Risk Analysis of Harmful Gas in Deep Buried Long Tunnel Construction [PDF]
The emergence of harmful gas will bring serious difficulties to the tunnel construction, improper handling can easily lead to accidents. In order to evaluate the possibility of harmful gas in the tunnel, the basic characteristics of harmful gas in tunnel are analyzed from three aspects, that is spatial distribution, inflammable and explosive property ...
Caihong Jia, Yanxi Zhao
openaire +1 more source
A critical water diversion project may face serious water inrush problems during tunnel construction when it crosses the carbonate rock formations of Julongshan syncline.Characteristics of karst water flow system in Julongshan syncline were identified by
Huiming Yan +4 more
doaj +1 more source
Inversion and Analysis of the Initial Ground Stress Field of the Deep-Buried Tunnel Area
The detailed analysis of the initial ground stress distribution law is an important work for the safety of tunnel construction and operation. Especially, the high ground stress phenomenon in the deep-buried tunnel area is common, which has a great impact
Rongsen Yu +4 more
doaj +1 more source
MoM-SO: a Complete Method for Computing the Impedance of Cable Systems Including Skin, Proximity, and Ground Return Effects [PDF]
The availability of accurate and broadband models for underground and submarine cable systems is of paramount importance for the correct prediction of electromagnetic transients in power grids.
Patel, Utkarsh R., Triverio, Piero
core +1 more source
Prediction of Collapse Scope of Deep-Buried Tunnels Using Pressure Arch Theory [PDF]
Tunnel collapse remains a serious problem in practice. Effective prediction methods on tunnel collapse are necessary for tunnel engineering. In this study, systematic study on the pressure arch was presented to predict tunnel collapse. Multiple factors under different conditions were considered. First, the pressure arch was described as a certain scope
Yingchao Wang +4 more
openaire +1 more source
Hard X-ray standing-wave photoemission insights into the structure of an epitaxial Fe/MgO multilayer magnetic tunnel junction [PDF]
The Fe/MgO magnetic tunnel junction is a classic spintronic system, with current importance technologically and interest for future innovation. The key magnetic properties are linked directly to the structure of hard-to-access buried interfaces, and the ...
Ciston, J +17 more
core +4 more sources
Shallow bias tunnels are sensitive at the entrance section, where the existence of soil–rock interface (SRI) results in more complex deformation of surrounding rock and supporting structure.
Zhinan Hu +3 more
doaj +1 more source
Thermal Performance Analysis of an Underground Closed Chamber with Human Body Heat Sources under Natural Convection [PDF]
In this article, a combined experimental and numerical study has been performed to investigate the thermal performance of a mine refuge chamber (MRC) under natural convection.
Day, Rodney +4 more
core +2 more sources
Point Cloud Filtering and Classification Methods for Deeply Buried Irregular Tunnels Based on Geometric Morphology [PDF]
[Objective] The 3D laser scanning technology is characterized by fast scanning speed, high scanning accuracy, non-contact operation, and minimal influence from the scanning environment, which makes it widely applicable in deep engineering fields. However,
SHI Ying-en
doaj +1 more source
Monitoring and Analysis of Geotemperature during the Tunnel Construction
High geotemperatures are encountered during tunnel construction in areas with complex geological structures, which can seriously affect personnel and equipment in the process of tunnel construction and operation. The Nige tunnel, a deep-buried extra-long
Tao Wen +4 more
doaj +1 more source

