Pile Tests
Numerous full scale pile tests have been performed under University control in accordance with AS2159 on sands and clay. Data has indicated the performance of screw in foundations can be predicted using conventional Geotechnical theory.
Torque v Load Capacity
The testing program together with research carried out on work performed by Instant Foundations indicates that an essentially linear relationship exists between the installation torque and load capacity. The installation torque is a measure of the shear and frictional resistance of the soil profile when calibrated against test data.
Screwpiles have particular advantages over alternative tension piles due to the large ratio of under-ream diameter to shaft diameter
Engineering Certification
All piles are designed and certified by Instant Foundations (WA) Pty Ltd's certified practising consulting engineer in accordance with the relevant codes.