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ground freezing, Tag
- Tech Talk: Ground Freezing to Stop Water Flow and Strengthen Soil Sun, 3 Oct 10, 11:42pmLast time I wrote about grouting of ground in order to either strengthen it, or to stop water flowing through it. Grouting is something that is often carried out during the driving of the tunnel or shaft, so that the effects...
- Tech Talk: Using heat to refine kerogen from oil shale Mon, 29 Mar 10, 2:01amOne of the problems with the oil (kerogen) in oil shale is that it is not mature enough (i.e. close enough to being an oil) that it will easily flow through the rock. In earlier parts of this particular theme, I have written...
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