Project C05.2018: Leveraging High-Resolution LiDAR and Stream Geomorphic Assessment Datasetsto Expand Regional Hydraulic Geometry Curves for Vermont: A Blueprint for NewEngland States

Leveraging High-Resolution LiDAR and Stream Geomorphic Assessment Datasets to Expand Regional Hydraulic Geometry Curves for Vermont: A Blueprint for New England States Project C5.2018 Project Summary Regional hydraulic geometry curves (RHGCs) for Vermont have been updated through development of additional observations and use of newly-available high-resolution lidar and stream geomorphic assessment data to improve the […]

June 1, 2019

Project 2.10: Durability Evaluation of Carbon Fiber Composite Strands in Highway Bridges

Durability Evaluation of Carbon Fiber Composite Strands in Highway Bridges Project 2.10 Project Summary The objectives of this project are to monitor the structural performance of carbon fiber composite cable (CFCC) strands in the Penobscot Narrows Bridge, a cable-stayed bridge, to evaluate long-term durability, and to assess durability of carbon fiber reinforced polymer (CFRP) strands […]

Project 3.11: Assessment of Micropile-Supported Integral Abutment Bridges

Assessment of Micropile-Supported Integral Abutment Bridges PHASE 2: Flexural Strength and Durability of Micropile Threaded Connections Project 3.11 Project Summary Integral abutment bridges (IABs) are the preferred method of construction by Maine Department of Transportation (DOT) and other transportation agencies throughout the United States due to their durability and reduced upfront and life-cycle costs. Shallow […]

September 1, 2019

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 […]

January 1, 2020

Project 2.02: Concrete Systems for a 100-Year Design Life

Concrete Systems for a 100-Year Design Life Project 2.02 Project Summary The overall objective is to develop a suite of highly durable concrete systems suitable for a range of transportation infrastructure applications, given the range of constituent availability (e.g. appropriate aggregates, supplementary cementitious materials), conventions for structural details, and typical New England exposure conditions ranging […]

March 1, 2020

Project C09.2019: A New Method of Determining Payment for In-Place Concrete with Double- Bounded Compressive Strength Pay Factors

A New Method of Determining Payment for In-Place Concrete with Double-Bounded Compressive Strength Pay Factors Project C9.2019 Project Summary The Vermont Agency of Transportation (VTrans) currently uses a lower acceptance limit on 28-day concrete compressive strength (CCS) of 4,000 psi for acceptance of in-place concrete in its construction projects. Over time, to mitigate risk, the […]

April 1, 2020

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 […]

July 1, 2020

Project 4.10: Road Salt Impact Assessment (Safety Study)

Road Salt Impact Assessment (Safety Study) Project 4.10 Project Summary The proposed study supports a project sponsored by Maine DOT titled as “Road Salt Impact Assessment.” Winter weather and maintenance treatments have significant impact on highway safety and operations. Understanding the safety impact of these factors directly influence decisions on diminishing maintenance funds, and cost-benefit […]

August 15, 2020

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 […]

August 19, 2020

Project 4.11: Safety Assessment of New England Roadways during the COVID-19 Pandemic

Safety Assessment of New England Roadways during the COVID-19 Pandemic Project 4.11 Project Summary Safety assessment of roadway facilities is a critical task to maintain the system operational efficiency of transportation infrastructure. The comprehensive stay-at-home orders implemented in response to the COVID-19 pandemic have resulted in massive reductions in traffic volumes, especially on major highways. […]

September 15, 2020