

C18055

II

36

0.37

20

JM-PCA

0.9

JM-2000

0.8

116

251

63

699

1242