Screw pile construction for lift foundation

Lifts

title of object: 24 Ārzenes street, Riga

Specification of screw piles: Two blade screw pile, length 9m, screw pile square pile 80x80x6, steel mark S355J2H, blades d=400mm, thickness 10mm, steel mark S355

Number of screw piles: 3 pieces.

Designers load on screw pile: 15t  (150Kn), verified statical load 18t (180Kn)

characteristics of object:

Screw pile technology was chosen in object due to poor soil. Screw piles were assembled under lift foundation foot. After assemblance of screw pile grillage was constructed that was connected with top of pile. If screw pile technology was not implemented in this object, for prevent lift foundation settlement, change of soil would be necessary, if standard concrete foundation was used, that would be time consuming and expensive process.