Concrete and the Energy Market

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For details on upcoming Concrete Institute of Australia events, please see the CIA website:  or contact Sonya Watts at the WA Branch office on (08) 9389-4447 or [email protected].

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Thursday, 13 August 2020
2:00 PM - 3:00 PM


Zoom Webinar , Online, WA CIA


In this seminar, our speakers will provide an insight into the construction of concrete foundations for Wind Turbine Generator (WTG) foundations.  Given the move towards greener energy sources, wind farms have grown in popularity over the years with more than 35% of the clean energy in Australia coming from wind generation in 2019 and the Clean Energy Council noting wind power as the cheapest source of large-scale renewable energy. These projects are generally in remote areas and involve the use of mobile batch plants. 


CIA Members $33.00 CIA Student Members $22.00 CIA Retired Members $22.00 Non Members $55.00


Mr. Joel Brown
Senior Structural Engineer - WGA

Mr. Thomas Bak
Head of Global Sales - Oestermark


An Introduction to Wind Turbine Generator (WTG) Foundations (presented by Joel Brown)

Given the move towards greener energy sources, wind farms have grown in popularity over the years with wind power now being considered as the cheapest source of large-scale renewable energy.  This presentation aims to provide an overview on the design of wind turbine generator foundations and the common challenges encountered when constructing them.  The topics covered in this presentation are easily transferred to other projects which involve deep concrete pours, or projects in a rural area.  Come for an introduction to this interesting and emerging market. 

With evolving technology brings bigger turbines, leading to larger foundations. Pours are regularly over 600 m3 for a single footing and could soon be in the order of 1000 m3. With this comes several challenges with both the design and physical construction. It is these challenges which will be explored more in-depth in this session. High strength grouts are commonly used to assist in transferring the loads from the steel tower and into the concrete foundation, and these products suffer from the same challenges as the foundation pours. These specialist grout products require care and experience to place correctly. This seminar will cover the key factors which affect the grout performance, including mixing ratios, on-site temperatures and wind speeds when pouring. The nuances of these projects are often misunderstood and can lead to long term maintenance requirements and in the worst case, demolition and reconstruction of foundations or grout pockets. We aim to give you the tools to avoid this!

“Wind Farm Grouting – How Hard Can it Be?” (presented by Thomas Bak )
  • What is grouting in a wind tower foundation and its purpose
  • Anchor cage pocket vs grout ridge above concrete design – pros and cons and lessons learned over the last 25 years
  • Sealing and its impact on the total life-cycle cost
Thomas Bak has been the Head of Global Sales for Oestermark Grouting since January 2016. Most recently he has been appointed as Director and has also joined as one of the Owners of the privately-owned international Grouting Services company. Prior to joining Oestermark Grouting, Thomas was the Fosroc Area Sales Manager. In his roles both in Oestermark Grouting and Fosroc, Thomas was responsible for developing international key-account relationships within the grouting and wind turbine industry, as well as identifying product innovations. His experience over the last 8 years in grouting materials and their applications in the growing global Wind Farm Industry, has led to Thomas becoming an expert in the field of wind farm grouting and repairs.


The webinar will run from 2.00 - 3.00pm and is based Australian Eastern Standard Time. Delegates will be sent login details and a password for this webinar prior to the event by email.

Times for all States:

NSW/VIC/QLD/TAS/ACT  2.00pm to 3.00pm
SA/NT 1.30pm to 2.30pm
WA 12.00pm to 1.00pm

Communication Devices

Please note that audio and video recording or taking photographs is prohibited during this event without express approval from the Concrete Institute of Australia.

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