Cargando…
Excavation of the SPS tunnel (view of a section prior to lining by a concrete shell)
The SPS ring (6911 m in circumference) is housed at a depth of 40 m (average) under the surface. The tunnel with an overall cross-sectional diameter of 4.8 m was drilled by big tunnelling machines (see 7406022X, 7406027X) into the molasse rock present in the Geneva basin. After the passage of the tu...
| Publicado: |
1974
|
|---|---|
| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/969004 |