Effect of Improvement and Application of Composite Prefabricated Vertical Drain Method in Marine Soft Ground: A Case Study

Table 2

Summary of estimates of settlements from the hyperbolic plots.

Settlement observation point	Vertical drain type	Drain spacing (m)	Hyperbolic estimate of ultimate settlement				Observed maximum settlement (cm)	Postconstruction settlement (cm)
						(cm)
T44	PBDs	1.2	0.1906	0.0236	0.9969	100.33	98.24	2.09
T45	SWDs	1.6	0.2776	0.0306	0.9996	89.44	88.40	1.04
T52	PBDs	1.2	0.0176	0.0190	0.9985	105.30	105.23	0.07
T53	PBDs	1.2	0.1280	0.0223	0.9978	77.51	75.75	1.76