Geoscience Reference
In-Depth Information
Table 6.3 Ranking based on toxicity, viscosity and strength ( after Shroff and Shah, 1999; Kazemian et al .,
2010).
Grouts
Toxicity
Viscosity
Strength
Silicate
Joosten process
Low
High
High
Siroc
Medium
Medium
Medium-High
Silicate-Bicarbonate
Low
Medium
Low
Lignosulphates
Terra Firma
High
Medium
Low
Blox-All
High
Medium
Low
Phenoplasts
Terramier
Medium
Medium
Low
Geoseal
Medium
Medium
Low
Aminoplasts
Herculox
Medium
Medium
High
Cyanaloc
Medium
Medium
High
Acrylamides
AV-100
High
Low
Low
Rocagel BT
High
Low
Low
Nitti-SS
High
Low
Low
Polyacrylamides
Injectite 80
Low
High
Low
Acrylate
AC-400
Low
Low
Low
Polyurethane
CR-250
High
High
High
Figure 6.35 Lightweight embankment.
is still about 20 times lighter than conventional fill such as clay and sand. Figure 6.35
illustrates the principle of using polystyrene blocks as an alternative to heavy earth core
structures built over soft ground. Because of their light weight, very little pressure is
actually exerted on the existing ground, hence minimizing the stability and settlement
problem.
 
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