[图书][B] Creep and hygrothermal effects in concrete structures
The literature on concrete creep and shrinkage is vast and scattered over many media. A
host of books have already been devoted to this subject. Some are valuable compilations of …
host of books have already been devoted to this subject. Some are valuable compilations of …
[HTML][HTML] Key features of numerical models for the FE-simulation of deep tunnel advance by the NATM
P Gamnitzer, M Neuner, M Schreter-Fleischhacker… - Underground …, 2024 - Elsevier
In the present work, important aspects of time-dependent nonlinear 3D finite element (FE)
models for deep tunnel advance by the New Austrian Tunneling Method (NATM) …
models for deep tunnel advance by the New Austrian Tunneling Method (NATM) …
[HTML][HTML] Experimental study of a wet mix shotcrete for primary tunnel linings—Part I: Evolution of strength, stiffness and ductility
A comprehensive experimental program on the mechanical, hygral and thermal behavior of
a modern wet mix shotcrete is presented. The present part I deals with the evolution of the …
a modern wet mix shotcrete is presented. The present part I deals with the evolution of the …
Interaction analysis between composite supports and rheological rock considering progressive hardening characteristic of shotcrete
The shotcrete stiffness varies over time in the hardening period, which complexes the
interaction between support structures and rheological rock. This study presents an …
interaction between support structures and rheological rock. This study presents an …
[HTML][HTML] Stress-strain relationship and damage constitutive model of wet concrete under uniaxial compression
F Yang, S Yang, Y Fu, Y Zhang - Case Studies in Construction Materials, 2023 - Elsevier
The deformation and damage of wet shotcrete under geostress in deep mines is a common
issue. To better understand the damage characteristics of rock deformation rates on wet …
issue. To better understand the damage characteristics of rock deformation rates on wet …
From experimental modeling of shotcrete to numerical simulations of tunneling
Shotcrete shells constitute an essential part of modern tunnel construction according to the
New Austrian Tunneling Method (NATM). Immediately after excavation of a tunnel segment …
New Austrian Tunneling Method (NATM). Immediately after excavation of a tunnel segment …
[HTML][HTML] Experimental study of a wet mix shotcrete for primary tunnel linings—Part II: Shrinkage, creep, thermal and hygral behavior of shotcrete
S Smaniotto, M Neuner, T Cordes… - Engineering Fracture …, 2022 - Elsevier
Part II of the study of a wet mix shotcrete focuses on creep and shrinkage as well as on the
thermal and hygral behavior. It deals with the time-dependent mechanical behavior due …
thermal and hygral behavior. It deals with the time-dependent mechanical behavior due …
[HTML][HTML] An extended gradient-enhanced damage-plasticity model for concrete considering nonlinear creep and failure due to creep
For high stress levels, the dependence of the creep strain rate of concrete on the acting
stress is nonlinear. Furthermore, very high stress levels may lead to a critical growth of …
stress is nonlinear. Furthermore, very high stress levels may lead to a critical growth of …
[HTML][HTML] Experimental and numerical study on nonlinear basic and drying creep of normal strength concrete under uniaxial compression
The material behavior of concrete is highly nonlinear and time-dependent. In particular, the
evolution of deformation due to creep is crucially dependent on the acting stress and the …
evolution of deformation due to creep is crucially dependent on the acting stress and the …
Time-dependent material properties of shotcrete: Experimental and numerical study
M Neuner, T Cordes, M Drexel, G Hofstetter - Materials, 2017 - mdpi.com
A new experimental program, focusing on the evolution of the Young's modulus, uniaxial
compressive strength, shrinkage and creep of shotcrete is presented. The laboratory tests …
compressive strength, shrinkage and creep of shotcrete is presented. The laboratory tests …