About the CFL

The mission and purpose of the Constructed Facilities Lab (CFL) at North Carolina State University is to perform advanced research and development of construction materials, structural systems, and processes that enhance the sustainability and economy of civil infrastructure through innovation and vision. It also provides unique research and training for graduate and undergraduate students for the civil engineering profession. Other facts about the CFL:

Constructed Facilities Lab on NCSU Centennial Campus

  • Established in 1996.
  • Result of a joint investment by the National Science Foundation (NSF) and the State of North Carolina.
  • 20,000 sq ft research complex with student and faculty offices, state-of-the-art laboratories, and equipment.
  • Distinguished for its capacity to test large to full-scale structural systems under a wide variety of environmental conditions.
  • Provides specialized industrial outreach through its close association with the Industrial Extension Service at NC State University.
  • Conducts fundamental and applied research through the NSF Industry/University Cooperative Research Center (I/UCRC), Repair of Buildings and Bridges with Composites (RB2C).
  • One of a few university laboratories in the United States accredited by the International Accreditation Service (IAS) to perform testing in accordance with the ISO 17025 standard.


Constructed Facilities Lab on NCSU Centennial Campus

Applied and Fundamental Research

    • Strengthening and Repair of Concrete and Steel Structures and Bridges with Fiber-Reinforced Polymer (FRP) Materials
    • Behavior of Large Scale Structural Systems and Components Subjected to Static and Dynamic Load Conditions
    • Structural Field Evaluation and Health Monitoring
    • Environmental Behavior of Structural Materials and Members
    • Sensor Technology Development
    • Development and Assessment of Construction and Pavement Materials and Manufactured Systems
    • Geotechnical and Geoenvironmental Materials and Systems

Product Development and Testing for Code Compliance

    • Building Code Compliance Testing
    • ISO 17025 Accredited Testing
    • Evaluation of Existing Products
    • Feasibility and Evaluation of New Materials for Infrastructure
    • Durability and Reliability Studies

Expert Engineering and Scientific Support

    • Forensic and Failure Investigations
    • Structural Diagnoses and Field Monitoring
    • Rehabilitation with Advanced Composite Materials
    • Non-Destructive Testing and Evaluation

Training and Professional Development

    • Paul Zia Distinguished Lecture Series
    • Bridge, Wind, and Seismic Engineering
    • Concrete, Masonry, Steel, Fiber-Reinforced Polymer (FRP), Asphalt, and Wood Engineering
    • Design and Rehabilitation of Buildings and Bridges using Advanced Composite Materials
    • American Concrete Institute (ACI) / NCDOT Concrete Certification
    • OSHA – Authorized Training for Construction Safety
    • Project Management, Life Cycle Cost, and Legal Aspects

Representative Projects

  • Air Permeability of Concrete (NSF)
  • Implementation of Self-Consolidating Concrete for Prestressed Concrete Bridge Girders (NCDOT)
  • Strengthening and Repair of Concrete Bridges with Fiber-Reinforced Polymers (NCDOT)
  • Strengthening of Steel Structures and Bridges with Fiber-Reinforced Polymers (NSF / IURC and Mitsubishi Chemical FP of America, Inc.)
  • Application of the LRFD Bridge Design Specifications to High-Strength Structural Concrete: Flexural and Compression Provisions (NCHRP)
  • Design and Behavior of Steel Single Plate Framing Connections (W&W Steel)
  • Behavior of Skewed Steel Plate Girder Bridges During Construction (NCDOT)
  • Fatigue Testing of Full-Scale AASHTO Girders (NCDOT)
  • Seismic Behavior of Post-Tensioned Mansonry Walls (NSF and National COncrete Masonry Association)
  • 3-D Weaved Textile Fabric for Bridge Decks (NSF and 3-TEX, Inc.)
  • Performance of Prestressed Concrete Spandrel Beams (Metromont Corporation)
  • Bond Strength of MMFX Steel Reinforcement (MMFX Technologies Corporation)
  • Wireless and Fiber Optic Sensors for Structural Health Monitoring (NSF)
  • 3-D FRP Sandwich Panels for Civil and Transportation Applications (NSF / IUCRC and Martin Marietta Composites)
  • Adhesive Performance for Structural Applications (NSF / IUCRC and IPS Corporation)
  • Code Compliance Testing of Large Diameter High Strength Threaded Steel Reinforcements (SAS Stressteel, Inc.)
  • Performance of Cold Formed Steel Connection Clips (The Steel Network, Inc.)
  • Code Compliance Testing of Cold Formed Steel Studs (The Steel Network, Inc.)
  • Behavior of Shear Critical Lightweight Concrete Columns (Expanded Shale, Clay, and Slate Institute)
  • Effects of Low Temperatures on the Seismic Response of Bridge Columns (Alaska DOT)
  • Performance Testing of Bituminous Surface Treatment Using MMLS3 (NCDOT)
  • Rutting and Fatigue Cracking Performance Evaluation of Asphalt Pavement Using MMLS3 (NSF and NCDOT)
  • Application of Digital Image Correlation Technique as Noncontact Displacement Measurement Sensor in Asphalt Concrete Testing (NSF and NCHRP)