Sugar silos

Published on 3 March 2008

Suger silos at Connantre

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(Rights reserved)

Location : CONNANTRE (MARNE, 51)

Construction date: 1975

Participants:
Project owner: BEGHIN SAY
Construction manager: OSTENFELD AND JONSON
Contractor: E.G.I.

Main characteristics:
Diameter: 53 m - Height: 55 m
Capacity : 70,000 tonnes per silo, making a total of 140,000 tonnes.

Main quantities:
Earthworks : Concrete: 6000 m3 x 2 - Steel: 500 tonnes x 2 silos + Prestressing
Formwork: 18.000 m2 x 2 silos

Construction techniques:
- Sliding formwork

Interest and originality at the time of construction:
- Its diameter of 53 metres made it the largest sotrage silo in France.
- Roof: spherical reinforced concrete rome with prestressed periphery and a span of 56 metres