Soil conditioning for clay soils
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Two of the UK's premier universities, Oxford and Cambridge, are collaborating on a major tunnelling research programme into the effective use of soil conditioning and lubricating agents. Robert Mair, Andrew Merritt and Xavier Borghi of Cambridge University's Engineering Department, and Hiroshi Yamazaki and Toshifumi Minami of Nishimatsu Construction Co. Ltd, describe the research underway.