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Publications tagged with [tunneling]

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<p>A major research project investigating the effect of tunnelling on existing tunnels has been completed at Imperial College London. This subject is always of great concern during the planning and execution of underground tunnelling works in the urban environment. ...
Reference: IOM3 Hong Kong Branch, Underground Design and Construction Conference 2015
<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
<p>A Dynamic Bayesian Network (DBN) model for probabilistic assessment of tunnel construction performance is introduced. It facilitates the quantification of uncertainties in the construction process and of the risk from extraordinary events that cause severe ...
Reference: Manuscript accepted for publishing in J. of Computer Aided Civil and Infrastructure Engineering
<p>The expansion of urban populations comes with an associated demand for increased public transport. An often utilised solution is to construct a rapid transit system within tunnels. Generally, a pair of tunnels are constructed within relative close proximity. ...
Reference: Eurofuge 2012
<p>Traffic congestion and environmental factors are creating a demand for greater utilization of underground spaces in urban areas. In mechanized excavation of subway tunnels, the Earth Pressure Balanced Shield (EPBS) has been developed in the recent decades ...
Reference: First Asian and 9nth Iranian Tunneling Symposium, November 2011, Tehran - Iran
This paper aims to provide a correlation between the two quality indexes, with the intention of supplying a tool to aid in both the design phase and the daily control of work execution. The formulas were obtained from the on-site observation of rocky masses ...
Reference: Revista de la Construcci? Volumen 9 No 1 - 2010
Sulphatic claystones exhibit a heavily swelling behavior and are among the most problematic rocks for tunnelling. Their swelling is usually attributed to the transformation of anhydrite to gypsum. The paper questions this simplistic hypothesis through a qualitative ...
Reference: 59th Geomechanics Colloquy 2010 Session on “Tunnel construction in swelling ground”
The paper studies the accuracy of 3D finite element predictions of a displacement field induced by NATM tunnelling in stiff clays with high K0 conditions. The studies are applied to the Heathrow express trial tunnel. Two different constitutive models are used ...
Reference: February 4, 2009 Revised version of the paper submitted to ASCE JGGE
An essential characteristic of this stretch is that it has been built under the water table by excavating in very heterogeneous soils, composed of granular soils and rocks of considerable resistance which has created numerous problems during the construction ...
Reference: ITA Congress, Budapest, 2009
The Srisailam Water Tunnel-1 is 43.5km long as it crosses the Amrabad plateau which contains a wildlife sanctuary and the Rajiv Gandhi Tiger Reserve. This scheme has been planned since 1983 to provide irrigation facilities to the drought ridden areas of Nalgonda ...
Reference: Hong Kong Tunnelling Conference 2009