Zobrazeno 1 - 10
of 241
pro vyhledávání: '"soft rock tunnel"'
Publikováno v:
Underground Space, Vol 20, Iss , Pp 259-276 (2025)
Multi-layer linings have been widely used in deep rheological soft rock tunnels for the excellent performance in preventing large-deformation hazards. Previous studies have focused on the bearing capability of multi-layer lining, however, its failure
Externí odkaz:
https://doaj.org/article/e3f5b67392ba4c12a69b0c2d987039dd
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 4, Pp 146-156 (2024)
This study investigated the efficacy of radial yield support as an active measure to mitigate stress and deformation in deep soft rock tunnels experiencing large deformation. Traditional support methods have shown limited success in addressing this c
Externí odkaz:
https://doaj.org/article/d8a5d18e58f6464db2491fab413b3447
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7886 (2024)
Evaluating the reliability of deep soft rock tunnels is a very important issue to be solved. In this study, we propose a Monte Carlo simulation reliability analysis method (MCS–RAM) integrating the adaptive momentum stochastic optimization algorith
Externí odkaz:
https://doaj.org/article/b2e5de8776a64711863acd1db09d4720
Publikováno v:
Buildings, Vol 14, Iss 7, p 2244 (2024)
In tunnel construction, the prediction of the surrounding rock deformation is related to the construction safety and stability of the tunnel structure. In order to achieve an accurate prediction of the surrounding rock deformation in soft rock tunnel
Externí odkaz:
https://doaj.org/article/6ca38a4f68cb4194b6cb9f2642950bea
Publikováno v:
矿业科学学报, Vol 8, Iss 4, Pp 452-463 (2023)
This study analyzes the large deformation failure mode and mechanical mechanism of tunnel surrounding rock, with an aim to lessen the damage of high ground stress soft rock tunnel support structure and large deformation of surrounding rock in southwe
Externí odkaz:
https://doaj.org/article/7eb606e1a6804f539612b2576bd5ee0a
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 2127 (2024)
How to evaluate the reliability of deep soft rock tunnels under high stress is a very important problem to be solved. In this paper, we proposed a practical stochastic reliability method based on the third-generation non-dominated sorting genetic alg
Externí odkaz:
https://doaj.org/article/4018fda3b2a847da997a53766c54f123
Publikováno v:
Applied Sciences, Vol 14, Iss 4, p 1544 (2024)
Creep stress is a detrimental stress generated by the surrounding rock during the operation of the secondary lining of the supporting structure used for high-stress soft rock tunnels in railways, highways and other projects. Therefore, the present st
Externí odkaz:
https://doaj.org/article/e29c42df3a6f4d7ca8767b0ac904ac4d
Publikováno v:
Applied Sciences, Vol 13, Iss 24, p 13326 (2023)
For high ground-stress soft-rock tunnels surrounding rock with large deformation, rapid deformation rate, a long creep time, and a high likelihood of to causing initial and secondary lining damage, the yielding and relief-pressure support technology
Externí odkaz:
https://doaj.org/article/8a1ef67505ac45b6a98eef05a378f85f
Publikováno v:
Applied Sciences, Vol 13, Iss 24, p 13341 (2023)
In constructing hydraulic tunnels, construction disturbances and complex geological conditions can induce variations in the surrounding rock parameters. To navigate the complex non-linear interplay between rock material parameters and tunnel displace
Externí odkaz:
https://doaj.org/article/de1221d55d36470bb5b58d4884ce13e1
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