ELIMINATION OF THE CONSEQUENCES OF SEISMIC ACTIVITY AND RESTORATION WORKS
- Focus
- Lifting and aligning structures
- Location
- Christchurch, New Zealand
- YEAR
- 2011 y.
- TECHNOLOGY
- VOID FILLING
SUMMARY
The earthquake caused an uneven subsidence of 10 to 42 mm in various areas of a residential building and a garage in Christchurch, which had to be re-leveled so that residents could live safely in the house.
GOALS
The 136 m² houses and the adjoining 60 m² garage needed to be re-leveled. To organize the work by GeoResin, it was necessary to obtain a proper permit. After the Christchurch earthquake, soft silt was present at the site. Timely communication between the homeowner, insurance company and the consulting engineer was critical. The goal was to re-level the house and adjoining garage.
APPLIED TECHNOLOGY
Depth injection (UDI) performed by GeoResin was a suitable method to provide the required load-bearing capacity under the 13 "bowls" supporting the house. GeoResin also used Slab Lift (USL) technology to realign various parts of the home and garage. Repair and restoration work performed by GeoResin was carried out within 11 days.
TOTAL
The buildings were re-aligned within a 1.5 mm tolerance and the homeowner was able to return to the home. Faced with the choice to demolish the house or carry out a “lengthy” renovation, the homeowner concluded that engaging GeoResin was a more cost effective and time-saving solution to earthquake damage.
