Research Article

Temperature Control Technology for Construction of Jinsha River Bridge

Table 2

Summary of calculation parameters of cap concrete.

Physical propertiesSilicate concrete

Density (kg/m3)2491
Coefficient of linear expansion (1/T)1 × 10−5
Poisson’s ratio0.2
Specific heat capacity (kJ/(kg°C))0.96
Pyroconductivity (kJ/(m·hr·T))10.6
Construction season3∼5 months
Average temperature during construction (°C)22∼28
Temperature of concrete entering mold (°C)24∼26
Adiabatic temperature rise (°C)40/46