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Model tests carried out in Hamburg, Germany, Institute for Soil Mechanics in 1944, with medium and fine sand; as long as rock is not deformed, vertical pressure increases proportionally to depth; as soon as rock is deformed, friction causes silo effect thus reducing pressure.
Model tests carried out in Hamburg, Germany, Institute for Soil Mechanics in 1944, with medium and fine sand; as long as rock is not deformed, vertical pressure increases proportionally to depth; as soon as rock is deformed, friction causes silo effect thus reducing pressure.
Comments on tunnel and gallery construction and calculation of rock pressure
Kritische Betrachtung des Tunnel- und Stollenbaues und der Berechnung des Gebirgsdruckes
Bauingenieur ; 24
1949
7 pages
Article (Journal)
German
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