Patent Number: 8,794,876

Title: Device and method for surveying jet grouting piles in the ground

Abstract: A device and a method for surveying jet grouting piles in a subsoil, which is suitable for a drilling and grouting linkage assembly for creating a hole and a jet grouting pile in a region of the hole. A measurement device is integrated in the drilling and grouting linkage assembly and comprises a scanning element that is movable from a retracted position to an extended position. The scanning element is deflected inside the measurement device through a retraction and extension housing mounted on the measurement device. The scanning element comprises at least in segments a shape-memory alloy.

Inventors: Schneider; Nikolaus (OT Wildenbruch, DE)

Assignee: GuD Geotechnik und Dynamik GmbH

International Classification: E02D 7/24 (20060101)

Expiration Date: 8/05/12018