<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 ...

<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, ...

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).

<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 ...