In the Beginning… There is the Earth
TOURNAI cathedral is listed as World Heritage by UNESCO.
The disparate nature of the successive overlaid constructions since the Late Roman Empire (3rd – 4th century AD) and an irregular geological context are leading to very significant subsidence, causing cracking that is endangering the survival of the structure.
Design of the underpinning project and execution studies. Following a phase of reconnaissance and archæological, geotechnical, and structural studies, the massive foundation walls of the Brunin tower are underpinned by jet grouting columns taken down to the limestone bedrock located at a depth of between 4 and 20 m.
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