The British Geotechnical Association (BGA) is the principal association for geotechnical engineers in the UK.
Past event: Please note this event information is displayed for informational purposes only.
The lecture is based on the paper that won the 2024 BGA Case Histories Award.
This event is planned as an in-person event, and will also be webcast live.
Advance booking is required for both in-person attendance and on-line viewing.
This event is free to attend.
The British Geotechnical Association
29.04.2025
1800 - 1930
Institution of Civil Engineers, One Great George Street, London SW1P 3AA
Advance booking is required for both in-person attendance and on-line viewing.
BGA Meetings
Tea and Coffee will be available from 17:30
This talk presents the monitoring and performance assessment of a 12m deep excavation for a waste storage bunker at the PROTOS energy-from-waste facility in Chester, UK. The excavation was supported by a complex combi-wall cofferdam with internal bracing and a reinforced concrete capping beam. Real-time monitoring of wall deflections, bracing loads, and water levels provided critical insights into the system’s performance, informing construction decisions and mitigating risks. The findings highlight how high structural stiffness, deep embedment, and effective groundwater control contributed to the safe and efficient delivery of the project in challenging ground conditions.
Laing O’Rourke Associate Professor of Construction Engineering, Director of the Centre for Smart Infrastructure and Construction, University of Cambridge
Design Engineer, Ward & Burke Construction
Senior Geotechnical Engineer, Mott MacDonald
Ward & Burke provides a full range of temporary / permanent works and construction engineering services across multiple sectors
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Widely viewed as the most prestigious of the invited lectures in geotechnics and was first held in 1961.
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