Transcription of JACKED BOX TUNNELLING - Norwich Engineering Society, …
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JACKED BOX TUNNELLING Using the Ropkins SystemTM, a non-intrusive TUNNELLING technique for constructing new underbridges beneath existing traffic arteries DR DOUGLAS ALLENBY, Chief TUNNELLING Engineer, Edmund Nuttall Limited JOHN W T ROPKINS, Managing Director, John Ropkins Limited Lecture presented at the Institution of Mechanical Engineers Held at 1 Birdcage Walk, London On Wednesday 17 October 2007 Institution of Mechanical Engineers 2007 This publication is copyright under the Berne Convention and the International Copyright Convention.
Jacked Box Tunnelling using the Ropkins System TM, a non-intrusive tunnelling technique for constructing new underbridges beneath existing traffic arteries Dr Douglas Allenby BSc(Hons) PhD CEng FICE FIMechE FGS, Chief Tunnelling Engineer, Edmund Nuttall Limited
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