Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Taiyue Qi"'
Publikováno v:
Underground Space, Vol 20, Iss , Pp 218-240 (2025)
High-resolution line scan cameras with wide-angle lenses are highly accurate and efficient for tunnel detection. However, due to the curvature of the tunnel, there are variations in object distance that exceed the depth of field of the lens, resultin
Externí odkaz:
https://doaj.org/article/8bf329b7104f42a98e4187537361f337
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 3, Pp 81-86 (2024)
[Objective] A large number of tunnel diseases usually occur during the operation of urban rail transit, and the main cause of the diseases is the wheel-rail force. Therefore, it is necessary to study the method of measuring the wheel-rail vertical fo
Externí odkaz:
https://doaj.org/article/f48f74e864fa465a8fc5544035ebafa1
Publikováno v:
Mathematical Biosciences and Engineering, Vol 18, Iss 4, Pp 4508-4527 (2021)
The striking dominance of groundwater-related defects in the operational high-speed railway tunnels in China calls for swift and accurate detection and identification. Thus, it is a new attempt to detect the water-bearing defects at 5 to 10 meters vi
Externí odkaz:
https://doaj.org/article/9eb6357c2262482f8c239a8b47a03bd7
Publikováno v:
Mathematical Biosciences and Engineering, Vol 17, Iss 4, Pp 3998-4017 (2020)
The transient electromagnetic method (TEM) can effectively predict adverse geological conditions, and is widely used in underground engineering fields such as coal mining and tunneling. Accurate evaluation of adverse geological features is a crucial
Externí odkaz:
https://doaj.org/article/8c59736d80044c89a3811f7b4d6ae306
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 11, Iss 1, Pp 88-98 (2019)
Stratum deformation (settlement) is a challenging issue in tunnel engineering, especially when construction of metro tunnels has to undercut high-speed railway. For this purpose, we used the FLAC3D software to analyze the stratum settlement character
Externí odkaz:
https://doaj.org/article/8cdf71171f25459791e2c5901558db09
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
With the acceleration of urbanization in China, more underpasses will be constructed in big cities to alleviate the great traffic pressure. The prefabricated and assembly construction method has been introduced to replace the traditional cast-in-plac
Externí odkaz:
https://doaj.org/article/de6a5e6fe0874ab9b845e33bda19012a
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
Water leaking into metro segments is related directly to the presence of underground water. However, to date, the underground confined water channels formed by metro underpass reinforcement structures have not been considered as causes of the problem
Externí odkaz:
https://doaj.org/article/4438e9f12c1943d7b0dc308674cca1f4
Publikováno v:
Shock and Vibration, Vol 2020 (2020)
With the rapid development of the urbanization, many underpasses are designed and constructed in big cities to alleviate the huge traffic pressure. The construction method has been changed from traditional on-site concrete pouring technology to prefa
Externí odkaz:
https://doaj.org/article/24f06b2f22bd4a3a9a686e2b45643401
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
Constructing a shield tunnel that crosses under a river poses considerable safety risks, and risk assessment is essential for guaranteeing the safety of tunnel construction. This paper studies a risk assessment system for a shield tunnel crossing und
Externí odkaz:
https://doaj.org/article/257f02e4f167406e9988784332fa788a
Publikováno v:
Structural Concrete. 23:3199-3220
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1326b4df595736f374fffa561718118
https://doi.org/10.1002/suco.202100450
https://doi.org/10.1002/suco.202100450