Performance of Slurry Shield Tunnelling in Mixed Strata Based on Field Measurement and Numerical Simulation

Table 2

The thickness of the strata layer at different monitoring sections (unit: m).

Strata layer	Monitoring section
	DK17 + 885	DK17 + 400
Pavement	0.70	0.70
Silt	4.00	5.00
Silty clay1	23.62	16.00
Pebble soil1	4.38	6.00
Silty clay2	15.00	6.50
Pebble soil2	27.30	45.80