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Cement Bentonite Slurry Mix Design. If the panel is not agitated, the panel shall not A narrow trench is excavated under bentonite slurry, usually with a hydraulic excavator, although clamshells and.
Table 2 from CementBentonite Grout Backfill for Borehole from www.semanticscholar.org
For the 10% bentonite + 5% cement mixture when compared to 10% bentonite added mixture and that it decreased significantly when compared to 5% cement added mixture (figure 7). The influence of sodium salt mix on the optimum composition is also considered. The viscosity of the mixed slurry is designed to be in the fluid range during the excavation process.
Table 2 from CementBentonite Grout Backfill for Borehole
Cement plus bentonite selected for reducing slurry density and increasing slurry volume normal bentonite additions range from 1 to 12 percent by weight of cement (bwoc) for every 1% bentonite bwoc added the water content must be increased 0.65 gallons (assumes dry blending) bentonite reduces resistance of cement to The viscosity of the mixed slurry is designed to be in the fluid range during the excavation process. Ps = pw (1 + c) / (c/gp + 1) where “pw” is the specific gravity of the mixing water (assumed to be 1.0) and “gp” is the grain specific gravity of. Because of the relative simplicity
