Graybar
Post Tensioning Solutions investigated and repaired the existing button head post-tensioning system. This building lacked the concrete coverage needed to adequately cover the shims and stressing washers.
Project Overview
The Graybar project showcases our expertise in investigating and repairing existing post-tensioning systems. The building had an existing button head post-tensioning system that lacked adequate concrete coverage to protect the shims and stressing washers, leading to corrosion issues.
Technical Approach
Our comprehensive repair strategy included:
- Thorough investigation of the existing PT system
- Sand blasting and cleaning of all anchors to remove rust and corrosion
- Galvanization and waterproofing of the anchors
- Application of additional 3" of concrete for future protection
Challenges & Solutions
Despite considerable corrosion, we determined that the system was still structurally sound and did not need to be replaced. This saved the client significant time and expense while still ensuring the long-term integrity of the structure.
- Addressing corrosion without full system replacement
- Ensuring proper cleaning and preparation of corroded components
- Implementing effective waterproofing measures
- Adding sufficient concrete coverage for long-term protection
Key Highlights
Corrosion Mitigation
Successfully addressed significant corrosion while maintaining the integrity of the existing PT system.
Comprehensive Restoration
Thorough cleaning, galvanization, and waterproofing of all anchors to prevent future deterioration.
Long-Term Protection
Added 3 inches of concrete coverage to ensure lasting protection of the PT system components.
Technical Excellence
Our approach combined thorough investigation with specialized repair techniques to ensure the longevity of the post-tensioning system.
Specialized Capabilities
- Expert assessment of PT system integrity
- Advanced corrosion mitigation techniques
- Comprehensive waterproofing and protection systems
Project Results
System Preservation
Successfully preserved the existing PT system, avoiding costly full replacement while ensuring structural integrity.
Enhanced Protection
Implemented multiple layers of protection including galvanization, waterproofing, and additional concrete coverage.
Long-Term Durability
Extended the service life of the building's structural system with comprehensive repair and protection measures.
Need PT Repair Services?
Contact our expert team to discuss your post-tensioning repair needs and discover how our specialized approach can extend the life of your structure.