Research Article

Laboratory Investigation and Modelling of the Thermal-Mechanical Properties of Soil in Shallow Mineralized Groundwater Area

Table 3

The properties of reproduced specimens.

Salt typeSalt concentration (mol/kg)Moisture content (%)Dry density (g/cm3)Void ratioPredicted thermal conductivity (W m-1 K-1)Measured thermal conductivity (W m-1 K-1)

None018.9951.5370.7071.3441.371
21.1731.5560.6861.4201.435
23.3731.5310.7141.4281.461

NaCl1.519.4291.5630.6781.3981.410
21.2051.5660.6751.3711.455
23.0381.5530.6891.3761.475
319.0691.5800.6601.4191.363
20.9751.5870.6531.3701.417
23.2551.5660.6751.4401.435
4.518.7331.5900.6501.3731.326
20.5301.5930.6471.3841.373
23.0141.5680.6731.3531.390
614.9881.5880.6521.1631.187
17.1541.6530.5871.3581.343
20.8051.6150.6241.3791.372
22.8321.5650.6761.3221.339

CaCl21.518.2851.6270.6131.4301.431
19.7321.6440.5951.4621.497
22.0731.5980.6411.4131.478
316.8741.6290.6101.3261.313
19.5021.6440.5951.3771.404
21.3221.6100.6301.3671.392
4.515.7481.6450.5941.2111.238
17.4631.6710.5701.3081.324
19.1911.6600.5801.3161.350
21.0511.6130.6261.3151.319
613.2361.6200.6191.1341.086
15.1421.6750.5661.2251.224
17.1561.7020.5411.3271.323
18.8281.6800.5611.3271.332
21.1981.6330.6071.2971.313