Permeability of Grouts Subjected to Chemicalsby Andrew Bodocsi, Univ of Cincinnati, Cincinnati, OH, USA,
Mark T. Bowers, Univ of Cincinnati, Cincinnati, OH, USA,
Roddy A. Sherer, Univ of Cincinnati, Cincinnati, OH, USA,
Abstract: This paper presents the more recent results of a testing program which evaluated the long-term resistance to percolation of grouted soils, using acrylate, urethane and cement-bentonite No. 2 mix grouts, and four selected chemicals: aniline, 20% cupric sulfate, 4N hydrochloric acid, and 25% sodium hydroxide. It was found that the cement-bentonite grout was resistant to all four chemicals; the urethane grout resisted aniline and performed satisfactorily with the 4N hydrochloric acid. The acrylate grout performed well with the 25% sodium hydroxide and the 20% cupric sulfate. Overall, the most promising grouts were the mix No. 2 cement-bentonite and urethane. With few exceptions they resisted most chemicals and maintained either very good or sufficiently low permeabilities with the chemical permeants.
Subject Headings: Soil grouting | Chemical grouting | Material properties | Soil properties | Cement | Bentonite | Environmental issues
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