Multifunctional Composite Sensors for Sustainable Infrastructure Systems

To enhance longevity and structural performance, next generation infrastructure systems must integrate high performance material and structural systems that are durable and safe, and health monitoring systems that can obtain real-time data on the condition of structures and timely detect anomalies in the structural performance. Multifunctional composites that are intrinsically smart and durable can avoid deployment of two separate systems (high performance structural systems and health monitoring systems) to achieve this goal. This project will explore the design, fabrication, and implementation of multifunctional cementitious and polymer composites. The proposed multifunctional composites will exploit intrinsic smart properties of shape memory alloy (SMA) fibers. SMAs are a class of metallic alloys that have unique properties such as high strength, large deformation capability, good ductility and damping capacity, long fatigue life, large electrical resistivity and excellent re-centering ability. Using a multiscale micromechanics-based design approach that has been successfully employed in development of various high performance fiber reinforced cementitious composites, the development of SMA-based multifunctional cementitious composites will be explored to simultaneously achieve strain hardening, self-centering, crack width control, high energy absorption and self-monitoring abilities in a single cementitious composite material. In addition, the use of SMA fibers in a thermoset epoxy matrix and shape memory polymer matrix will be investigated.

Language

• English

Project

• Status: Completed
• Contract Numbers:

  DTRT13-G-UTC33

• Sponsor Organizations:

  Virginia Transportation Research Council

  530 Edgemont Road
  Charlottesville, VA  United States  22903

  University of Virginia, Charlottesville

  Center for Transportation Studies
  P.O. Box 400742, Thornton Hall, D228
  Charlottesville, VA  United States  22903

  Office of the Assistant Secretary for Research and Technology

  University Transportation Centers Program
  Department of Transportation
  Washington, DC  United States  20590
• Managing Organizations:

  Mid-Atlantic Transportation Sustainability Center

  University of Virginia
  Charlottesville, VA  United States 
• Project Managers:

  Burden, Lindsay

• Performing Organizations:

  University of Virginia, Charlottesville

  Center for Transportation Studies
  P.O. Box 400742, Thornton Hall, D228
  Charlottesville, VA  United States  22903
• Principal Investigators:

  Ozbulut, O

• Start Date: 20160801
• Expected Completion Date: 20180831
• Actual Completion Date: 20190131

Subject/Index Terms

• TRT Terms: Alloys; Composite materials; Concrete structures; Design; Fabrication; Fiber reinforced materials; Implementation; Real time information; Sensors; Structural health monitoring
• Subject Areas: Bridges and other structures; Highways; Maintenance and Preservation; Materials;

Filing Info

• Accession Number: 01645914
• Record Type: Research project
• Source Agency: Mid-Atlantic Transportation Sustainability Center
• Contract Numbers: DTRT13-G-UTC33
• Files: UTC, RIP
• Created Date: Sep 11 2017 4:42PM