Monitoring of Tidal Variation and Temperature Change-Induced Movements of an Immersed Tunnel Using Distributed Optical Fiber Sensors (DOFSs)

Table 6

Site soil parameter information.

Soil layer no	Depth (NAP)	Soil type	Saturated unit weight (kN/m^2)	Internal friction angle (°)	Cohesion (KPa)	(MPa)	(MPa)	(MPa)	Permeability constant (ms^−1)
L1	−2.25 to −10 m	Sand mixed with layers of clay	20	37.8	0	28	28	140	2.47E-05
L2	−10 to −15m	Moderately dense clean sand	21	41.1	0	22.3	22.3	111.9	5.85E-04
L3	−15 to −16 m	Clay	21	28.3	17.51	10.6	5.3	53	9.03E-10
L4	−16 to −21 m	Moderately dense clean sand	21	40.5	0	50	50	250	5.18E-04
L5	−21 to −23 m	Moderately dense clay	21	26.8	13.39	8.2	4.1	40.8	6.48E-10
L6	−23 to −24 m	Clay	21	25.9	10	13.9	6.9	69.7	3.08E-10
L7	−24 to –29 m	Silty clay (overconsolidated)	21	31.1	30	42.3	21.16	211.7	1.00E-09
L8	−29 to −38 m	Moderately dense sand	21	38.4	0	30	30	152	7.69E-05