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Advanced Search Results For "TUNNEL design & construction"

1 - 10 of 17,684 results for
 "TUNNEL design & construction"
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Dematel-ISM-Based Study of the Impact of Safety Factors on Urban Rail Tunnel Construction Projects.

Publication Type:Academic Journal

Source(s):Computational Intelligence & Neuroscience. 7/7/2022, p1-12. 12p.

Abstract:The factors affecting urban rail tunnel construction projects are very complex and are influenced by many factors such as the social environment, the construction process, and the way construction is managed. These influencing factors interact with eac...

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Research on the Safety Thickness of Tunnel Outburst Prevention in Water-Rich Fault Fracture Zone Based on Janssen's Theory.

Publication Type:Academic Journal

Source(s):Geofluids. 9/23/2022, p1-11. 11p. 5 Diagrams, 2 Charts, 3 Graphs.

Abstract:In the construction of tunnel in water-rich fault fracture zone, when the thickness of outburst prevention is insufficient, it is very easy to cause water and mud inrush engineering accident. Therefore, it is very necessary to study the safety thicknes...

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Mine Personnel Positioning System Based on Dual-Wavelength Phase Unwrapping.

Publication Type:Academic Journal

Source(s):Computational Intelligence & Neuroscience. 9/10/2022, p1-8. 8p.

Abstract:During the construction of coal mine laneway, due to the particularity of the geographical location and structure of the laneway, its accidents often occur, causing great trouble to the personal and property safety of the construction personnel. Theref...

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Three-Dimensional Numerical Simulation of Soil Deformation during Shield Tunnel Construction.

Publication Type:Academic Journal

Source(s):Mathematical Problems in Engineering. 8/31/2022, p1-11. 11p.

Abstract:In order to effectively control the ground deformation and ground subsidence during subway construction, three-dimensional numerical simulation of soil deformation during shield tunnel construction is proposed. Based on a subway tunnel project, this es...

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Mechanical Behavior of the Special Segment Structure during Upward Shield Tunnel Construction.

Publication Type:Academic Journal

Source(s):Mathematical Problems in Engineering. 8/3/2022, p1-14. 14p.

Abstract:The upward shield method in horizontal tunnels has the advantages of small ground space occupation, low construction cost, and short construction period, which expresses substantial economic benefits. The special segments of horizontal shield tunnels c...

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Modeling of a vertical tunneling transistor based on Gr-hBN-χ3 borophene heterostructure.

Publication Type:Academic Journal

Source(s):Journal of Applied Physics. 7/21/2022, Vol. 132 Issue 3, p1-14. 14p.

Abstract:We present a computational study on the electrical behavior of the field-effect transistor based on vertical graphene-hBN- χ 3 borophene heterostructure and vertical graphene nanoribbon-hBN- χ 3 borophene nanoribbon heterostructure. We use nonequilibri...

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Experimental Study on Shield Tunneling Control in Full Section Water-Rich Sand Layer of Collapsible Loess.

Publication Type:Academic Journal

Source(s):Geofluids. 8/28/2022, p1-17. 17p. 4 Color Photographs, 5 Diagrams, 3 Charts, 9 Graphs.

Abstract:Taking China's first application of domestic shield tunneling in a water-rich sand layer for crossing a high-speed railway as research background, the influence of changes in the shield tunneling parameters on ground settlement is analyzed based on fie...

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Differential Analysis and Prediction Optimization of Ground Surface Settlement Induced by Quasi-Rectangular Shield and Pipe Jacking Tunnelling.

Publication Type:Academic Journal

Source(s):Advances in Civil Engineering. 8/23/2022, p1-14. 14p.

Abstract:The shield method and pipe jacking method will impact the ground surface and surrounding settlement during tunnel construction. Due to their different tunnelling principles and their cross-section characteristics, the impact on the stratum is often dif...

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Study on Instability Mechanism and Support Scheme of the Tunnel Face in Carbonaceous Phyllite Stratum under High Geo-Stress.

Publication Type:Academic Journal

Source(s):Advances in Civil Engineering. 8/23/2022, p1-18. 18p.

Abstract:The tunnel face collapses easily during tunnel construction in weak surrounding rock under high geo-stress. Identifying the instability mechanism of the face and proposing targeted control measures are of great importance to prevent the collapse of the...

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Construction Settlement Prediction of Shield Tunnel in Soft-soil Area.

Publication Type:Academic Journal

Source(s):Jordan Journal of Civil Engineering. 2022, Vol. 16 Issue 3, p393-401. 9p.

Abstract:The aim of this paper is to analyze and predict the construction settlement of shield tunnel in soft-soil area. Using the shield tunnel excavation gap parameters, by introducing the width correction coefficient b of the settlement trough, the analytica...

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