Conservation techniques and the Denge sound mirrors

… One of the largest projects funded by the Aggregate Levy Sustainability Fund and managed by English Heritage was concerned with stabilizing these structures and undertaking research into their repair.

This paper aims to outline the conservation approach to the project and to detail the concrete repair techniques trialled. It also highlights some pointers for the repair of twentieth-century concrete based on the advice of a master mason and a concrete repair contractor. Finally, the long-term monitoring that is in place for the carbonation inhibitors and cathodic protection systems that are installed on these structures are detailed.

The Listening Mirrors – A Conservation Approach to Concrete Repair Techniques by Alan Wright and Peter Kendall. Journal of Architectural Conservation, Volume 14, Issue 1, March 2008

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