Advanced modeling to support innovative developments in tunnelling for Amsterdam North-Southline

F.J. Kaalberg (North/South Line Consultants & Witteveen + Bos Consulting Engineers, Amsterdam, The Netherlands)

The planning and design for the new North/South metro line in Amsterdam is a technical challenge because of the extremely difficult conditions comprising the historical environment, piled foundations and the soft subsoil. Advanced numerical modeling is required to set new standards in the understanding of soil-structure interaction regarding building response as well as TBM- and lining design and (compensation) grouting techniques. Several innovations are developed based on the principle of Value Engineering. This paper will give an overview of the key position of FE modeling in the design.

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