Method for preparing an injection material and the obtained injection material
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United States of America Patent
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Dec 12, 2023
Grant Date -
Jul 7, 2022
app pub date -
Apr 22, 2020
filing date -
May 23, 2019
priority date (Note) -
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Abstract
Disclosed is a method for preparing a mixture and the injection material to be used as soil injection material to close the pores after a certain gelling period by applying it to the pores in the silt size, including the steps of: (a) preparation of a mixture of sodium silicate with a SiO2/Na2O ratio of 3-4 and water so that their ratio by volume varies between 3/7 and 1/1; (b) obtaining a mixture by dissolving ultra-low sulfated boric acid in water, containing between 2.5-5% by weight of ultra-low sulfated boric acid; and (c) mixing the obtained ultra low sulfate boric acid-water mixture with sodium silicate in the step a.
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