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Application of Intelligent Materials in Inspection, Repair and Reinforcement of Infrastructure

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: closed (20 July 2024) | Viewed by 4122

Special Issue Editors

Department of Bridge Engineering, Tongji University, Shanghai 200092, China
Interests: evaluation; rehabilitation; steel bridges; SMAs; CFRP; smart materials
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Guest Editor
Department of Building Engineering, Tongji University, Shanghai 200092, China
Interests: steel structures; high-performance materials; SMAs; fire resistance; repair
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Civil engineering infrastructures often face great demands for strengthening or repairing during their service lives, especially due to fatigue and corrosion damages or exposed to fire and earthquake disaster. Nowadays, intelligent materials such as shape-memory alloys, smart materials, and fiber-reinforced composites have great potential in the inspecting, repairing and upgrading of infrastructures, and in turn for the enhancement of their long-term performance. Taking Fe–Mn–Si alloys as an example, the martensitic transformation and its reverse transformation which produces considerable recovery stress (300~500 MPa), can be utilized as prestress for the local repairing of fatigue cracks in orthotropic steel bridge decks and also global upgrading of down-wrapped concrete/steel/composite beams. In this Special Issue, in comparison with traditional inspection and strengthening methods, mechanisms, techniques and applications of intelligent materials on the rehabilitation of infrastructures will be introduced and classified in detail.

Dr. Xu Jiang
Dr. Xuhong Qiang
Guest Editors

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Keywords

  • steel bridge
  • intelligent material
  • fatigue
  • corrosion
  • inspection
  • rehabilitation

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Published Papers (1 paper)

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Review

22 pages, 12880 KiB  
Review
Research Progress and Applications of Fe-Mn-Si-Based Shape Memory Alloys on Reinforcing Steel and Concrete Bridges
by Xuhong Qiang, Yapeng Wu, Yuhan Wang and Xu Jiang
Appl. Sci. 2023, 13(6), 3404; https://doi.org/10.3390/app13063404 - 7 Mar 2023
Cited by 29 | Viewed by 3447
Abstract
In civil engineering, beam structures such as bridges require reinforcement to increase load-bearing capacity and extend service life due to damage, aging, and capacity degradation under long-time services and disasters. The utilization of Fe-based shape memory alloys (Fe-SMA) to reinforce structures has been [...] Read more.
In civil engineering, beam structures such as bridges require reinforcement to increase load-bearing capacity and extend service life due to damage, aging, and capacity degradation under long-time services and disasters. The utilization of Fe-based shape memory alloys (Fe-SMA) to reinforce structures has been proven efficient and reliable, and the recovery stress of activated Fe-SMA can satisfy the reinforcement requirements. This article overviews the material characteristics and mechanical properties of Fe-SMA. Furthermore, the principle of thermal activation for reinforcing beams using Fe-SMA is described. On this basis, the joining methods between Fe-SMA members and reinforced components are reviewed, and the existing reinforcement research and applications are analyzed for steel and concrete beams. Finally, given the current shortcomings, this paper puts forward the perspectives that need to be studied to promote Fe-SMA’s reinforcement application in civil engineering. Full article
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