Structural composites Archives - Transportation Infrastructure Durability Center

Structural composites

Project 2.20: Efficiency of Fiber Reinforcement in Ultra-high Performance Concrete

Efficiency of Fiber Reinforcement in Ultra-high Performance Concrete Project 2.20 Project Summary The proposed research aims at investigating the efficiency of fiber reinforcement in ultra-high performance concrete (UHPC) mixtures. This proposed research is a necessary step for the successful completion of the development of non-proprietary UHPC mixtures. Since fiber reinforcement is the most expensive part […]

sensor placement under grist mill bridge

Project 3.17: Assessment of CT Girder Load Distribution and Web Buckling Through Field Load Testing and Finite-Element Analysis

Assessment of CT Girder Load Distribution and Web Buckling Through Field Load Testing and Finite-Element Analysis Project 3.17: Field Live Load Testing and Advanced Analysis of Concrete T-Beam Bridges to Extend Service Life Project Summary Recent and ongoing research has highlighted the need to better understand and quantify web shear capacity as well as the […]

Project 3.21: GBeam Bridge Girder Pultrusion: Section Design and Optimization

GBeam Bridge Girder Pultrusion: Section Design and Optimization Project 3.21 Project Summary The GBeam girder system, recently developed by the University of Maine (Dagher et al. 2019; Davids et al. 2022a; Davids et al. 2022b), holds significant promise for widespread application in conventional, slab-on-girder bridges. Its successful initial implementation is driven by enhanced durability, low […]

Project 2.18: Recycling Large-Scale 3 D-Printed Polymer Composite Precast Concrete Forms

Recycling Large-Scale 3 D-Printed Polymer Composite Precast Concrete Forms Project 2.18 Project Summary Large-scale thermoplastic composite extrusion-based 3D printing has been used in research labs and is moving into industry. One significant use of large-scale 3D printing has been to make forms for manufacturing precast concrete parts. Once the forms have been used for casting […]

Project 2.17: Design and Development of High-Performance Composites for Improved Durability of Bridges in Rhode Island

Design and Development of High-Performance Compositesfor Improved Durability of Bridges in Rhode Island Project 2.17 Project Summary Transportation infrastructure is the backbone of our economy. But the current condition of America’s deteriorating transportation infrastructure network has raised serious concerns on safety, quality of life, and economic impacts. According to the recent American Society of Civil […]

Project 3.16: CT bridge girder sections with precast decks and FRP girder-deck shear

CT Bridge Girder Sections with Precast Decks and FRP Girder-Deck ShearConnectors Project 3.16 Project Summary UMaine recently developed and commercialized, in partnership with AIT Bridges, a novel, fiber‐reinforced polymer (FRP) composite bridge girder. This project focuses on the assessment of the fiber‐reinforced polymer tub girder (CT girder) with precast concrete decks and new, FRP girder‐deck […]

Image of water coming out of a culvert diffuser opeing

Project 2.11: Culvert Rehabilitation using 3D Printed Diffusers

Culvert Rehabilitation using 3D Printed Diffusers Project 2.11

Project 3.14: FRP-Concrete Hybrid Composite Girder Systems: Web Shear Strength and Design Guide Development

FRP-Concrete Hybrid Composite Girder Systems: Web Shear Strength and Design Guide Development Project 3.14 Project Summary UMaine recently developed and commercialized, in partnership with AIT Bridges, a novel, fiber-reinforced polymer (FRP) composite bridge girder. This project will assess the shear strength of foam-core webs of the girders using a combined experimental and analytical approach. Data […]

Project 3.10: Assessment and optimization of double CT bridge girder sections with longitudinal precast decks

Assessment and Optimization of Double Ct Bridge Girder Sections With Longitudinal Precast Decks Project 3.10 Project Summary This project focuses on the extension of novel, fiber-reinforced polymer tub girder (CT girder) sections to incorporate precast concrete deck panels. This will extend the application of this new bridge technology by modularizing construction, optimizing the use of […]

C11.2019 cover image, UMass workers inspecting bridge girders

Project C11-2019: Development of a system-level distributed sensing technique for long- term monitoring of concrete and composite bridges

Development of a System-level Distributed Sensing Technique for Long-Term Monitoring of Concrete and Composite Bridges Project C11.2019 Project Summary The problem we are trying to solve is the long-term monitoring problem of bridges (e.g., concrete and composite bridges), using multiple modes of sensing technology including distributed fiber optic, video motion, conventional strain gauge, and electromagnetic […]

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