Pre-stress System Test

The main objectives and significance of testing steel wires and steel stranded wires include the following aspects:
1. Ensuring Safety
2. Quality Control
3. Fatigue Life Assessment
4. Defect Detection
5. Structural Performance Analysis
6. Compliance with Regulations
Testing of steel wires and steel stranded wires is crucial for ensuring structural safety, improving product quality, and extending service life.
Test items
1. Dimensional Measurement
2. Tensile Test

3. Relaxation test

4. Fatigue Test

5. Prestressing End Anchor Static Load Test

Related Test Standards
1. CNS3332
2. ASTM A1061/A1061M
3. ASTM A882/A882M
4. Ministry of Transportation and Communications, Highway Bureau, Construction Manual, Chapter 0321
5. Ministry of Transportation and Communications, National Freeway Bureau, Highway Engineering Specifications, Chapter 03231
6. Executive Yuan, Public Construction Commission, Construction Guidelines, Chapter 03231
7. FIP “Recommendations for the Acceptance of Post- Tensioning Systems”(1993)
8. ETAG 013 “Guideline for European Technical Approval of Post-Tensioning Kits for Prestressing of Structures”(2022)
9. EAD 160004-00-0301 “Post-Tensioning Kits for Prestressing of Structures”(2016)


