A type of deep foundation system that supports various structures. Helical piers (aka helical piles, screw piles and ground anchors) are screwed into the soil, instead of being buried or rammed in ...

German inventor Klaus Krinner, who created a Christmas tree stand that bears his surname in 1987, was given the humble task ...

From the outset of the project, the Board had considered installing screw piles through the cast iron shells of the tunnels that would be secured to the solid bedrock underneath the silt ...