| 摘要 |
The invention relates to a method for a foundation on undulating underwater ground. A concrete foundation structure 2 comprises a conical base 4 widening downwards which is filled with a granular mass 14 and which rests on the bottom 20 via a pad formed by a protruding part of this mass, the grains of this mass being held during the lowering operation by a flexible retaining layer 12. Application to the foundation of bridges, submerged tunnels and offshore rigs. <IMAGE>
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