tag:blogger.com,1999:blog-9020935292186960688.post2062806790424418988..comments2024-03-27T06:23:17.641-04:00Comments on Ontario-geofish: Niagara Tunnel: Doing It Right - Part 1Harold Asmishttp://www.blogger.com/profile/06458639605880944167noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-9020935292186960688.post-30354751659212947062009-03-25T16:18:00.000-04:002009-03-25T16:18:00.000-04:00I'll incorporate it into my fantasy.I'll incorporate it into my fantasy.Harold Asmishttps://www.blogger.com/profile/06458639605880944167noreply@blogger.comtag:blogger.com,1999:blog-9020935292186960688.post-14334392128894271112009-03-25T11:09:00.000-04:002009-03-25T11:09:00.000-04:00I found this on the Google.The section on the Uppe...I found <a href="http://books.google.ca/books?id=5D0SpiaDRTIC&pg=PA309&lpg=PA309&dq=TBM+performance+in+shale&source=bl&ots=7Pq8RIX8my&sig=ifV2NAV2GAx7k3_i7ansZ5_b9h4&hl=en&ei=n0XKSbXsG4PinQeU95mVAw&sa=X&oi=book_result&resnum=6&ct=result#PPA311,M1" rel="nofollow">this on the Google.</a><br><br>The section on the Upper Rouge Tunnel project (pg 302 - 310 or so) sounds like similar conditions to Becky. They have chosen Finger shields and a double pass concrete liner system rather than the shotcrete approch. Care to comment?Anonymousnoreply@blogger.com