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CS Expansion Joints for Minor and Major Seismic Movements

20 Jul 2022 by Construction Specialties

When it comes to earthquakes or seismic movements, overall, we are relatively lucky in Australia compared to other more volatile parts of the world, especially with our friends in New Zealand.

But you might not realise that even in Australia there are many minor earthquake movements each year that can impact buildings, even on a small scale. Although we do not experience many larger movements in Australia, like the tragic Newcastle NSW 1989 event, there are lots of minor tremor events which add to the case for correctly designing seismic isolation and movement separation, particularly building expansion joints. It is important to correctly detail these separations with fire barriers, water stops and expansion joint covers, to accommodate and absorb all the expected movement demands. This will reduce the risk of significant building structure damage internally and externally so such events can occur and seamlessly not affect the operation and safety of the building.

Construction Specialties (CS) have a very extensive range of commercial expansion joint solutions for all types of buildings and interior designs. The range covers small to larger style covers that can be integrated into the floor or integrated with the building floor material. In addition, the CS range covers seismic joint solutions for walling and ceiling applications. In addition to extensive global project experience, more regionally, CS products were extensively used in the New Zealand Christchurch redevelopment after the major earthquake event of 2016.

Many of the CS expansion joint products are heavily tested in accordance with global standard ‘Standard Test Method for Cyclic Movement and Measuring the Minimum and Maximum Joint Widths of Architectural Joint Systems’, which covers all forms of architectural joint systems, such as in flooring, walls and ceilings.

When it comes to understanding seismic activity in Australia and the wider Pacific region, you can actually track Earthquake events with the help of the Australian Government Geoscience Australia department which tracks all seismic events in Australia and worldwide. There is a tab on their web site ‘Recent Earthquakes’ which lists all recent seismic events. There is also a long-term perspective for the whole Southern Pacific region showing earthquake events in yellow dots over the past 30 days and white dots over last 10 years. The bigger the dot the bigger the magnitude.

Some recent minor seismic event examples across Australia include;

  • More recently on the 5th May 2021 there was a 3.2 earthquake centered 19 km south of Jindabyne NSW, near the Snowy Mountains region, with some news stories;
  • https://earthquakes.ga.gov.au/event/ga2021itqocb
  • https://www.canberratimes.com.au/story/7239355/earthquake-recorded-south-of-jindabyne/
  • https://www.theaustralian.com.au/breaking-news/magnitude-32-earthquake-strikes-near-jindabyne/news-story/a3f5ef30725919bd8625437233d4ecfb
  • https://www.volcanodiscovery.com/earthquakes/quake-info/6231671/quake-felt-May-5-2021-Near-Kosciuszko-National-Park-New-South-Wales-Australia.html
  • In Maldon VIC, north-west of Melbourne, there was a minor tremor 27/5/21.
  • In QLD, north-east just off-shore, there was a minor tremor 5/3/21. Up in north QLD in the Bowen Basin region between Gladstone and Townsville there were many minor tremors the last few months.
  • In Quairading WA, east of Perth, there was a minor tremor 30/5/21.
  • In Morgon SA, north east of Adelaide, there was a minor tremor 30/5/21.

Below we have highlighted some of our stand out expansion joint covers for commercial buildings. These not only ensure there are minimal trip hazards and normal expansion and contraction, but in the case of potential seismic activity you can rest assured that you have covered all options.

Below we have highlighted some of our stand out expansion joint covers for commercial buildings. These not only ensure there are minimal trip hazards and normal expansion and contraction, but in the case of potential seismic activity you can rest assured that you have covered all options.

SGP Series

CS Expansion Joints for Minor and Major Seismic Movements

ALL-ROUND COVER FOR LARGE JOINTS. The hygienic, co-extruded gaskets offer added thermal movement and water resistance to wet floor cleaning.

SGR Series

CS Expansion Joints for Minor and Major Seismic Movements

LARGE JOINTS SUPERBLY CONCEALED. Seismic cover conceals even large joints in surrounding floor finishes thanks to its recessed central plate that accepts carpet and vinyl flooring.

SSR Series

CS Expansion Joints for Minor and Major Seismic Movements

A large seismic expansion joint cover that appears to be virtually invisible. Suitable for interior and exterior applications.

SJP Series

CS Expansion Joints for Minor and Major Seismic Movements

CLEAR-CUT COVER FOR LARGE JOINTS. A sleek, seismic, all metal cover for large expansion joints. 


Filed Under: Blog

Tagged With: Expansion Joint Covers

Construction Specialties
Australia
Our vision, “Creating products that make buildings better”  is one that we take very seriously. We make products that help form life spaces in which people work, learn and receive healthcare. The makeup of the products, the process by which they are made, and our behaviours are all led by our vision.Founded in the United States, CS has been a global manufacturer and supplier of a range of specialist building products for over 70 years. Operating through 25 offices worldwide, with key manufacturing locations or sales offices in most European countries, we employ over 2,000 people.With 40+ registered product patents, our product ranges include wall protection systems, entrance matting systems, specialist coatings for walls and floors, expansion joint covers, solar shading, louvres, cubicle curtain track and pressure relief systems. These have been successfully installed in many of the world’s most prestigious buildings, across a spectrum of business sectors including healthcare, transport, retail, education, leisure and commercial offices. CS has been operating in Australia for over 30 years and our products have been chosen to feature on hundreds of major construction works across the country including the National Art Gallery, the Australian National University, the Sydney Domestic Terminal, the Royal Prince Alfred Hospital, the Victorian Desalination Plant and the Chris O’Brien Lifehouse.

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