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<p>This Geoguide presents a recommended standard of good practice for rock cavern application and design in Hong Kong. The contents of this guide are derived from Scandinavian practice with suitable modifications for application in Hong Kong.</p>
Reference: Geotechnical Engineering Office, Civil Engineering Department, The Government of the Hong Kong, 1998
<p>We present two examples of ground deformation characterization in the metropolitan area of Vancouver using advanced InSAR. The first regards the construction of the Canada Line, an LRT system connecting Vancouver&rsquo;s International Airport to the downtown ...
Reference: Vancouver TAC 2014: Tunnelling in a Resource Driven World
<p>During the construction of the Bullet Train lines in Japan, several shallow tunnels were excavated in unconsolidated ground using the New Austrian Tunnelling Method (NATM). However, ground and tunnel settlements frequently occurred due to the low stiffness ...
Reference: Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
<p>This paper deals with a shotcrete lining with steel sets. The nonlinear analyses of a reinforced shotcrete lining are performed by using fiber beam-column element, which is a forced based element on the Euler-Bernoulli beam theory. The constitutive model ...
Reference: IACSIT International Journal of Engineering and Technology, Vol. 5, No. 6, December 2013
<p>During tunneling in loose grounds, the ground deformation caused by drillings around the tunnel, leads to land subsidence and the adjacent tunnel which would affect tunnel structure and surrounding structures. In such situations it is necessary to improve ...
Reference: Open Journal of Civil Engineering, 2016, 6, 156-162
Since the advent of New Austrian Tunneling Method (NATM), shotcrete as a primary means of support in tunnels has been widely applied. It’s most important features are durability, speed of application and cost effectiveness. This paper introduces some tables ...
Reference: 30th International Conference on Ground Control in Mining
This communication deals with the effect of tunnel face reinforcement on the wall convergence and on the loads in the lining, studied by means of a homogenized anisotropic model for reinforced ground. While the tunneling process is generally handled in a plane ...
Reference: Numerical Methods in Geotechnical Engineering – Benz & Nordal (eds) 2010 Taylor & Francis Group, London
The convergence-confinement method (CCM) for simulating NATM tunnels using plane strain finite element method was in the paper evaluated by comparison with fully 3D simulations. Three real shallow tunnels in urban environment in different stiff clays were ...
Reference: INTERNATIONAL CONFERENCE UNDERGROUND CONSTRUCTION "TRANSPORT AND CITY TUNNEL", PRAGUE 2010, S
<p>The LDP of two-stage excavation is analysed by 3DEC and verified against measured data of the upper side walls in Zipingpu Tunnel in China. Furthermore, the difference of LDP between full face excavation and two-stage excavation is investigated by 3DEC ...
Reference: 5th International Conference and Exhibition on Mass Mining, Lule, Sweden, 2008
<p>Falls of Ground is one of the highest causes of incidents, accidents and fatal injuries in our mines today. <br />These falls of ground may occur as soon as the face is exposed after blasting or after machine cutting. The falls of ground can also occur ...
Reference: Narrow Vein and Reef 2008