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<p>Prior to 2012, the integration of designed vertical or horizontal curves into microtunnel alignments was unheard of in Ontario. Straight and relatively short microtunnels, less than 200m long, were the local accepted industry standard. Following the ...
Reference: Tunnelling in a Resource Driven World, Vancouver TAC 2014, 26-28 Oktober 2014
<p>The pipe jacking method is commonly used in Hong Kong for construction of underground cable duct crossings and stormwater drains. The method minimizes the disturbance to or interference with the activities and facilities on the ground surface. In this paper, ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
This paper introduces the application of the pipe jacking techniques used in the construction of the first biggest tunnel for electrical power distribution between Lard Prao and Viphavadi Terminal Stations for Metropolitan Electricity Authority (MEA).
Reference: International Symposium on Underground Excavation and Tunnelling, 2-4 February 2006, Bangkok, Thailand
 
<p>This 80 page guide is a remarkable collaboration between clients, designers, contractors, manufacturers, research organisation and academia. Based on the results of six years of field studies and over ten years of research at Oxford University Department ...
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Soil conditioning techniques are used to alter the properties of soils to make them more suitable for excavation by tunnel boring machines. Conditioning agents include foams, polymers and bentonite slurry, either alone or in combination. Conditioning agents ...
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