Evolution process and hardening mechanism of consolidated silt in silty seabed subject to waves

Chen, Xuguang; Zhang, Fengpeng; Liu, Xixi; Li, Hui; Zhang, Xian; Wang, Qiang; Wang, Lizhen; Tang, Hanfeng; Wei, Jiakang; Li, Kehu

doi:10.1016/j.apor.2022.103214

Cited by 6 publications

(2 citation statements)

References 21 publications

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“…To describe this kind soil, Kondner [3] proposed the concept of 'hardening soil model' in his book, Shanz [4] expanded the hardening soil model with Isotropic hardening and small-strain stiffness (HSsmall) two subcategories respectively, these models are advanced models for simulating the behavior of different types of soil, both soft soils and stiff soils, they can be consider as the extension from 'M-C' model. A number of recent studies showed the development about the harden soil model: Alarcón et.al [5] adopt Hardening Soil Model (HSM) and perform finite element analysis in Geo-design, Chen et al [6] described the birth mechanism of consolidated silt in a silty seabed by wave hardening. As per the geotechnic report description and the site inspection about the drilling soil samples from bore piles, which are remixed with cement and fine aggregate, refer Fig.…”

Section: Introductionmentioning

confidence: 99%

Numerical study on bored Pile-Soil interaction by specified constitutive model in coastal engineering (design)

Xie¹

2022

Mater. sci. eng., appl.

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In Geo-engineering design, Geotech-engineers usually adopt ‘Mohr-Coulomb model (M-C)’ to substitute most soil material, this model is considered as linear elastic and perfectly plastic model, despite, in the coastal engineering, the sand-clay mixed with water, cement, fine aggregate or similar materials are the most common interface medium among soil and pile bodies, the frictions from them have strong affection on piles settlements, due to their complex components and mechanics, never can simulate these interface medium by ‘M-C model’ easily, hereby, the novelty of this article is that author adopt ‘Hardening soil constitutive model (HSs)’ as the interface medium and deployed numerical studies on its application in practical case, the studies included simulating the mechanic behaviors among soil and piles(morphology of deformation), design assumptions based on the analysis of geotechnic report and empirical views, besides compared the pile settlement curves by ‘M-C’ and ‘HSs’ models with the static loads test results, and identified the ‘HSs’ model is a suitable constitutive model for sand-clay mixture soil in this Geo project design. In the end, author proposed a few conclusions about the medium birth mechanism, criteria of model selection and advice for similar engineering reference.

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Section: Introductionmentioning

confidence: 99%

Numerical study on bored Pile-Soil interaction by specified constitutive model in coastal engineering (design)

Xie¹

2022

Mater. sci. eng., appl.

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“…R.P et al, 2019). The hardening forces of the particles were extended by the increasing of the internal friction angle of consolidated silt (Chen. X et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

The numerical model of the Internal friction angle and Saturation Degree affect the vertical displacement of the ground

Doan¹

2022

Preprint

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The numerical model of the different vertical displacement and the internal friction angle variations were determined carefully by the Viet Nam Standard. The difference between experimental values and simulation of the PLAXIS 3D software, was shown remarkably as the maximum value was shown in 0.01975 m (z = -36.9m) depth with ϕ0 = 290); whereas the minimum value in 0.002844 m (z = 0m) depth with ϕ0 = 20. The mean value at the center of the Clay layer (from 0.0m to 27.0m) depth was obtained at 0.0577m whereas compared with 0.0156 m at the Sand layer (from 27.0 to 39.6m) depths. Moreover, water content (W%) and porosity (P%) were calculated particularly at the maximum value of 94.35% (borehole “HK 2”) with 4.8m depth, whereas the minimum value is 18.22% at 39.3m depth (borehole “HK3”); which compared with porosity (P%) of 71.9% (borehole “HK2”) at 4.8m depth, and 40.4% (borehole “HK3”) at 4.8m depth. On the other hand, Saturation results presented a relatively low mean value of 88.09% and 86.79% at the center of the ground (from 4.3m to 15.3m). The increase of 23% and 75.42% (from 18.3m to 39.3m) as compared with the research of Zapatata, 1999.

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Investigation on the scour properties of pile under the current considering the geomechanical parameters of seabed: Time scale

et al. 2022

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Evolution process and hardening mechanism of consolidated silt in silty seabed subject to waves

Cited by 6 publications

References 21 publications

Numerical study on bored Pile-Soil interaction by specified constitutive model in coastal engineering (design)

Numerical study on bored Pile-Soil interaction by specified constitutive model in coastal engineering (design)

The numerical model of the Internal friction angle and Saturation Degree affect the vertical displacement of the ground

Investigation on the scour properties of pile under the current considering the geomechanical parameters of seabed: Time scale

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