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British practice for grouting granular soils
Permeability tests were carried out at site of new Blackwall Tunnel under River Thames in London; tests showed sands, gravels, and silts to be present; clay-chemical grout was selected for coarser layers and cheap low-viscosity chemical grout for finer layers; grouts were injected from pilot tunnels to form grouted annulus through which main tunnel has been driven; penetration of clay grouts was improved by removing coarse fraction in hydrocyclones during preparation.
British practice for grouting granular soils
Permeability tests were carried out at site of new Blackwall Tunnel under River Thames in London; tests showed sands, gravels, and silts to be present; clay-chemical grout was selected for coarser layers and cheap low-viscosity chemical grout for finer layers; grouts were injected from pilot tunnels to form grouted annulus through which main tunnel has been driven; penetration of clay grouts was improved by removing coarse fraction in hydrocyclones during preparation.
British practice for grouting granular soils
ASCE -- Proc (J Soil Mechanics Foundation Div)
Perrott, W.E. (author)
1965
23 pages
Article (Journal)
English
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