Permeability of Grouts Subjected to Chemicals

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by 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,

Document Type: Proceeding Paper

Part of: Environmental Engineering

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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