Evaluating the Behavior of Embankments after Widening considering Soil Consolidation and Splicing Mode

Table 1

Soil mechanical parameters corresponding to the existing embankments height H = 4 m.

Location	Soil depth (m)	Compactness (%)	c (kPa)	φ (°)	k	n
The existing embankment	0.9	80.0	3.0	35.7	331.1	0.51
	2.3	68.6	10.0	31.6	251.2	0.62
	4.0	69.0	10.0	29.3	218.8	0.66
The existing foundation	5.7	—	29.0	23.2	128.8	0.58
	7.1		19.0	27.9	173.8	0.64
	8.2		9.0	33.3	316.2	0.53
The new foundation	0.2	—	14.0	32.0	208.9	0.61
	1.4		23.0	23.3	138.0	0.64
	3.0		24.0	26.2	173.8	0.66
The new embankment	Earth field	93.0	28.0	30.1	320.4	0.70
		94.0	26.2	33.2	341.8	0.72
		96.0	24.6	35.0	355.2	0.78