Education

Research Description

Dr. Seracino's research interests are broadly categorized as the application of advanced materials and systems to enhance the resilience of critical civil infrastructure. His research includes large-scale laboratory testing and analytical modeling.

Publications

CFRP shear strengthening system for steel bridge girders

Kazem, H., Zhang, Y., Rizkalla, S., Seracino, R., & Kobayashi, A. (2018), ENGINEERING STRUCTURES, 175, 415–424. https://doi.org/10.1016/j.engstruct.2018.08.038

Influence of geometry and fiber properties on rupture strain of cylindrical FRP jackets under internal ICE pressure

Sadeghian, P., Seracino, R., Das, B., & Lucier, G. (2018), Composite Structures, 192, 173–183. https://doi.org/10.1016/j.compstruct.2018.02.077

State-of-the-art review and future research directions for FRP-to-masonry bond research: Test methods and techniques for extraction of bond-slip behaviour

Vaculik, J., Visintin, P., Burton, N. G., Griffith, M. C., & Seracino, R. (2018), CONSTRUCTION AND BUILDING MATERIALS, 183, 325–345. https://doi.org/10.1016/j.conbuildmat.2018.06.103

Time-dependent tension-stiffening mechanics of fiber-reinforced and ultra-high-performance fiber-reinforced concrete

Sturm, A. B., Visintin, P., Oehlers, D. J., & Seracino, R. (2018), Journal of Structural Engineering (New York, N.Y.), 144(8).

The effects of accelerated Freeze-Thaw conditioning on CFRP strengthened concrete with pre-existing bond defects

Mabry, N. J., Seracino, R., & Peters, K. J. (2018), Construction and Building Materials, 163, 286–295. https://doi.org/10.1016/j.conbuildmat.2017.12.017

Reinforced concrete behavior, research, development, and design through partial-interaction mechanics

Oehlers, D. J., Visintin, P., Chen, J. F., Seracino, R., Wu, Y. F., & Lucas, W. (2017), Journal of Structural Engineering (New York, N.Y.), 143(7).

Stress-strain response of A706 grade 80 reinforcing steel

Overby, D., Kowalsky, M., & Seracino, R. (2017), Construction & Building Materials, 145, 292–302. https://doi.org/10.1016/j.conbuildmat.2017.03.200

An experimental study on bond-type anchorages for carbon fiber-reinforced polymer cables

Mei, K. H., Seracino, R., & Lv, Z. T. (2016), Construction & Building Materials, 106, 584–591. https://doi.org/10.1016/j.conbuildmat.2015.12.059

Depth detection of bond defects in multilayered externally bonded CFRP-to-concrete using pulse phase thermography

Mabry, N. J., Peters, K. J., & Seracino, R. (2015), Journal of Composites for Construction, 19(6). https://doi.org/10.1061/(asce)cc.1943-5614.0000551

Improved schmidt method for predicting temperature development in mass concrete

Bobko, C. R., Zadeh, V. Z., & Seracino, R. (2015), ACI Materials Journal, 112(4), 579–586.

View all publications via NC State Libraries

Grants

Rapid Seismic Repair of Column to Footing Connections – Phase 2

US Dept. of Transportation (DOT)(1/17/19 - 5/31/22)

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Rapid Seismic Repair of Column to Footing Connections – Phase 2

Sponsor: US Dept. of Transportation (DOT)

Start Date: 1/17/19

End Date: 5/31/22

Abstract

Bridge column repair has been studied for some time with several established techniques for repair for shear and confinement critical columns. Recent research at NC State has demonstrated the feasibility of repair of heavily damaged bridge columns, including those suffering buckling and fracture of reinforcement, through the use of ‘Plastic Hinge Relocation’. That research led to the development of a set of repair techniques using both conventional and advanced materials. The research described in this proposal aims to further advance the techniques that have been developed, while identifying others that may lead to a more efficient repair design. The specific objectives of the research described in this proposal are to: (1) Experimentally verify the behavioral mechanisms developed in the prior study; (2) Investigate options for simplifying the repair process through alternative connections between adjoining members; (3) Evaluate alternative forming options for the repair region; (4) Study the use of rebar couplers for fractured bars; and (5) Evaluate residual drift limits within the context of complete bridge structures. The above will be accomplished through large scale tests that will take advantage of columns already constructed and tests as part of a different research program. In addition, the residual drift computational study developed in Phase 1 will be further developed to evaluate its performance for more complex bridge systems. Recommendations will consist of additional repair technique alternatives that can be implemented into the design guide developed during Phase 1. It is worth noting also that although the focus of this project is on earthquake induced damage, the repair techniques developed will also be applicable to the repair of other forms of damage, including environmental deterioration such as steel reinforcement corrosion and ice flows.

