Determination of the Engineering Properties of Submarine Soil Layers in the Bohai Sea Using the Piezocone Penetration Test

Table 1

Technical parameters of the Wison-APB 50/100 kN (AP van den Berg, [34].

Specifications	Wison-APB	Parameters	Value/notes
Pushing force (kN)	50/100	Dimensions
Hydraulic tank working pressure (MPa)	17.5/35.0	Total length including water hose (mm)	8550/4550
Stroke length (m)	3.0/1.0	Maximum O.D. (mm)	90
Probe specifications		Hydraulic tank O.D./I.D. (mm)	85/70
Cone resistance (MPa)	0–100 (±0.1 MPa)	Drill pipe O.D./I.D. (mm)	35/16
Sleeve friction (MPa)	0–75 (±0.1 MPa)	Seawater proof	Yes
Pore pressure (MPa)	0–1, 2, 5 (0.5%)	Hydraulic tank	Stainless steel
Drill pipe	100 chromium alloy electroplating	Other parts	Stainless steel; seawater-resistant copper