Zobrazeno 1 - 10
of 2 649
pro vyhledávání: '"Tunnel engineering"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract The accurate detection of tunnel lining cracks and prompt identification of their primary causes are critical for maintaining tunnel availability. The advancement of deep learning, particularly in the domain of convolutional neural network (
Externí odkaz:
https://doaj.org/article/9ea7e7af78a34d5ea2ec148b544ddf70
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract This article presents a composite tunnel rockfall protection structure (CPRC) employing galvanized corrugated steel plates as the inner formwork for reinforced concrete structures. It addresses the threats posed by frequent rockfall disaster
Externí odkaz:
https://doaj.org/article/a60d1f27e00a43e19a4efb0659d14eaa
Publikováno v:
Discover Civil Engineering, Vol 1, Iss 1, Pp 1-19 (2024)
Abstract To address water leakage in tunnels with high water pressure, a new waterproof drainage system was proposed. The system uses a spray-applied material with double-adhesive properties as a waterproof layer, significantly reducing leakages, and
Externí odkaz:
https://doaj.org/article/50eda44e5c784db28beb3fb74f2d16db
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract The sudden inrush of water poses a serious threat to the safety of workers during tunnel construction in the karst region of southwest China. To mitigate this risk, a model is proposed to assess the risk of water surge through a tunnel by co
Externí odkaz:
https://doaj.org/article/3c4c5fab09224dd18071cf8d37ca8340
Publikováno v:
Journal of Traffic and Transportation Engineering (English ed. Online), Vol 11, Iss 4, Pp 797-813 (2024)
In the construction of the Shenzhen–Zhongshan Link, a temporary anchorage system, distributed uniformly along the pipe wall, has been employed. To assess the safety and reliability of this system, a combined method utilizing numerical analysis and
Externí odkaz:
https://doaj.org/article/6f076e8b8ca1411eb6a3351a3eadf09d
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 6, Pp 226-233 (2024)
Objective In the ultra-close layered tunnel construction, the preceding excavated tunnel can cause unpredictable damage to the surrounding rock, which will affect the smooth construction of the following tunnel and increase the difficulties of engine
Externí odkaz:
https://doaj.org/article/47a3fd807ebe4226930b16b0caf4ee77
Publikováno v:
Underground Space, Vol 15, Iss , Pp 203-220 (2024)
Aiming at the issue of crystallization and blockage of drainage system due to the massive calcium loss from the tunnel shotcrete, a self-designed tunnel seepage crystallization modelling system was developed. This system was produced in conjunction w
Externí odkaz:
https://doaj.org/article/6de9d9faf5ee454b9abb9f5d1390665b
Study on Stress Characteristics Response of Submarine Shield Segment Under Ultra-high Water Pressure
Publikováno v:
Electronic Journal of Structural Engineering, Vol 24, Iss 3 (2024)
In the construction and operation stage of shield tunnel, mastering and clarifying the mechanical characteristics of the overall structure is essential for ensuring shield tunnel safety. In this paper, the shell-spring model is established by ABAQUS
Externí odkaz:
https://doaj.org/article/0308a9985f9e4735b1d0a1203077efe9
Publikováno v:
Case Studies in Thermal Engineering, Vol 60, Iss , Pp 104655- (2024)
Steel embedded parts welded on the surface of steel-concrete-steel tunnel elements serve as thermal bridges in tunnel fires. Their influence on temperature field and macroscopic thermal damage of steel-concrete-steel structure were investigated throu
Externí odkaz:
https://doaj.org/article/893f8e0913c7487599a5f2c262c4060b
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03009- (2024)
The crystalline blockage of tunnel drainage pipes poses a common challenge to tunnel engineering, particularly in regions with abundant groundwater and severe ion erosion. Based on the design of concrete mix proportion, this paper improves the calciu
Externí odkaz:
https://doaj.org/article/02726bccac5e4f11853ef70aa7f2d076