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The influence of the soil constitutive models on the seismic analysis of pile-supported wharf structures with batter piles in cut-slope rock dike Cover

The influence of the soil constitutive models on the seismic analysis of pile-supported wharf structures with batter piles in cut-slope rock dike

Studia Geotechnica et Mechanica
Volume 42 (2020): Issue 3 (September 2020)
By: Lylia Deghoul,  Smail Gabi and  Adam Hamrouni  
Open Access
|Jul 2020

Figures & Tables

Figure 1

Finite element model of the wharf.
Finite element model of the wharf.

Figure 2

Stiffness parameters of standard drained triaxial test results: (1) for the MC model, (2) for the HS model, (3) for the HSS model [66]
Stiffness parameters of standard drained triaxial test results: (1) for the MC model, (2) for the HS model, (3) for the HSS model [66]

Figure 3

Characteristic stiffness-strain behavior in logarithmic scale (after Atkinson and Sallfors [36] and Mair[76]) (Atkinson, 2000)[77].
Characteristic stiffness-strain behavior in logarithmic scale (after Atkinson and Sallfors [36] and Mair[76]) (Atkinson, 2000)[77].

Figure 4

Calibration of soil parameters of MC model in numerical soil element tests for rockfill, dense sand and loose sand.
Calibration of soil parameters of MC model in numerical soil element tests for rockfill, dense sand and loose sand.

Figure 5

Unscaled input accelerogram from 1989 Loma Prieta earthquake.
Unscaled input accelerogram from 1989 Loma Prieta earthquake.

Figure 6

Total displacements with MC model.
Total displacements with MC model.

Figure 7

Total displacements with HS model.
Total displacements with HS model.

Figure 8

Total displacements with HSS model.
Total displacements with HSS model.

Figure 9

Nodal displacement vectors for the wharf supported piles (m)[28].
Nodal displacement vectors for the wharf supported piles (m)[28].

Figure 10

Pore pressure of the numerical model
Pore pressure of the numerical model

Figure 11

Total pore pressure contours (Pa)[28].
Total pore pressure contours (Pa)[28].

Figure 12

Total displacements of the piles.
Total displacements of the piles.

Soil parameters used for HS model

ParametersUnitDense sandLoose sandRockfill
E50refE_{50}^{ref}kN/m26.032 × 1041.638 × 1042.232 × 104
EoedrefE_{oed}^{ref}kN/m24.826 × 1041.310 × 1041.786 × 104
EurrefE_{ur}^{ref}kN/m21.810 × 1044.914 × 1046.696 × 104
PrefkN/m2100100100
M-0.50.50.5
K0nc\user2{K}_0^{nc}-0.39820.45240.2929
Rf-0.90.90.9

Additional input parameters of HSS model_

ParametersUnitDense sandLoose sandRockӿll
γ0.7-4.918 × 10–43.629 × 10–44.246 × 10–4
G0refG_0^{ref}kN/m21.051 × 1059.108 × 1041.038 × 105

Lateral and vertical displacement time histories at the top and at the toe of the rock dike_

ModelLateral and vertical displacements at the rock dike topLateral and vertical displacements at the rock dike toe
MC
HS
HSS

Soil parameters used for the MC model_

ParametersUnitDense sandLoose sandRockfill
φ°3733.245
ψ°2170
CkN/m20.50.515
ν-0.30.30.2
EkN/m26.032 × 1041.638 × 1042.232 × 104

Pile and deck properties_

ParametersUnitPileDeck
EAkN/m162.75 × 10417.85 × 106
EIkN.m2/m70.49 × 10396.724 × 103
wkN/m/m0.6336.9436
ν-0.20.2
DOI: https://doi.org/10.2478/sgem-2019-0050 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365
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Language: English
Page range: 191 - 209
Submitted on: Jun 21, 2019
Accepted on: May 7, 2020
Published on: Jul 5, 2020
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
iles,
wharf,
cut-slope rock dike,
finite element analysis,
seismic,
soil constitutive models
Related subjects:
Geosciences,
Geosciences, other,
Materials sciences,
Composites,
Porous materials,
Physics,
Mechanics and fluid dynamics

© 2020 Lylia Deghoul, Smail Gabi, Adam Hamrouni, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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