Failure and Remediation of an Embankment on Rigid Column-Improved Soft Soil: Case Study

Table 4

Comparison of safety factors calculated by using the four methods.

Section	Method 1	Method 2	Method 3	Method 4
K64 + 080	2.619	1.606	0.697	0.976
K64 + 100	2.638	1.573	0.698	0.951
K64 + 120	2.446	1.632	0.865	1.281
K64 + 160	2.515	1.380	0.753	0.959