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Application of the Geotechnical Step-Change Provisions of the 2017 MBIE Guidelines for the Seismic Assessment of Buildings
(New Zealand Society for Earthquake Engineering, 2021-04-14)
The Seismic Assessment of Existing Buildings, Technical Guidelines for Engineering Assessments (“the Guidelines”) provides engineers with a consistent means to assess the seismic behaviour of existing buildings with respect ...
Hazard-consistent collapse risk assessment of steel moment frame buildings in Wellington
(New Zealand Society for Earthquake Engineering, 2021-04-14)
This study evaluates the seismic collapse risk of two modern ductile steel moment frame buildings designed as per the NZS 1170.5 seismic design standard. A four and twelve storey steel moment frame buildings located in ...
A Typical Commercial Low Rise Structure - Case Study
(New Zealand Society for Earthquake Engineering, 2021-04-14)
The Case study building was designed and built in 2003. The building is a single storey rectangular shaped 25m x 21m steel portal frame structure with precast concrete panels. The building is typical of a modern commercial ...
An automation approach to the seismic assessment and strengthening of unreinforced masonry buildings
(New Zealand Society for Earthquake Engineering, 2021-04-14)
Large scale seismic assessments in areas of dense unreinforced masonry buildings (URM) is a significant challenge for structural engineers. URM buildings respond to earthquake excitation with a variety of mechanisms as ...
Base isolation: the good, the bad and the ugly
(New Zealand Society for Earthquake Engineering, 2021-04-14)
In the light of the recent Christchurch and Kaikoura earthquakes and the life safety and economic uncertainties they pose, the need for “low damage design” has become more important. In theory a “low damage design” should ...
Cyclic behaviour of hold-downs using mixed angle self-tapping screws in Douglas-fir CLT
(New Zealand Society for Earthquake Engineering, 2021-04-14)
Long self-tapping screws are now commonly used in mass timber construction in New Zealand and globally due to their high strength and ease of installation on site. Under axial loads, self-tapping screws are strong and stiff ...
Identifying attributes influencing failure mechanisms in unreinforced masonry buildings using machine learning
(New Zealand Society for Earthquake Engineering, 2021-04-14)
Unreinforced masonry buildings comprise a major part of New Zealand's built heritage and were significantly damaged during the 2010-2011 Canterbury Earthquake sequence. There were 627 URM building assessed in the surveys ...