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Impact of H2S on Concrete: A Case Study from Hilton Head

This case study explores the significant deterioration of the outer layer of concrete due to hydrogen sulfide (H2S) exposure on Hilton Head Island. A concrete bench has displayed severe damage, with approximately 1 inch of surface loss. The importance of thorough surface preparation is highlighted, utilizing a high-pressure cleaning technique at 5000 psi and 5 gpm with a 0-degree rotating nozzle. Following cleaning, a ½ inch Quadex Aluminaliner was installed, along with a 100 mil application of Raven 405 to restore functionality and improve durability.

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Impact of H2S on Concrete: A Case Study from Hilton Head

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Presentation Transcript

  1. Effects of H2S on Concrete Case Study Hilton Head Outer layer of concrete is severely deteriated Bench is badly deteriorated

  2. Before Cleaning & Prep

  3. Concrete Severely Deteriorated Approx 1” loss

  4. Surface prep is critical 5000 psi at 5 gpm 0 degree rotating nozzle

  5. After Build Back of ½” Quadex Aluminaliner

  6. After application of 100 mils Raven 405

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