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<p>Measurements on back-fill grouting at Groene Hart Tunnel (GHT) are described and analysed. The research utilises TBM data, monitored grout pressures and measured rheological properties of tunnelling fluids. Grout injection strategy and vertical grout pressure ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
Electrical Resistivity Tomography (ERT) profiles along the axis of both tunnels. Also several geophysical investigation methods have been applied, in order to allow a good knowledge of the rock mass. In situ geotechnical tests have been also carried out, yielding ...
Reference: ITA-AITES World Tunnel Congress 2007 - Underground Space - the 4th Dimension of Metropolises
<p>During the planning of the Mae Ngad-Mae Kuang project a comprehensive geological/geotechnical investigation program led to an optimization of the alignment with respect to technical and environmental risks. Different options for the construction of the ...
Reference: "International Symposium on Underground Excavation and Tunnelling, 2-4 February 2006, Bangkok, Thailand"
<p>It is very important to explore weak geological bodies and structure with geophysical and engineering geological exploration and integral interpretation to detect the geological structure, rock properties and the water bearing characteristics that may affect ...
Reference: CHINESE JOURNAL OF GEOPHYSICS Vol.49, No.6, 2006, pp: 1676∼1683
This paper presents the methodology used to characterise the weaker zones of Le Perthus tunnel. Two phase investigation, one with in situ and laboratory testing and second with pilot tunnel.
Reference: Tunelling under difficult conditions. 1-901808-01-7. ITC, London 1997
This paper presents the value of a good geotechnical model for underground works and how this can be achieved.
<p>To investigate traffic tunnel ventilation flows, a scaled model of a traffic tunnel with longitudinal ventilation system based on ducted fans is used. Flows in tunnels are influenced by tunnel geometry, fan characteristics, ventilation operation scenario, ...
Reference: THERMAL SCIENCE, Year 2016, Vol. 20, No. 1, pp. 209-221