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Effects of H2S on Concrete: A Case Study from Cary, NC

This case study examines the severe deterioration of concrete due to hydrogen sulfide (H2S) exposure in Cary, NC. The outer layer of the concrete showed significant degradation, particularly around the edges, resulting in nearly 1 inch of material loss. Proper surface preparation is critical, requiring sound concrete with a compressive strength of 5000 psi and a 0-degree rotating nozzle at 5 gpm. Following the application of a ½ to 1 inch Quadex Aluminaliner and 120 mils of Raven 405, inspections after 5 years indicated no failures despite high levels of H2S exposure.

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Effects of H2S on Concrete: A Case Study from Cary, NC

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  1. Effects of H2S on Concrete Case Study Cary N.C. Outer layer of concrete is severely deteriated Edges is badly deteriorated

  2. Concrete Severely Deteriorated Approx 1” loss

  3. Surface prep is critical Sound Concrete Is Required 5000 psi at 5 gpm 0 degree rotating nozzle

  4. After Build Back of ½” to 1” Quadex Aluminaliner

  5. After application of 120 Mils of Raven 405

  6. After 5 yrs Very Severe H2s Inspection revealed not one failed area

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