European LGV project, section A from Vaires to Vendenheim - Vrigny, France

The soldier pile wall is a temporary or permanent retaining wall commonly
used for excavations in urban areas.

The method consists of :

• Drilling regularly spaced boreholes in which metal beams are sunk
• Installing cladding (wood, shotcrete, steel plates) between the beams as the excavation
  progresses

The stability of the retaining wall is temporarily provided by struts or anchors except in shallow
excavations where the wall may be self-supporting.

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