Microstructural changes of young cement paste due to moisture transfer at low air pressures

S Zuo, Q Yuan, T Huang, K Zhang, J Shi… - Cement and Concrete …, 2023 - Elsevier
It has been long recognized that low air pressure (AP) affects the moisture transfer in
concrete, and thus its microstructure and bulk property, but less is known about the …

Optimization of high-strength self-consolidating concrete mix design using an improved Taguchi optimization method

E Sharifi, SJ Sadjadi, MRM Aliha, A Moniri - Construction and Building …, 2020 - Elsevier
Since many parameters are involved in the concrete mix design, finding the optimal mixing
design has always been a problem for concrete engineers. In this research, the Taguchi …

Study on distributions of airflow velocity and convective heat transfer coefficient characterizing duct ventilation in a construction tunnel

Q Chen, H Zhang, Y Zhu, S Chen, G Ran - Building and Environment, 2021 - Elsevier
This paper explores the longitudinal distributions of airflow velocity and convective heat
transfer coefficient (CHTC) characterizing duct ventilation in a construction tunnel of …

A TOPSIS-based Taguchi optimization to determine optimal mixture proportions of the high strength self-compacting concrete

B Şimşek, YT İç, EH Şimşek - Chemometrics and Intelligent Laboratory …, 2013 - Elsevier
In general, the optimization problems contain more than one response, which often conflict
with each other. This paper proposes the TOPSIS-based Taguchi optimization approach to …

A strength based thermo-mechanical coupled cohesive zone model for simulating heat flux induced interface debonding

T Shi, Y Zhang, X Zhang, Y Wang, K Zheng - Composites Science and …, 2023 - Elsevier
A thermo-mechanical strength based cohesive zone model is proposed to simulate the
behaviour of an imperfect interface. In this model, the load transfer behaviour is described by …

Thermal and mechanical aspects of the response of embedded retaining walls used as shallow geothermal heat exchangers

PJ Bourne-Webb, TMB Freitas… - Energy and …, 2016 - Elsevier
Engineering structures embedded in the ground can be utilised as the heat exchange circuit
in shallow geothermal energy systems. Thermally-activated retaining walls supporting the …

Predicting early‐age stress evolution in restrained concrete by thermo‐chemo‐mechanical model and active ensemble learning

M Liang, Z Chang, S He, Y Chen, Y Gan… - … ‐Aided Civil and …, 2022 - Wiley Online Library
Early‐age stress (EAS) is an important index for evaluating the early‐age cracking risk of
concrete. This paper encompasses a thermo‐chemo‐mechanical (TCM) model and active …

Multi-scale simulation of freeze-thaw damage to RC column and its restoring force characteristics

F Gong, K Maekawa - Engineering Structures, 2018 - Elsevier
The frost damage of reinforced concrete (RC) is of great complexity than plain one tested in
laboratory, because of damage levels depending on various shapes and scales of …

A review on thermo-mechanical modelling of arch dams during construction and operation: Effect of the reference temperature on the stress field

F Salazar, DJ Vicente, J Irazábal, I De-Pouplana… - … Methods in Engineering, 2020 - Springer
Double-curvature dams are unique structures for several reasons. Their behaviour changes
significantly after joint grouting, when they turn from a set of independent cantilevers into a …

Numerical investigation of the convection heat transfer driven by airflows in underground tunnels

M Peltier, AFR Loria, L Lepage, E Garin… - Applied Thermal …, 2019 - Elsevier
This study presents a fundamental investigation of the convection heat transfer phenomenon
driven by airflows in underground tunnels, with reference to the development of the so …