The construction of a new high-bay warehouse at REHAU's Viechtach factory in the Bavarian forest near the Czech border involved a major height difference ( for incoming and outgoing goods) between the first and the second level ( over 20 meters). Due to the undulating topography and limited space, retaining walls were essential to overcome the difference in levels. A 7.20-meter high geogrid-reinforced wall sloping at 85° was constructed 50 cm behind a facing concrete wall inside the warehouse. This way, no earth was expected to exert pressure against the concrete facing wall. As a second bonus, the reinforced concrete plate base for truck and fork-lift traffic at the second level on the geosynthetic wall structure was reduced in thickness.
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