FAIR

The new accelerator facility FAIR is under construction at GSI. Learn more.

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24.03.2017 | Preparatory construction activities are making headway at GSI/FAIR

Photo: G. Otto, GSI Helmholtzzentrum für Schwerionenforschung

Preparatory work for FAIR

Photo: G. Otto, GSI Helmholtzzentrum für Schwerionenforschung

Stabilize the building site

Photo: G. Otto, GSI Helmholtzzentrum für Schwerionenforschung

Solid foundation

 

The construction of the FAIR accelerator facility is picking up speed. The preparatory work has now commenced for linking the existing accelerator systems of GSI Helmholtzzentrum für Schwerionenforschung to the new FAIR facility, which will take place later on. An important milestone here is the erection of two approximately 100-meter-long retaining walls that are up to eight meters tall. These walls are being built near GSI’s SIS18 accelerator ring, which will connect to the FAIR facility.

Eighty bored piles are currently being driven into the ground to create a solid foundation for the retaining walls to the north of the GSI facilities. The piles are driven up to 14 meters into the ground by a pile driver more than 25 meters tall. The poured concrete piles, which are up to 1.2 meters in diameter and strengthened by steel reinforcement cages, are there to stabilize the building site. The outer retaining wall will extend along the Prinzenschneise lane, which will be open to the public again after FAIR is completed. The inner retaining wall will protect the existing accelerator ring. A campus road will be built between them.

Preparations are also under way at the two transformer locations on the 20-hectare FAIR construction site (one in the north, the other in the south). The work also includes the building of construction site access roads, the setting up of additional construction site equipment, and the creation of a temporary storage facility for construction material and excavated earth.

The Technical Managing Director of GSI and FAIR, Jörg Blaurock, considers the current construction work to be an important step in the facility’s development. “We are now taking key preparatory measures before we soon begin with the building construction and civil engineering tasks for the future FAIR accelerator center,” he says. “It’s already apparent that the many different trades are working together extremely well. We are making very good progress in line with our integrated overall plan.”


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Preparatory work for FAIR
Stabilize the building site
Solid foundation
The preparatory work has now commenced for linking the existing accelerator systems of GSI Helmholtzzentrum für Schwerionenforschung to the new FAIR facility. An important milestone here is the erection of two retaining near GSI’s SIS18 accelerator ring.
The poured concrete piles, which are up to 1.2 meters in diameter and strengthened by steel reinforcement cages, are there to stabilize the building site.
Eighty bored piles are currently being driven into the ground to create a solid foundation for the retaining walls to the north of the GSI facilities.
Photo: G. Otto, GSI Helmholtzzentrum für Schwerionenforschung
Photo: G. Otto, GSI Helmholtzzentrum für Schwerionenforschung
Photo: G. Otto, GSI Helmholtzzentrum für Schwerionenforschung