Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Da-jun Yuan"'
Publikováno v:
Underground Space, Vol 20, Iss , Pp 1-16 (2025)
When a fire occurs in an underground shield tunnel, it can result in substantial property damage and cause permanent harm to the tunnel lining structure. This is especially true for large-diameter shield tunnels that have numerous segments and joints
Externí odkaz:
https://doaj.org/article/c6831985faf144459a144ec8bac41be3
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
To measure evacuation basic parameters, reveal evacuation performance, and study reasonable staircase spacing of up and down escape staircase in case of fire, an evacuation experiment, which was based on the most unfavorable evacuation scenario, was
Externí odkaz:
https://doaj.org/article/4052b92612fa4acf822a30c332d56107
Publikováno v:
Underground Space, Vol 3, Iss 2, Pp 140-149 (2018)
A road cave-in accident caused by tunneling is described, and the possible mechanism of failure is analyzed. The cave-in measured about 30 m × 27 m in plane, and about 15 m in depth. At about 19 m below the ground surface at the site, a tunnel const
Externí odkaz:
https://doaj.org/article/da947bc7850c4d599401aad4fd3d0b26
Publikováno v:
Applied Sciences, Vol 9, Iss 9, p 1812 (2019)
The mechanism of shield−soil interaction and multi-phase equilibrium control theory in shield tunneling process still lack sufficient understanding. Aiming at this problem, with the improved calculation method of loose earth pressure, the initial b
Externí odkaz:
https://doaj.org/article/a940ad95760d44bc9b0fe47bcbe81b8a
Publikováno v:
Applied Sciences, Vol 9, Iss 4, p 780 (2019)
The prediction of earth pressure balance (EPB) shield performance is an essential part of project scheduling and cost estimation of tunneling projects. This paper establishes an efficient multi-objective optimization model to predict the shield perfo
Externí odkaz:
https://doaj.org/article/469d21354de940239835b6fee43ae8c9
Publikováno v:
Applied Sciences, Vol 7, Iss 7, p 652 (2017)
Karst geology is common in China, and buried karst formations are widely distributed in Guangdong province. In the process of shield tunneling, the abundant water resources present in karst caverns could lead to the potential for high water ingress,
Externí odkaz:
https://doaj.org/article/42a7a40530cc4a9b8bd6dccdd6cd29e1
Publikováno v:
KSCE Journal of Civil Engineering. 24:1632-1640
In the long-distance shield tunneling process, the shield tail brush needs to be replaced after wear failure, especially in cross-river and cross-sea tunnel projects. Taking the shield tail brush replacement project of Qingchun Road tunnel in Hangzho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ccbd087c3cdd3226283ba53e8c53cf49
https://doi.org/10.1007/s12205-020-1591-z
https://doi.org/10.1007/s12205-020-1591-z
Publikováno v:
Construction and Building Materials. 191:877-890
This paper reviews the material properties of the seal gaskets of shield tunnels. In order to understand the function of sealing gaskets, the significance and structure of gaskets in tunnel segments are briefly introduced. Then, the material types of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fc07193d2da7451756b009c173bbbb1
https://doi.org/10.1016/j.conbuildmat.2018.10.021
https://doi.org/10.1016/j.conbuildmat.2018.10.021
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
To measure evacuation basic parameters, reveal evacuation performance, and study reasonable staircase spacing of up and down escape staircase in case of fire, an evacuation experiment, which was based on the most unfavorable evacuation scenario, was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1e8325822b24774d0671aa99a0b9c81
https://doaj.org/article/4052b92612fa4acf822a30c332d56107
https://doaj.org/article/4052b92612fa4acf822a30c332d56107
Publikováno v:
Computers and Geotechnics. 93:222-231
The behaviour of two sections of a test embankment constructed in Ballina, Australia, was predicted by finite element analyses before (Class-A) and after (Class-C) knowing the field-measured data. By comparing the predictions with the field data, it
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78940741ae155e01d01b0279bfc85264
https://doi.org/10.1016/j.compgeo.2017.05.018
https://doi.org/10.1016/j.compgeo.2017.05.018