Victoria University - Seismic Strengthening

Located in the Wellington CBD, this project was for a building of Victoria University, the Wellington Faculty of Architecture. Undergoing seismic strengthening in multiple stages, the purpose was to achieve a minimum 80% of the New Building Standards in accordance with NZ guidelines. 

Freyssinet were engaged for three different scopes of supply and install

1. 1r15 additional prestressing anchorages for transversal stressing of 5 grids, consisting of:

- 84no. Freyssinet 1r15 active and passive anchorages

- 1416m of grease and sheathed galvanised 15.7mm diameter 279kN strand

- 42no. 26.5mm diameter Freyssibar, washers and nuts, zinc coated

- 114no. machine grooved 300x150x50mm plates

- 22no. deviators allowing both vertical and horizontal deflection

2. Freyssibars for longitudinal stressing of 3 grids

- 36no. 5.8m long 50mm diameter Freyssibars with nuts and washers, zinc coated

- stressing of the above to 975kN

3. Flatjacking and jacking works on the front facade for load transfer

- 6no. 100t jacks for the propping works

- 6no. 300mm diameter 1010kN flatjacks, permanent appplication with epoxy resin injection