Category: Towers & Foundations
-
Patrick Henderson foundation
Patrick Henderson foundation is a technology widely used in the States, with thousands of installed foundations, but far less common in Europe. It’s a patented solution that consists of a large diameter, cast-in-place annular pier, with an average diameter of 4.5 m and a depth of about 9m, depending on the soil conditions and the…
-
Wellpoint drainage
Wellpoint system is a solution that we used successfully in a wind farm with serious drainage problems. The soil was made of silty sands, with a very high water table level due to a river nearby. The system consists of several interconnected wells spaced along a trench. All of them are connected to a common…
-
Augercast deep foundation piles
The following pictures are from a wind farm where due to the weak conditions of the subsoil a deep foundation with piles has been necessary, using a technique known as continuous flight augering (CFA). As you can see, with the same machine we drilled and pumped the concrete in the hole. A dry hole has…