Stabilizing clay soil with dry chemical mixtures
AssigneeChevron Research Company
InventorsTor Loken, Odd R. Bryhn
Life of this patent
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Abstract
A method of stabilizing clay soil comprising admixing the clay soil with an effective amount of a dry mixture of chemicals comprising hydroxy-aluminum and a chemical selected from the group consisting of potassium chloride, potassium nitrate, potassium sulfate, ammonium chloride, ammonium nitrate, and ammonium sulfate.
Claims15
A method of stabilizing clay soil comprising admixing the clay soil with an effective amount of a dry mixture of chemicals comprising hydroxy-aluminum and a chemical selected from the group consisting of potassium chloride, potassium nitrate, potassium sulfate, ammonium chloride, ammonium nitrate, and ammonium sulfate.
A method of stabilizing clay soil comprising admixing the clay soil with an effective amount of a dry mixture of chemicals comprising hydroxy-aluminum and potassium chloride.
The method of stabilizing a clay containing soil deposit by forming a plurality of pillars extending into said formation comprising the steps of selecting the size of pillars to be formed, determining the wet weight of the clay within said pillars, preforming a dry mixture of hydroxy-aluminum and potassium chloride, said dry mixture containing at least 2.5 grams of hydroxy-aluminum and at least 1.0 grams of potassium chloride per 100 grams wet weight of clay and admixing said dry mixture with said clay to form said pillars.
Dependencies are inferred from the claim text.