FEM Analysis and Simplified Approach for a Single Energy Pile Subjected to Thermomechanical Loads

Table 2

Parameters of finite element model.

Parameter	Value	Parameter	Value
Elastic modulus of pile GPa	30	Pile unit weight kN/m^3	25
Soil elastic modulus MPa	20	Soil unit weight kN/m^3	20
Coefficient of linear thermal expansion for pile °C^−1	1x10^−5	Friction angle of soil °	30
Coefficient of linear thermal expansion for soil °C^−1	2x10^−6	Soil Poisson’s ratio	0.35
Pile conductivity W/m/K	1.74	Soil cohesion kPa	5
Specific heat capacity of soil J/kg/K	1305	Pile Poisson's ratio	0.15
Specific heat capacity of pile J/kg/K	1706	Soil conductivity W/m/K	1.16