Testing Products

Construction Technical Services

Operational Period Inspection and Assessment

Structural Health Monitoring

Maintenance and Management Consulting

Scientific Research and Development

Testing Items

Raw material testing for bridges and underground engineering; bridge construction monitoring; bridge load testing; tunnel monitoring measurement; tunnel advanced geological prediction; tunnel construction quality testing; tunnel environmental testing; main structure testing of utility tunnels; technical consultation for the entire construction process, including key process acceptance and solving construction difficulties for bridges and underground engineering.

Routine periodic inspection, special safety/durability assessment, and load-bearing capacity evaluation for bridge and underground engineering structures.

Establishment of structural health monitoring systems for bridges and underground engineering, utilizing IoT, mobile internet, and big data information technology to achieve 24/7 continuous monitoring and anomaly alerts.

Scientific research projects related to bridges and underground engineering; development of testing system platforms for bridges and underground engineering, etc.

Testing Standards

Bridge Engineering Related Standards

1. Standard for Maintenance of Urban Bridges (CJJ 99-2017)

2. Technical Code for Inspection and Evaluation of Urban Bridges (CJJ/T 233-2015)

3. Code for Construction and Quality Acceptance of Urban Bridge Engineering (CJJ 2-2008)

4. Standard for Engineering Surveying (GB 50026-2020)

5. Specification for Inspection and Evaluation of Load-bearing Capacity of Highway Bridges (JTG/T J21-2011)

6. Standards for Technical Condition Evaluation of Highway Bridges (JTG/T H21-2011)

7. Load Test Methods for Highway Bridges (JTG/T J21-01-2015)

8. Code for Maintenance of Highway Bridges and Culverts (JTG 5120-2021)

9. Technical Specification for Construction Monitoring of Highway Bridges (JTG/T 3650-01-2022)

10. Technical Specification for Nondestructive Testing of Bridge Concrete Structures (T/CECS G:J50-01-2019)

11. Technical Standard for In-Situ Inspection of Concrete Structures (GB/T 50784-2013)

12. Technical Standard for Inspection of Steel Bars in Concrete (JGJ/T 152-2019)

Underground Engineering Related Standards

1. Code for Construction and Acceptance of Shield Tunnelling Method (GB 50446-2017)

2. Technical Standard for Quality Inspection of Shield Tunnel Segments (CJJ/T 164-2011)

3. Technical Standard for Shield Tunneling Construction in Subway (DG/TJ 08-2041-2021)

4. Technical Standard for In-Situ Inspection of Concrete Structures (GB/T 50784-2013)

5. Testing Code for Highway Tunnel (T/CECS G:J60-2020)

6. Technical Specification for Inspecting Concrete Compressive Strength by Rebound Method (JGJ/T 23-2011)

7. Technical Standard for Radar Method Inspection of Concrete Structures (JGJ/T 456-2019)

8. Technical Standard for Inspection of Steel Bars in Concrete (JGJ/T 152-2019)

9. Standard for Quality Inspection and Assessment of Highway Engineering Section 1 Civil Engineering (JTG F80/1-2017)

10. Technical Code for Maintenance of Highway Tunnels (JTG H12-2015)

11. Code for Acceptance of Construction Quality of Concrete Structures (GB 50204-2015)

12. Method for Measurement of Illuminance (GB/T 5700-2023)

13. Technical Specifications for Construction of Highway Tunnel (JTG/T 3660-2020)

14. Specification for gas detection in confined spaces by direct-reading detectors (GBZ/T 206-2007)

15. Technical Specification for Monitoring Measurement of Railway Tunnels (Q/CR 9218-2024)

16. Code for Construction and Acceptance of Urban Utility Tunnels (T/CECS 895-2021)

17. Standard for Inspection and Evaluation of Concrete Engineering in Underground Utility Tunnels (T/CECS 934-2021)