Experimental Research Based on the Optical Fiber Sensing Technology for a Jacked PHC Pipe Pile Penetration Process
Table 1
Soil parameter.
Soil type
Soil description
Thickness (m)
Water content, ω (%)
Unit weight, γ (kN/m3)
Void ratio, e0
Cohesion, c (kPa)
Internal friction angle, ϕ (o)
Compression modulus, Es (MPa)
Fill
Plastic clay
0.9–5.3
30.6
18.5
0.867
13.8
6.8
4.1
Silty soil A1
Loose dense silty soil
0.3–2.5
28.8
18.6
0.803
8.7
20.1
8.1
Silty clay B1
Soft plastic clay
0.3–1.9
30.9
18.3
0.876
17.6
7.4
4.8
Silty soil A2
Medium dense silty soil
0.3–4.0
28.3
18.7
0.794
8.7
21
8.7
Silty clay B2
Soft plastic to flow plastic clay
2.6–4.6
31.7
18.3
0.895
17.5
6.8
4.6
Silty soil A3
Medium dense silty soil
0.8–3.8
28.3
18.7
0.793
10.3
20.6
10.2
Note. c and ϕ were determined using the quick shear tests, and Es was determined using the one-dimensional compressibility test; the thickness was obtained by the auger boring test.