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Center for Integration of Composites into Infrastructure Membership (CICI), Full Member with Special Service Privileges

Warstone Innovations, LLC(7/01/18 - 6/30/20)

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Center for Integration of Composites into Infrastructure Membership (CICI), Full Member with Special Service Privileges

Sponsor: Warstone Innovations, LLC

Start Date: 7/01/18

End Date: 6/30/20

Abstract

Full Membership

Close

Center for Integration of Composites into Infrastructure Membership (CICI), Full Member

Simpson Strong-Tie Company, Inc. (7/01/18 - 6/30/19)

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Center for Integration of Composites into Infrastructure Membership (CICI), Full Member

Sponsor: Simpson Strong-Tie Company, Inc.

Start Date: 7/01/18

End Date: 6/30/19

Abstract

Full Membership

Close

Center for Integration of Composites into Infrastructure Membership (CICI), Full Member

QuakeWrap, Inc. (7/01/18 - 6/30/19)

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Center for Integration of Composites into Infrastructure Membership (CICI), Full Member

Sponsor: QuakeWrap, Inc.

Start Date: 7/01/18

End Date: 6/30/19

Abstract

Full Membership

Close

In-plane Shear Strengthening of Wall-to-Slab Connections with Anchored GFRP Sheets, CICI Core Project

Center for Integration of Composites into Infrastructure (CICI) - NCSU Research Site(7/01/17 - 5/31/19)

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In-plane Shear Strengthening of Wall-to-Slab Connections with Anchored GFRP Sheets, CICI Core Project

Sponsor: Center for Integration of Composites into Infrastructure (CICI) - NCSU Research Site

Start Date: 7/01/17

End Date: 5/31/19

Abstract

In seismic regions it is often necessary to strengthen the cold joint of a concrete wall-to-slab interface and to provide load-path continuity for the longitudinal interfacial shear developed from in-plane loading. Engineers are designing and implementing such details without any direction from existing design guides. The purpose of this project is to experimentally test a common design detail used in practice to observe its full behavior to failure and quantify the contribution of the FRP strengthening system to the total shear resistance. It is common for these details to specify FRP spike anchors to prevent, or delay, debonding of the FRP strengthening system. Hence, there is also a need to quantify the behavior of FRP spike anchors in small-scale single-shear test specimens since design guides and anchor manufacturers provide very limited useful information on their design and capacity.

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Mechanically Fastened CFRP to Retrofit Existing Prestressed Concrete Bridge Beams - CICI Core Project

Center for Integration of Composites into Infrastructure (CICI) - NCSU Research Site(8/01/17 - 6/30/19)

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Mechanically Fastened CFRP to Retrofit Existing Prestressed Concrete Bridge Beams - CICI Core Project

Sponsor: Center for Integration of Composites into Infrastructure (CICI) - NCSU Research Site

