Numerical implementation of a neural network based material model in finite element analysis

YMA Hashash, S Jung… - International Journal for …, 2004 - Wiley Online Library
Neural network (NN) based constitutive models can capture non‐linear material behaviour.
These models are versatile and have the capacity to continuously learn as additional …

Observed behaviors of a long and deep excavation constructed by cut-and-cover technique in Shanghai soft clay

Y Tan, B Wei - Journal of Geotechnical and Geoenvironmental …, 2012 - ascelibrary.org
A 16–18 m deep excavation for a metro station with in-plane dimensions of approximately
20 m wide by 290 m long was constructed by using the cut-and-cover technique in soft clay …

Suggested method of utilizing soil arching for optimizing the design of strutted excavations

BG He, B Lin, HP Li, SQ Zhu - Tunnelling and Underground Space …, 2024 - Elsevier
An expression was derived for the soil arching effect behind foundation pits by considering
the natural static equilibrium. An optimization strategy for super-large deep foundation pits …

Multibench-retained excavations with inclined–vertical framed retaining walls in soft soils: observations and numerical investigation

G Zheng, Z Guo, H Zhou, Y Tan, Z Wang… - Journal of Geotechnical …, 2024 - ascelibrary.org
Strut-free retaining walls are an efficient and cost-effective technology for large-scale
excavations, but their application at excavation depths of more than 10 m in soft soils has …

Assessment of apparent earth pressure for braced excavations in anisotropic clay

R Zhang, ATC Goh, Y Li, L Hong, W Zhang - Acta Geotechnica, 2021 - Springer
The evaluation of strut forces is critical to ensure the system stability of braced excavation in
urban areas. The most common empirical approach to determine the forces in the struts is …

Comparison of two inverse analysis techniques for learning deep excavation response

YMA Hashash, S Levasseur, A Osouli, R Finno… - Computers and …, 2010 - Elsevier
Performance observation is a necessary part of the design and construction process in
geotechnical engineering. For deep urban excavations, empirical and numerical methods …

CFG pile composite foundation: its engineering applications and research advances

BU Uge, YC Guo - Journal of Engineering, 2020 - Wiley Online Library
Problematic soils exist almost everywhere on the globe. State‐of‐the‐art solutions to make
civil engineering infrastructures built on them are still highly sought. The CFG (cement‐fly …

An experimental study of the active arching effect in soil using the digital image correlation technique

H Khatami, A Deng, M Jaksa - Computers and Geotechnics, 2019 - Elsevier
This paper presents the results of an experimental investigation of the active arching effect in
soils using the Digital Image Correlation (DIC) technique. A trapdoor apparatus was filled …

Novel approach to integration of numerical modeling and field observations for deep excavations

YMA Hashash, C Marulanda, J Ghaboussi… - Journal of Geotechnical …, 2006 - ascelibrary.org
Precedent and observation of performance are an essential part of the design and
construction process in geotechnical engineering. For deep urban excavations designers …

Assessment of strut forces for braced excavation in clays from numerical analysis and field measurements

ATC Goh, F Zhang, W Zhang, OYS Chew - Computers and Geotechnics, 2017 - Elsevier
One important consideration in the design of a braced excavation system is to ensure that
the structural bracing system is designed both safely and economically. The forces acting on …