Contributions to responses of existing tunnel subjected to nearby excavation: A review

F Meng, R Chen, Y Xu, K Wu, H Wu, Y Liu - Tunnelling and Underground …, 2022 - Elsevier
Excavation nearby an existing tunnel is frequently encountered in underground construction,
especially in congested urban areas. Essentially, the responses of the ground and existing …

Small strain stiffness anisotropy of natural sedimentary clays: review and a model

D Mašín, J Rott - Acta Geotechnica, 2014 - Springer
Very small strain stiffness anisotropy of sedimentary clays is investigated. First, a general
formulation of transversely isotropic elastic model is summarised, followed by a description …

[HTML][HTML] Investigation of three sophisticated constitutive soil models: From numerical formulations to element tests and the analysis of vibratory pile driving tests

J Machaček, P Staubach, M Tafili, H Zachert… - Computers and …, 2021 - Elsevier
The performance of three advanced constitutive models has been evaluated based on
element tests and on a comparative study on the simulation of vibratory pile driving tests in …

On the automatic parameter calibration of a hypoplastic soil model

J Machaček, P Staubach, CEG Tavera, T Wichtmann… - Acta Geotechnica, 2022 - Springer
This paper presents an approach for the automatic parameter calibration (AC) of a
hypoplastic constitutive soil model. The calibration software developed in this work simplifies …

Modelling of soil behaviour with hypoplasticity

D Mašín - Springer Series in Geomechanics and Geoengineering …, 2019 - Springer
Hypoplasticity has been around for some thirty years now. Starting from the crazy and yet
brilliant idea of Dimitrios Kolymbas in 1980s, it matured in the first half of 1990s into a …

Clay hypoplasticity model including stiffness anisotropy

D Mašín - Géotechnique, 2014 - icevirtuallibrary.com
A hypoplastic model for clays is developed to predict anisotropy of very small strain stiffness.
The existing hypoplastic model, with explicit formulation of the asymptotic state boundary …

A high-cycle accumulation model for clay and its application to monopile foundations

P Staubach, J Machaček, M Tafili, T Wichtmann - Acta Geotechnica, 2022 - Springer
A high-cycle accumulation (HCA) model predicting the accumulation of permanent strain or
excess pore water pressure in clay under a large number of load cycles is presented. Data …

Automated calibration of advanced soil constitutive models. Part I: hypoplastic sand

T Kadlíček, T Janda, M Šejnoha, D Mašín, J Najser… - Acta Geotechnica, 2022 - Springer
This paper discusses an automated deterministic approach to parameters calibration of the
hypoplastic model for sand. The calibration is performed on results from basic laboratory …

A basic hypoplastic constitutive model for sand

W Wu, J Lin, X Wang - Acta Geotechnica, 2017 - Springer
Hypoplastic constitutive models are based on nonlinear tensor functions and are
characterized by simple formulation and few parameters. In its early stage, mainly basic …

Dynamic stability assessment of reservoir colluvial landslide using a hypoplastic clay constitutive model considering the effects of drying-wetting cycles on the hydro …

Y Xue, F Miao, Y Wu, D Dias - Engineering Geology, 2022 - Elsevier
The hydro-fluctuation belt of reservoir landslides undergoes repeated drying-wetting (D–W)
cycles due to the annual fluctuation of water level in the Three Gorges Reservoir Area …