Concrete Removal Techniques with Potential for Use in Rock

by Roy L. Campbell, Sr., US Army Corps of Engineers, United States,



Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices

Abstract:

This paper describes concrete removal techniques that were employed in the rehabilitation of US Army Corps of Engineers mass concrete structures and are thought to have potential for limited employment in foundation excavation in rock. Techniques presented include presplitting with expansive agent, rotary head cutting, impacting with mechanical breaker, stitch drilling, and mechanical presplitting.

Subject Headings: Concrete dams | Drilling | Rocks | Rehabilitation | Mass concrete | Dam foundations | Concrete structures | United States

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