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Advanced FEA assessment of existing concrete floor diaphragms with low-ductility steel reinforcement
(New Zealand Society for Earthquake Engineering, 2020-04-22)
Diaphragms are primary structural elements which are crucial to the structural stability of buildings. Despite the known deficiencies of diaphragms reinforced with cold-drawn steel mesh, their reliable strength and ...
Source modelling considerations for ground motion simulation validation of moderate magnitude active shallow crustal earthquakes in New Zealand
(New Zealand Society for Earthquake Engineering, 2020-04-22)
This paper summarises progress toward NZ-wide physics-based hybrid broadband ground motion simulation validation of moderate magnitude (5.0 < Mw < 7.0), active shallow crustal earthquake events through low spatial resolution ...
Concept design of a steel frames post-disaster shelter utilising containers
(New Zealand Society for Earthquake Engineering, 2020-04-22)
Nowadays, numerous earthquakes happen every year with many resulting in large potential aftershocks. Tents and portable dwellings are widely used as emergency shelters. However, tents can only be used for days or weeks, ...
Towards a better understanding of the development of the strength in Asymmetrical Friction Connections (AFCs)
(New Zealand Society for Earthquake Engineering, 2020-04-22)
In the current design practice, the strength of Asymmetric Friction Connections (AFCs) is calculated considering the friction force developed at both sliding interfaces using the bolt tension reduced by the moment – shear ...
Introducing a low damage system incorporating rocking braced frame and resilient slip friction joint as a shear key
(New Zealand Society for Earthquake Engineering, 2020-04-22)
In this paper, to achieve a self-centring damage avoidance rocking framed system, RSFJ has been employed as a shear link between braced frame and its boundary columns. Such a system could be used for a single or coupled ...
Finite element method for designing HF2V device force capacity
(New Zealand Society for Earthquake Engineering, 2020-04-22)
Supplemental energy dissipation devices are increasingly used to protect structures, limiting loads transferred to structural elements and absorbing significant response energy without sacrificial structural damage. High ...
Structural engineering observations from the 26 November 2019 M6.4 Albanian earthquake
(New Zealand Society for Earthquake Engineering, 2020-04-22)
The Mw 6.4 earthquake that occurred near the city of Durres, located on the west coast of Albania, may be considered small in comparison to the design earthquake, yet it caused an enormous amount of damage to buildings. ...
Review of recently constructed buildings that combine steel frames and concrete walls
(New Zealand Society for Earthquake Engineering, 2020-04-22)
Recent building construction in New Zealand has exhibited an increase in the use of structural steel due to its availability and perception of good seismic performance. Despite the renewed popularity of structural steel ...
Modelling of vertical control in magnetic levitation for building isolation during earthquakes
(New Zealand Society for Earthquake Engineering, 2020-04-22)
Earthquakes cause significant damage to buildings due to strong vibration of the ground. Levitating houses using magnets and electromagnets would provide a complete isolation of ground motion for protecting buildings from ...
Earthquake Science at University of Otago
(New Zealand Society for Earthquake Engineering, 2020-04-22)
Since the establishment of University of Otago’s Earthquake Science Chair in early 2016, our activities have been multidisciplinary, comprising: paleoseismology; earthquake statistics; ground motion simulations; seismic ...