Back to results
US 4,084,381 AGranted
Stabilization of earth subsurface layers
AssigneeWoodbine Corporation
InventorsGene Cain, Joe Doyle Teague, Paul James Wright
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeWoodbine Corporation
InventorsGene Cain, Joe Doyle Teague, Paul James Wright
Estimating the term…
A method of treating subsurface layers of the earth to either control movement of the subsurface water or build strength of the subsurface layers, or both, characterized by injecting at a predetermined depth and at a plurality of predetermined, spaced apart locations a limefly ash slurry consisting essentially of water, particulate hydrated lime, particulate fly ash and a surfactant. Also disclosed are the preferred proportions, or concentrations, of the components of the slurry; and a finished product; such as, a railroad track subgrade and ballast supporting cross-ties and rails, the subgrade having been injected with masses of lime and fly ash slurry to leave residual masses of lime and fly ash disposed in fissures and any ballast pockets along the railroad track, the masses having a proportion of lime to fly ash in the range of one to 1:1 to 1:3.
A method of treating sub-surface layers of the earth for controlling movement of sub-surface water and building strength of said sub-surface layers comprising injecting at a plurality of predetermined depths and at a plurality of predetermined, spaced-apart locations a lime-fly ash slurry consisting essentially of water, particulate hydrated lime, particulate fly ash and surfactant;
The method of claim 4 wherein about 3 pounds of said particulate lime and fly ash are added per gallon of water and comprise about one pound of lime and about two pounds of fly ash.
In a railroad track comprising:
Dependencies are inferred from the claim text.