Ground Improvement in the Christchurch Rebuild – A Contractor’s Perspective

Mark Koelling

The talk will present the perspective of a specialty geotechnical contractor, now active in Christchurch, on the working environment within the ongoing seismic activity of the region.

Ground improvement methods applicable for the lifting/levelling and seismic mitigation of structures will be presented. Several case histories of work performed will be presented to include some aspects of design and construction.

About the speaker

Mark Koelling Keller Ground Engineering

Mark Koelling has over 38 years of geotechnical engineering and construction experience. He received his BS in Civil Engineering from the University of Illinois. For the past 30 years, he has worked for Hayward Baker (Keller Foundation Group), involved with the ground improvement industry in the US. Previously, he has worked for 2 geotechnical consulting firms. He is a registered engineer in the states of Washington and Florida.

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