Project 4.16: Investigating the Long-Term Durability of CFRP Repairs for Bridges Under Environmental Conditions

Investigating the Long-Term Durability of CFRP Repairs for Bridges Under
Environmental Conditions


Project Summary

Carbon fiber-reinforced polymers (CFRP) have been widely used for bridge repair and
strengthening because of their high strength-to-weight ratio, corrosion resistance, and ease of
installation. However, the long-term durability of CFRP repairs under harsh environmental
conditions remains unclear. Accumulated damage resulting from mechanical loading and
environmental degradation, such as moisture, freezing, and thermal aging, may cause
unpredictable damage to the infrastructure. To address this issue, this project aims to investigate
the combined effects of fatigue and environmental aging on the durability of CFRP. The project
employs a range of theoretical and computational methods to explore the impact of these factors
on the mechanical properties of CFRP repairs. These methods multi-scale modeling of
environmentally and mechanically conditioned samples to simulate the effects of moisture and
temperature changes. The project results are expected to provide valuable insights into the long-
term durability of CFRP repairs, which can help ensure the safety and reliability of bridges that
have been repaired with CFRP. The project outcomes may have practical implications for bridge
design and maintenance as well as for the wider adoption of CFRP as a repair and strengthening
material in civil infrastructure.

Principal Investigator

Dr. Vahid Morovati


Dr. Ramesh B. Malla, P.E.


University of Connecticut,

Project Status


Project Cost


Start Date


Project Type

Base Funded

End Date


Agency ID



Office of the Assistant Secretary for Research and Technology, University Transportation Centers Program, Department of Transportation, University of Connecticut

Implementation of Research Outcomes:

This project is in its initial research phase. Implementation of research outcomes will be reported upon completion of the research outputs.

Impacts and Benefits of Implementation:

This project is in its research phase. Impacts and benefits of the research will be reported after the implementation phase.

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Tags: Bridges