Lessons from the Monitoring Period at Christchurch Northern Corridor Abstract Settlement monitoring of the Christchurch Northern Corridor included detailed road surveys completed using a Mobile Laser Scanning (MLS) system. By combining survey control, a high accuracy Mobile LiDAR system and adapted processing techniques, the solution…
ABSTRACT The Mw6.2 22 February 2011 and Mw6.0 13 June 2011 earthquakes caused significant and wide-spread damage to the Christchurch infrastructure networks, including the Christchurch water networks (potable, waste, and storm). The transient and permanent ground deformations generated by these two earthquakes severely damaged buried…
ABSTRACT Sumner Road between Lyttelton to Evans Pass was severely affected by rockfall as a result of the 2010-2011 Canterbury Earthquake Sequence. Approximately 2 km of Sumner Road was closed to all traffic following the 22 February 2011 earthquake. Sumner Road was used as a…
ABSTRACT In 2011, rockfalls made Sumner Road near Christchurch unsafe and the road was closed to all traffic. This 2.5 km-long Christchurch City Council operated road, an important alternative route to the Lyttelton Tunnel, sustained extensive damage due to rockfall and retaining wall failures during…
ABSTRACT Following the 2010/2011 Canterbury Earthquake Sequence, thousands of Cone Penetration Tests were carried out to inform geotechnical engineers about soil conditions. Nearly 1000 piezometers were also installed to monitor shallow groundwater. These provided information with unprecedented spatial resolution, and depth to groundwater maps led…
ABSTRACT The Jeffreys water supply pump station comprises replacement of the earthquake-damaged 200m3 concrete suction tank with a new 500m3 tank. Ground conditions at the site predominately comprise interbedded alluvial silt and sand in the surficial 8.75m, underlain by dense sandy gravel. Surficial soils…
ABSTRACT Following the Canterbury Earthquake Sequence (CES) between 2010 and 2011, a number of the fire stations in the Canterbury area were severely damaged. The key aspect for the fire stations rebuild design was the philosophy of rebuilding with resilience, where the geotechnical design…
As they flew along the newly formed Greendale Fault in September 2010, there were many things that Dr Simon Cox and his GNS Science colleagues could see were clearly awry during the first aerial reconnaissance. But among the offset roads, bent hedgerows and fences, torn…
This paper was prepared for the NZGS 2020 Symposium and will be presented at the rescheduled meeting ABSTRACT Sumner Road between Lyttelton to Evans Pass was severely affected by rockfall as a result of the 2010-2011 Canterbury Earthquake Sequence. Approximately 2 km of Sumner Road…
The 1st Christchurch regional YGP one day symposium was held on 21 June 2019. It was an absolute success with overwhelmingly positive feedback. The event was made possible by the sponsorship of Geotechnics, WSP-Opus and NZGS. In total, 20 people were in attendance from…
