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Analysis of the pile skin resistance formation Cover

Analysis of the pile skin resistance formation

Studia Geotechnica et Mechanica
Volume 43 (2021): Issue 4 (December 2021)
By: Paweł Siemaszko and  Zygmunt Meyer  
Open Access
|Nov 2021
Figures & tables

Figures & Tables

Figure 1

Loaded pile scheme.Symbols on Figure 1: D- pile diameter [m] h- length of the pile in the soil [m] l- arm of bending space [m] N1- load at the base of the pile [MN] N2- load at the head of the pile [MN] N(z)- axial force in the pile at z depth [MN] τ(z)- shear stress on the pile skin at z depth [MPa] s- settlement value of the pile [mm] s(z)- settlement of the pile at z depth [mm]

Figure 2

Placement of strain gauges for Pile 1, forces graph [9].

Figure 3

Graph of CPTu investigation results for Pile 1 (left graph) and Pile 2 (right graph) [9].

Figure 4

Comparison of values obtained from measurements (m index) with authors’ calculations (calc index) for Pile 1, different loads.

Figure 5

Comparison of values obtained from measurements (m index) with authors’ calculations (calc index) for Pile 2, different loads.

Figure 6a

Least squares method for Pile 1 N2=6100 kN.

Figure 6b

Least squares method for Pile 2 N2=2400 kN.

Figure 7a

Relationship between settlement and shear stress at the head of Pile 1.

Figure 7b

Relationship between settlement and shear stress at the base of Pile 1.

Figure 8a

Relationship between settlement and shear stress at the head of Pile 2.

Figure 8b

Relationship between settlement and shear stress at the base of Pile 2.

Figure 9a

Pile 1 values comparison; linear distribution for B2=5,28.

Figure 9b

Pile 2 values comparison; linear distribution for B2=6,89.

Figure 10a

Pile 1 values comparison; linear distribution for B1=0,02.

Figure 10b

Pile 2 values comparison; linear distribution for B1=0,01.

Static load test values for Pile 1_

DimensionsN2 [kN]s2 [mm]
Pile nr 1D=0,8 m610014,05
580012,29
550010,42
H=18,05 m52009,42
49008,28
46007,21
43006,36
Technology: CFA40005,64
37004,75
34004,23
31003,56
28002,83
24002,24
20001,76
16001,27
12001,12
8000,74

Static load test values for Pile_

DimensionsN2 [kN]s2 [mm]
Pile nr 2D=0,8 m480025,46
450018,23
420013,28
H=18,05 m39008,85
36006,83
33005,48
30004,42
Technology: CFA27003,6
24002,89
21002,27
18001,69
15001,28
12000,98
9000,7
6000,43
3000,2
DOI: https://doi.org/10.2478/sgem-2021-0026 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365
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Language: English
Page range: 380 - 388
Submitted on: Mar 3, 2021
Accepted on: Sep 7, 2021
Published on: Nov 1, 2021
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
load-settlement,
skin resistance,
pile bearing capacity
Related subjects:
Geosciences,
Geosciences, other,
Materials sciences,
Composites,
Porous materials,
Physics,
Mechanics and fluid dynamics

© 2021 Paweł Siemaszko, Zygmunt Meyer, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 43 (2021): Issue 4 (December 2021)
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