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I posted this (accidentally) in the Civil section and not geotechnical, but hopefully I hit my target audience this time. Mods, please delete the other thread instead of this one. Our firm does frequent geotechnical investigations utilizing hand auger probings with DCP testing in lieu of other...

Thanks for the response. Unfortunately, cutting a large hole in the slab is probably not the best solution. The owner would probably be very upset with me, and I'm not a structural engineer so I can't just patch the hole in the slab and call it good. Additionally, I don't need a bulk sample or...

Raising groundwater should actually help you in terms of consolidation. Long term settlements of clay happen when you lower the groundwater table, which increases the effective stress in lower layers causing settlement. If you want to model this, I would suggest finding a simple consolidation...

Our firm does frequent geotechnical investigations utilizing hand auger probings with DCP testing in lieu of other in-situ testing due to project/site constraints. For us, and maybe many of you, some of the constraints of trying to perform a geotechnical investigation within the footprint of an...