[Follow-up Survey Report] Maintenance and Preservation using the Reflite Method (Neutralization Repair)

Follow-up investigation report on a building that has undergone repairs using the Reflite method (RF specification) after 31 years.

In selecting repair materials and methods, it is important to confirm the durability in real environments through long-term follow-up surveys in addition to verifying various physical properties. The Reflite method repairs with high-quality materials under a strict construction management system and confirms durability through follow-up surveys. This document includes "Overview of Concrete Structures and Appearance 31 Years After Repair," as well as "Depth of Carbonation in Chiseled and Cross-Section Repair Areas (31 Years After Repair)" and "Analysis Results of RF-100." Please take a look. [Contents] ■ Overview of Concrete Structures and Appearance 31 Years After Repair… No spalling due to rebar corrosion ■ Adhesion Test (31 Years After Repair)… Adhesion strength of repair materials is good (average 1.7 N/mm²) ■ Intrinsic Rebar in Chiseled and Cross-Section Repair Areas (31 Years After Repair)… No cracks, no significant rebar corrosion ■ Depth of Carbonation in Chiseled and Cross-Section Repair Areas (31 Years After Repair)… No progression of carbonation ■ Analysis Results of RF-100 (Lithium Ion Analysis of Collected Cores)… Confirmation of intrinsic and residual Li+ *For more details, please refer to the PDF document or feel free to contact us.

Reinforcement and repair materialsRenovation and repair methods