Determination of stiffness of circumferential yielding lining considering the shotcrete hardening property

K Wu, Z Shao, Y Jiang, N Zhao, S Qin, Z Chu - Rock Mechanics and Rock …, 2023 - Springer
The safety of circumferential yielding lining is influenced significantly by the shotcrete
hardening property. However, presently, negligible research attention has been paid to this …

[HTML][HTML] Experimental study of a wet mix shotcrete for primary tunnel linings—Part I: Evolution of strength, stiffness and ductility

S Smaniotto, M Neuner, A Dummer, T Cordes… - Engineering Fracture …, 2022 - Elsevier
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 …

Interaction analysis between composite supports and rheological rock considering progressive hardening characteristic of shotcrete

C Liu, D Zhang, S Zhang, Z Sun - Construction and Building Materials, 2023 - Elsevier
The shotcrete stiffness varies over time in the hardening period, which complexes the
interaction between support structures and rheological rock. This study presents an …

[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 …

[HTML][HTML] An extended gradient-enhanced damage-plasticity model for concrete considering nonlinear creep and failure due to creep

A Dummer, M Neuner, G Hofstetter - International Journal of Solids and …, 2022 - Elsevier
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 …

Early-age fracture behavior of sandstone-concrete interface with different sand/cement ratios

J Lu, Z Zhou, X Cai, B Ullah - Construction and Building Materials, 2023 - Elsevier
To understand the influence of sand/cement (S/C) ratio on the mode I fracture characteristics
of the sandstone-concrete interface (SCI) at different ages, the quasi-static three-point …

[HTML][HTML] A modified wedge splitting test for susceptible quasi-brittle materials

M Neuner, S Smaniotto, G Hofstetter - Construction and Building Materials, 2022 - Elsevier
A modified version of the wedge splitting test is proposed, aiming at the investigation of
susceptible materials like young, hydrating concrete and shotcrete. Compared to the …

Способ Торкретирования в Организации Футеровок Средствами Машины «ТOR-1»

MB Permyakov, EI Pashkov, TV Krasnova - 2023 - elibrary.ru
The development of construction technology fostered the need for the research. The authors
applied the following general scientific methods: analysis, synthesis, comparison …

Lining Application by Means of Guniting (Using Machine TOR-1)

MB Permyakov, EI Pashkov, TV Krasnova - International Conference on …, 2022 - Springer
The development of construction technology fostered the need for the research. The authors
applied the following general scientific methods: analysis, synthesis, comparison …