Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Changfu Huang"'
Publikováno v:
Underground Space, Vol 17, Iss , Pp 100-119 (2024)
Ground penetrating radar (GPR) is a vital non-destructive testing (NDT) technology that can be employed for detecting the backfill grouting of shield tunnels. To achieve intelligent analysis of GPR data and overcome the subjectivity of traditional da
Externí odkaz:
https://doaj.org/article/d0fec73c251d49a0a7a0fd296403ae99
Autor:
Changfu Huang, Shaohua Li, Zhenbo Zhang, Tiejun Yao, Xianming Shi, Jingwei Tian, Zhinan Hu, Yuhai Wang
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-21 (2024)
Abstract Given the influence of air intake from inclined shafts in existing tunnel ventilation systems on train comfort and aerodynamic safety, a numerical analysis method is used to study the comfort and aerodynamic safety of operating trains under
Externí odkaz:
https://doaj.org/article/1bd0fd43238843e2954e3ac3b6f75591
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Tunnel construction subject to surrounding rock squeezing deformation can induce support cracking, intrusion, and collapse. Herein, the existing Wushaoling tunnel of Lanzhou–Wuwei second line railway and the new Wushaoling tunnel of Lanzhou–Zhang
Externí odkaz:
https://doaj.org/article/dc91d91d79ec40f7ac2f9b2279b300fd
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Temperature significantly influences the physical parameters of granite, resulting in variations in the rock's thermal conductivity. In order to examine the impact of changes in multiple physical parameters of granite at different temperatur
Externí odkaz:
https://doaj.org/article/61d260a959df425b9a5559798d6bb451
Publikováno v:
Mathematics, Vol 12, Iss 10, p 1479 (2024)
The existing tunnel structure, the new underpass tunnel structure and the rock strata in the area of influence of the crossover tunnel are interacting systems that are affected by various factors, such as dynamic and static excavation loads and dynam
Externí odkaz:
https://doaj.org/article/71e89950bd064b01acd5d64ee4c29ec0
Publikováno v:
Buildings, Vol 14, Iss 5, p 1480 (2024)
The application of folding arch frames is deemed crucial for unmanned arch frame erection, with the selection of the joint form being a determining factor in the overall mechanical performance of the folding arch frame, particularly in influencing th
Externí odkaz:
https://doaj.org/article/ecbd1f220fdf491a8c4ff6765468948d
Publikováno v:
Applied Sciences, Vol 14, Iss 8, p 3242 (2024)
Research on the excavation mechanical properties of underpass tunnels has already had certain results, but only a few of them consider the effects of dynamic and static loads on the excavation mechanical properties of underground tunnels at the same
Externí odkaz:
https://doaj.org/article/2a7760de93be4ba2a155895ef5e9999e
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 290 (2023)
The research on the impact of the excavation of underpass tunnels has already had certain results, but there is a lack of research cases of double-line highway tunnels with oblique angles under the existing railway tunnels, especially the method of d
Externí odkaz:
https://doaj.org/article/6929bcd27f9843bc9312acf469cf80e5
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01218- (2022)
The corrosion of offshore reinforced concrete structures under combined chloride and sulfate ions attack is a complex corrosion phenomenon. The purpose of this study is to develop numerical models in conjunction with experimental studies for long-ter
Externí odkaz:
https://doaj.org/article/71fe6f8146b942568aad9d2cd0f0d3a7
Publikováno v:
Case Studies in Construction Materials, Vol 15, Iss , Pp e00690- (2021)
The variability in characteristics of concrete material, such as pore size and chemical composition, has significant impact on the long-term performance of concrete structures under sulfate attack. This paper presents a reliability-based numerical mo
Externí odkaz:
https://doaj.org/article/da6789d4c8674e9eacedaa0c1ea8499d