Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Mingji Zhao"'
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
During the construction of the underpass of a new tunnel, the excavation unloading effect disturbs surrounding rock masses and promotes surrounding rock deformation, inevitably changing stress and displacement in the existing tunnel. Taking Yangtaish
Externí odkaz:
https://doaj.org/article/6e3e7bec5ada4b32985bae0ec343c670
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
Loess geological tunnels are characterized by weak geological structure and poor self-stability of surrounding rock, so effectively controlling the excavation face distances of different caverns is of great significance for guiding the safe construct
Externí odkaz:
https://doaj.org/article/8691e50cd72e401ab45a1836485675d2
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
During the construction of the underpass of a new tunnel, the excavation unloading effect disturbs surrounding rock masses and promotes surrounding rock deformation, inevitably changing stress and displacement in the existing tunnel. Taking Yangtaish
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97f64e64c54ffe2c48dd0063f454d9e9
https://doaj.org/article/6e3e7bec5ada4b32985bae0ec343c670
https://doaj.org/article/6e3e7bec5ada4b32985bae0ec343c670
Publikováno v:
Journal of Isotopes, Vol 34, Iss 5 (2021)
A novel system for preparing 14C sample with various methods, including the zinc method, hydrogen method, and titanium hydride method, was developed for accelerator mass spectrometry (AMS) in 14C measurement. This sample preparation system consists o
Externí odkaz:
https://doaj.org/article/df78e90362014541b09f45abe5841932