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Evaluation of seismic performance of buildings and infrastructure
(New Zealand Society for Earthquake Engineering, 2021-04-14)
Observations from the Canterbury and Kaikoura earthquakes are used to illustrate some important factors that often govern the seismic performance of ground, buildings and infrastructure. The talk examines some of the ...
Monitoring of lateral stiffness changes for a real building using hysteresis loop analysis
(New Zealand Society for Earthquake Engineering, 2021-04-14)
The BNZ building in Wellington, New Zealand was significantly damaged, and eventually demolished, due to the cumulative impact of three main earthquakes between 2013 and 2016. Although the building was equipped with a set ...
Impact of Canterbury earthquakes on the evolution of earthquake geotechnical engineering practice
(New Zealand Society for Earthquake Engineering, 2021-04-14)
Earthquake geotechnical engineering practice has evolved in New Zealand during the past 40 years. The 2010-2011 Canterbury earthquakes provided significant impetus to the research and practice.
Early evolution commenced ...
SESOC Software – Seismic Design Tools
(New Zealand Society for Earthquake Engineering, 2021-04-14)
SESOC has accumulated a number of structural software design programs, over time, which we actively maintain/enhance, also on occasion developing a new tool for the benefit of our members – and the NZ design fraternity.
This ...
Upper and lower bound force capacity estimates of lead extrusion damper design force using classical extrusion models
(New Zealand Society for Earthquake Engineering, 2021-04-14)
To reduce seismic vulnerability and the economic impact of seismic structural damage, it is important to protect structures using supplemental energy dissipation devices. High force to volume (HF2V) devices are supplemental ...
Strength requirements for non-structural components responding nonlinearly under earthquake excitation
(New Zealand Society for Earthquake Engineering, 2021-04-14)
This study develops a practice-oriented method to design non-structural components and their restraints to lower strengths than needed to remain elastic under earthquake ground motion by permitting nonlinear non-structural ...
Seismic behaviour of a non-linear structure with passive D3 viscous damper
(New Zealand Society for Earthquake Engineering, 2021-04-14)
Passive Direction Displacement Dependent (D3) viscous damper is a next generation of the conventional viscous damper could provide damping force in any desired quadrant to provide wanted damping hysteresis loop. This ...
Liquefaction Risk Analysis of Native and Reclaimed Soil Deposits in Central Wellington
(New Zealand Society for Earthquake Engineering, 2021-04-14)
Following the 2016 Kaikōura earthquake, severe and damaging liquefaction was observed at the port of Wellington in areas of reclamation fills built at the beginning of or mid 20th century. However, little or no damage was ...
The Optimised Sliding Hinge Joint (OSHJ): Design, Detail, and Implementation in Practice
(New Zealand Society for Earthquake Engineering, 2021-04-14)
The Optimised Sliding Hinge Joint (OSHJ) is a low-damage, resilient, versatile, and cost effective seismic resisting system developed primarily for Moment Resisting Steel Framed (MRSF) buildings. The OSHJ is the optimized ...
Simplified numerical modeling of reinforced concrete columns with smooth rebars
(New Zealand Society for Earthquake Engineering, 2021-04-14)
Pre-1970s concrete buildings in New Zealand were commonly constructed with smooth longitudinal reinforcing bars. The NZSEE guideline for the seismic assessment of existing buildings (NZSEE C5) recognizes that the seismic ...