Start Date: 8/01/17

End Date: 6/30/19

Abstract

Prestressed concrete beams of various shapes and forms are among the common bridge superstructure systems used by NCDOT. Many such bridges are in varying states of distress and require retrofit to extend their useful service life prior to complete superstructure replacement. The need for repair with prestressed concrete beams is typically visually apparent and associated with corrosion of the internal steel reinforcement. The challenge at hand is to develop retrofit techniques that are durable, easy to install, field inspect and maintain, and that may be applied to the range of prestressed concrete and steel beam types. Critically, NCDOT must also be able to rate the proposed retrofit using approved AASHTO methods before it may be applied in the field. In many cases the retrofit may be considered temporary since the bridge superstructure may be scheduled for replacement in the near future. Temporary retrofit is intended to provide the ability to maintain sufficiently high operating rating to keep the bridge functional while replacement is scheduled. In lieu of an acceptable retrofit, the bridge may need to be load posted or closed, often resulting in significant detours and disruption. In addition to the technical design details, proposed retrofits must also be competitive in the context of a cost-benefit analysis. The overall objective of this project is to develop a retrofit solution using Mechanically Fastened (MF) Carbon Fiber Reinforced Polymer (CFRP) plates to specifically address the most common load rating issues of hollow cored prestressed concrete slabs. As the CFRP is attached to the concrete substrate using metallic fasteners the retrofit solution does not rely on the use of an epoxy adhesive bond, nor does it require significant surface preparation. This retrofit solution is sufficiently durable to extend the service life until such time that major rehabilitation or replacement may be scheduled without the need to load post the bridge. Removing the need for an adhesive bond typical of other FRP retrofit solutions simplifies the installation procedure and facilitates field inspection.

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Mechanically Fastened CFRP to Retrofit Existing Prestressed Concrete and Steel Bridge Beams

NC Department of Transportation(8/01/17 - 7/31/20)

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Mechanically Fastened CFRP to Retrofit Existing Prestressed Concrete and Steel Bridge Beams

Sponsor: NC Department of Transportation

Start Date: 8/01/17

End Date: 7/31/20

Abstract

Prestressed concrete C-channels and cored slabs, and steel beams of various shapes and forms make up a significant percentage of the common bridge superstructure systems used by NCDOT. Many such bridges are in varying states of distress and require retrofit to extend their useful service life prior to major rehabilitation or superstructure replacement. The challenge is to develop retrofit techniques that are durable, easy to install, monitor and maintain, and that may be applied to the range of prestressed concrete and steel beam types. Critically, NCDOT must also be able to rate the proposed retrofit using approved AASHTO methods before it may be applied in the field. In many cases the retrofit may be considered temporary since the bridge may be scheduled for replacement in the near future. Temporary strengthening is intended to provide the ability to maintain a sufficiently high operating rating to keep the bridge functional while replacement is scheduled. In lieu of an acceptable retrofit, the bridge may need to be load posted or closed, often resulting in significant detours and disruption.

Close

Center for Integration of Composites into Infrastructure Membership (CICI), Full Member

NC Department of Transportation(8/01/17 - 6/30/20)

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Center for Integration of Composites into Infrastructure Membership (CICI), Full Member

Sponsor: NC Department of Transportation

Start Date: 8/01/17

End Date: 6/30/20

Abstract

Full Membership

Close

Nondestructive Concrete Characterization System

US Army(12/20/16 - 12/31/18)

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Nondestructive Concrete Characterization System

Sponsor: US Army

Start Date: 12/20/16

End Date: 12/31/18

Abstract

Traditional concrete protective structures encountered by ground forces typically have unconfined compressive strengths of between 3,000 to 6,000 psi. Recent advances in concrete technology have resulted in new concrete materials with compressive strengths of 30,000 psi or greater. No field instrument currently exists that can simultaneously determine the compressive strength, thickness, and rebar configuration of concrete structures across today’s wide range of possible compressive strengths. In STTR Phase I/II efforts, NLA Diagnostics LLC (NLAD) developed a prototype instrument that measures both compressive strength and concrete thickness up to 33,000 psi and 6 ft, respectively. NLAD has also mapped out a technical course to locate rebar within the concrete. This proposed project will take input from military operators to improve packaging of the existing technology and to implement a rebar mapping capability in order to enhance military capabilities to defeat concrete protective structures, accelerate the ability to deploy concrete characterization instruments with operating forces, and reduce the technical risks associated with engaging concrete protective structures in tactical situations.

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Center for Integration of Composites into Infrastructure Membership (CICI), Full Membership

Structural Technologies, Inc.(7/01/16 - 6/30/18)

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Center for Integration of Composites into Infrastructure Membership (CICI), Full Membership

Sponsor: Structural Technologies, Inc.

Start Date: 7/01/16

End Date: 6/30/18

Abstract

Full Membership

Close