Maximum aggregate size effects on the evolution of the FPZ and crack extensions in concrete–Experimental and numerical investigation

A Boukais, Z Dahou, M Matallah - International Journal of Solids and …, 2023 - Elsevier
In this paper, an experimental/numerical investigation is proposed to study the effect of
maximum aggregate size (D max) on the fracture process zone (FPZ) length variations and …

Geological analysis of the hydro-mechanical responses of Opalinus claystone to excavation-induced damage via engineering

H Wang, Q Sun, Z Wu, Y Wang, G Wang, X Xu… - Computers and …, 2024 - Elsevier
In the realm of engineering geology, specifically concerning the containment of high-level
radioactive waste, this study examines the excavation-induced damage zone (EDZ) in …

Numerical modelling and in-situ experiment for self-sealing of the induced fracture network of drift into the Callovo-Oxfordian claystone during a hydration process

H Wang, R de La Vaissière, MN Vu… - Computers and …, 2022 - Elsevier
The excavation damage zone surrounding an underground tunnel/gallery, and in particular
its evolution, is being studied for the performance assessment of a radioactive waste …

A poromechanical‐damage‐based‐model for water‐driven fracture modeling of concrete gravity dams

MI Bessaid, M Matallah… - International Journal for …, 2022 - Wiley Online Library
Water‐driven fracture propagation is a fundamental issue in the failure analysis of cracked
concrete gravity dams. In the present paper, a poromechanical‐damage–based model is …

Investigation of hydro-mechanical behaviour of excavation induced damage zone of callovo-oxfordian Claystone: Numerical Modeling and In-situ Experiment

H Wang, Q Dong, R de La Vaissière, MN Vu… - Rock Mechanics and …, 2022 - Springer
For the performance assessment of a high radioactive waste underground repository, the
excavation induced damage zone surrounding an underground drift as well as its evolution …

A homogenized formulation to account for sliding of non-meshed reinforcements during the cracking of brittle matrix composites: Application to reinforced concrete

A Sellier, A Millard - Engineering Fracture Mechanics, 2019 - Elsevier
Non-linear finite element modelling of complex structures made of composites, such as
reinforced concrete, remains a challenge because, until now, the only way to consider the …

On the threshold crack opening effect on the intrinsic permeability of localized macro-cracks in concrete samples under Brazilian test conditions

G Rastiello, S Dal Pont, JL Tailhan, P Rossi - Mechanics Research …, 2018 - Elsevier
The Brazilian (indirect tensile strength) test is widely adopted for studying the permeability
evolution of single localized macro-cracks in concrete samples. In most of these studies, the …

Time-dependent permeability of fractured Callovo-Oxfordian claystone in laboratory and in situ drift excavation induced damaged zone in the claystone formation …

H Wang, Q Sun, H Pei, Y Zhang, MN Vu… - Bulletin of Engineering …, 2024 - Springer
This study examines the permeability evolution of the excavation damaged zone (EDZ) in
Callovo-Oxfordian argillite (COx claystone) drifts, from excavation to refilling. The aim is to …

3‐D mesoscale simulation of crack‐permeability coupling in the Brazilian splitting test

N Benkemoun, H Al Khazraji, P Poullain… - … for Numerical and …, 2018 - Wiley Online Library
In this paper, mesoscale hydromechanical simulations are performed to study (1) fracture
features and (2) crack‐gas permeability coupling evolution in the context of the tensile …

On hydromechanical interaction during propagation of localized damage in rocks

AA Jameei, S Pietruszczak - Minerals, 2021 - mdpi.com
This paper provides a mathematical description of hydromechanical coupling associated
with propagation of localized damage. The framework incorporates an embedded …