Cements & Bentonite
Cements are particulate grouts mixed with water to give a required consistency.
Properties
- High strength, readily available, low cost, general purpose grout (first used by Brunel as a soil grouting agent on the Rotherhithe Tunnel)
- Microfine cement extend the range of material that can be grouted
- Sodium silicate
Uses
- General filling
- Consolidation of granular material including gravel
Sodium Bentonite
Naturally occurring hydrated clay used as a filler for cement grouts with the added advantage of acting similar to a plasticiser.
Other fillers can be added to cement grouts for a variety of different applications.