A Three-Section-Settlement Calculation Method for Composite Foundation Reinforced by Geogrid-Encased Stone Columns

Table 1

Calculating parameter.

Section	Soil type	φ (°)	Es (MPa)	ρs (g/cm^3)	μs	c (kPa)
Reinforced section	Filled soil	31	6	1.70	0.4	14.9
Unreinforced section	Weak soil	5.8	2.74	1.75	0.45	11
Underlying stratum	Pebble soil	26	50	1.60	0.4	8