Analysis of the Pile-Soil Combined Effect of Micropiles in Strengthening Expansive Soil Landslide in Southern Shaanxi Based on the Dynamic Soil Arch Model

Table 2

Inversion of thermal expansion coefficient of expansive soil.

Thermal expansion coefficient (1/°C)	Simulated swelling force (kPa)	Tested swelling force (kPa)	Swelling force error (%)	Simulated swelling amount (mm)	Tested swelling amount (mm)	Swelling amount error (%)
8.51 × 10^–4	9.92	9.91	0.1	1.758	1.725	1.9