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

Lylia Deghoul; Smail Gabi; Adam Hamrouni

doi:10.2478/sgem-2019-0050

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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

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

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

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

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

Unscaled input accelerogram from 1989 Loma Prieta earthquake.

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

Soil parameters used for HS model

Parameters	Unit	Dense sand	Loose sand	Rockfill
E50refE_{50}^{ref}	kN/m²	6.032 × 10⁴	1.638 × 10⁴	2.232 × 10⁴
EoedrefE_{oed}^{ref}	kN/m²	4.826 × 10⁴	1.310 × 10⁴	1.786 × 10⁴
EurrefE_{ur}^{ref}	kN/m²	1.810 × 10⁴	4.914 × 10⁴	6.696 × 10⁴
P^ref	kN/m²	100	100	100
M	-	0.5	0.5	0.5
K0nc\user2{K}_0^{nc}	-	0.3982	0.4524	0.2929
R_f	-	0.9	0.9	0.9

Additional input parameters of HSS model_

Parameters	Unit	Dense sand	Loose sand	Rockӿll
γ_0.7	-	4.918 × 10^–4	3.629 × 10^–4	4.246 × 10^–4
G0refG_0^{ref}	kN/m²	1.051 × 10⁵	9.108 × 10⁴	1.038 × 10⁵

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

Model	Lateral and vertical displacements at the rock dike top	Lateral and vertical displacements at the rock dike toe
MC
HS
HSS

Soil parameters used for the MC model_

Parameters	Unit	Dense sand	Loose sand	Rockfill
φ	°	37	33.2	45
ψ	°	21	7	0
C	kN/m²	0.5	0.5	15
ν	-	0.3	0.3	0.2
E	kN/m²	6.032 × 10⁴	1.638 × 10⁴	2.232 × 10⁴

Pile and deck properties_

Parameters	Unit	Pile	Deck
EA	kN/m	162.75 × 10⁴	17.85 × 10⁶
EI	kN.m²/m	70.49 × 10³	96.724 × 10³
w	kN/m/m	0.633	6.9436
ν	-	0.2	0.2

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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:

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.

Volume 42 (2020): Issue 3 (September 2020)

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

Figures & Tables

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Soil parameters used for HS model

Additional input parameters of HSS model_

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

Soil parameters used for the MC model_

Pile and deck properties_

Paradigm

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