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Publications tagged with [difficult ground]

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The stability of the excavation face of shallow tunnels excavated in difficult ground conditions is currently a relevant problem in the sector for tunnelling and mining. Even though face-reinforcement interventions with fibreglass dowels have proved to be ...
Reference: ACTA GEOTECHNICA SLOVENICA, 2011/2
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”
<p>Secure stability and reliable serviceability of radioactive dump is a difficult engineering problem. Due to difficult geological formations determined mainly by great compressibility, low shear strength of soils, and high ground water level, or great upward ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
<p>The focus of this study is on potential damages to buildings resulting from expansive soils in Tanzania, particularly clay soils in Kibaha. For the fact that most of the affected structures are founded on expansive soils, a clear understanding of the behaviour ...
Reference: Doctoral Thesis, Division of Soil and Rock Mechanics, Department of Civil and Architectural Engineering, Royal Institute of Technology, Stockholm, Sweden 2008
The Lisheen Mine is an underground operation sited in the midlands of Ireland. Using a combination of open stoping and room and pillars 1.5mtpa of zinc /lead ore are mined The ore body is essentially tabular with a general thickness of 3-8metres but with large ...
Reference: 6th International Symposium on Ground Support in Mining and Civil Engineering Construction, an ISRM-Sponsored Regional Symposium
<p>Nowadays a number of tunnels are constructed in urban areas in weak rocks with high or low overburden. In both cases geodetic methods are used to monitor displacements and control stability. In special cases additional other measurement systems are used ...
Reference: Underground Space Use: Analysis of the Past and Lessons for the Future – Erdem & Solak (eds) © 2005 Taylor & Francis Group, London, ISBN 04 1537 452 9
<p>Kuala Lumpur Limestone is well known for its highly erratic karstic features. With the exception of the Batu Caves, exposures of Kuala Lumpur Limestone are found only in tin mines. Such exposures seldom exist nowadays after the closure of the tin mines. ...
Reference: GSM-IEM Forum, Oct 2004
The Gotthard-Base Tunnel will be the worlds longest traffic tunnel, with a length of 57 km. The tunnel is part of the New Alpine Transverse in Switzerland. The dual purpose of this project is to provide a highspeed link for passengers between Germany in the ...
Reference: The 6th annual Tunnelling Conference Sydney 30th & 31st August 2004
This paper is about underground mining of the Perseverance orebody that has always presented significant challenges due to the difficult ground conditions in the weak and altered ultramafic rocks. The range of problems include areas of swelling minerals, intense ...
Reference: Proceedings Massmin 2000, pp 755-764 (The Australasian Institute of Mining and Metalurgy: Melbourne)
Growing needs for modern transportation and utility networks have increased the demand for a more extensive and elaborate use of underground space. As a result, more underground projects have to be completed in a variety of ground conditions, including weak ...
Reference: GeoEng 2000, An International conference on Geotechnical & Geological Engineering, 19-24 November 2000, Melbourne, Austrelia