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Publications tagged with [shield tunneling]

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<p>This document aims to offer a guide to the methods for tunnel face stability assessment in mechanized tunnelling and to provide a best practice guideline for face support pressure calculations. Furthermore, the document intends to help with the choice between ...
Reference: German Tunnelling Committee (ITA-AITES)
<p>To the tunnel structure in soft soil foundation, damages are likely caused by large deformation, thus it is more reasonable to measure deformation than to measure force or stress. Although there are many ways to obtain deformation information, measuring ...
Reference: 7th European Workshop on Structural Health Monitoring, July 8-11, 2014. La Cité, Nantes, France
<p>This paper reports the ground improvement and excavation of a cross passage between two shield tunnels for the construction of Tu-chen Line of Taipei Rapid Transit Systems. Jet grouting was conducted for soils around the cross passage before the tunneling ...
Reference: 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
<p>From 1989 to 2010, 20 tunneling projects have been carried out with the Double-O-Tube (DOT) shield tunneling method in the world. In this paper, the DOT shield tunneling for the construction of Taoyuan International Airport Access (TIAA) Mass Rapid Transit ...
Reference: Tunnelling and Underground Space Technology 30 (2012) 233–245
In this study, a BIM model of shield tunnel was established to demonstrate the integration of 3D CAD with inspection records. A MRT structural maintenance database, which includes structural deterioration types, inspection records, and repair methods, was ...
Reference: 2012 Proceedings of the 29th ISARC, Eindhoven, The Netherlands
<p>This paper introduces the method for analyzing settlement data of tunnel in soft soil. The method is applied to the settlement monitoring analysis of some tunnels across the river. In the case study, the longterm monitoring data for shield tunnel settlement ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
<p>Model parameters of conditioned soils in head chamber of shield machine are determined based on tri-axial compression tests in laboratory. The loads acting on tunneling face are estimated according to static earth pressure principle. Based on Duncan-Chang ...
Reference: EJGE, Vol. 14, Bund. K
<p>A new method &ndash; fuzzy system combination neural network was used to estimate ground surface settlements. According to the measured data of Shanghai No.2 Subway, and considering various kinds of factors synthetically, an ANFIS fuzzy neural network prediction ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
<p>The paper discusses the geodynamic challenges and technical countermeasures in the shield tunnel projects passing under an existing railway line, especially for soft ground conditions. Three main issues needed to be solved by the engineering community: ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
<p>In this study, firstly, a series of field monitoring data on earth pressure in soft clay, hard clay and sand ground are analyzed respectively. In the soft clay ground, the earth pressure fluctuated with backfill grouting pressure at first, it settled down ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London