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TigerGuy
Geotechnical
- Apr 29, 2011
- 2,115
Why do people not understand the need of quality subsurface investigations?
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When, as I’ve heard, Portland’s Tri-Met was preparing to build the tunnel through the West Hills the Geotech had worked up the subsurface conditions under the two tracks of the east approach. The approach wasn’t straight but managed to straddle a long defunct creek bed. Addressing that slowed getting the boring machine into the rock.Tomfh said:The ground has lots of surprises.