Investigation and modeling of the Avondale Bridge in Christchurch, New Zealand Erickson Nguon University of Auckland, New Zealand June 10, 2013.

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Presentation transcript:

Investigation and modeling of the Avondale Bridge in Christchurch, New Zealand Erickson Nguon University of Auckland, New Zealand June 10, 2013

Project Overview The objective of this project is to investigate and model bridges, specifically the Avondale Bridge in Christchurch. The bridge suffered severe structural damage following the 2011 Christchurch Earthquake. To create computer generated models of the bridges in SAP2000 with loadings that reflect the Christchurch Earthquake and with this model we can validate it by comparing the data from the model and the actual earthquake.

Recent Progress Began modelling the south abutment and pile of the Avondale Bridge in SAP2000 Defined the nodes of the abutment and pile model, degrees of freedom, cross- sections of abutment and pile, and attached spring links resembling the soil Figure 1:SAP2000 model of the abutment and pile with springs connecting both the abutment and pile.

Projected Progress Meet with Liam to review my recent progress of the model bridge Progress on modelling the north abutment of the bridge

Howick Golf Course

Captain AdamsThe Team: Tony, engineer from URS, Marta, Dmytro, and Erickson Christchurch Dmytro, Marta, Tony, and I flew down to Christchurch to extract stone and mortar samples from various structures. We extracted samples from a chapel, church/graveyard, St. Lukes, Arts Centre of Christchurch, and Fort Jervois. Trunk load of stone, concrete, and mortar samplesA cathedral post earthquake

Leaving Lyttleton Port Arriving at Fort Jervois to extract stone and mortar samples Dmytro extracting mortar samples from Fort Jervois Fort Jervois

House near Avondale Bridge that sunk into the soil due to liquefaction. The gutter on the roof was only about 7 feet. Avondale Bridge north abutment; the south abutment is under construction