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Content archived on 2022-11-21

Enhanced economy of tubular piles by improved buckling design

Objective

The design of cylindrical tubes in piling systems has to consider the limit state of buckling. The application of the general rules for buckling design given in ENV1993-1-6 results in insufficient safety factors for common piling structures. This is due to the fact that the knockdown factors of ENV1993- 1-6 are derived from tests with rigid boundary conditions and a load introduction, which is completely different from the situation with the piling structure.

The continuous non-linear support in the soil reduces the imperfection sensitivity. A parametric study considering the interaction of piling and soil will be performed to give improved design rules with satisfactory safety.

Topic(s)

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Call for proposal

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Funding Scheme

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Coordinator

UNIVERSITÄT KARLSRUHE (TH)
EU contribution
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Address
Kaiserstrasse 12
KARLSRUHE
Germany

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Participants (4)