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Advances in Bridge Engineering

Table 1 Values of thermal performance parameters of steel and concrete

From: Numerical analysis on the time-varying temperature field distribution patterns of ballastless track steel-concrete composite box girders at ambient temperature based on field measurements

 

Specific heat capacity c J/(kg.°C)

Thermal conductivity k W/(m.°C)

Density ρ

kg/m3

Concrete

1000

1.56

2438

Steel

475

58.5

7500

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