2020

Large metal helical pile sitting on a pallet

Project C17:2020: Durability of Modified Helical Piles Under Lateral and Torsional Loads: Embracing Efficient Foundation Alternatives to Support Lightweight Transportation Structures

Durability of Modified Helical Piles Under Lateral and Torsional Loads: Embracing Efficient Foundation Alternatives to Support Lightweight Transportation Structures Project C17.2020 Project Summary Modified helical (i.e. screw) piles are lightweight deep foundation elements that are screwed into the ground and efficiently generate geotechnical compressive and uplift resistance by mobilizing the shear strength of soil adjacent […]

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Project 4.09: Analysis of Covid-19 and Travel In Maine (ACTIME) Validation Study

Analysis of Covid-19 and Travel In Maine (ACTIME) Validation Study Project 4.9 Project Summary The project will support Maine DOT by validating the accuracy of Streetlight Insight® Metrics AADT data using data collected at permanent and temporary count stations in Maine. We are investigating the accuracy of seasonal (monthly), daily and hourly variations in AADT […]

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c19.2020 cover image showing satellite image of buildings and parking lots next to river that is shown with thermal imaging

Project C19.2020: Damage Modeling, Monitoring, and Assessment of Bridge Scour and Water Borne Debris Effects for Enhanced Structural Life

Damage Modeling, Monitoring, and Assessment of Bridge Scour and Water Borne Debris Effect for Enhanced Structural Life Project C19.2020 Project Summary The objective of this project is to evaluate bridge failure risk due to bridge scour and waterborne debris impacts to enable predictive management for enhanced structural life. The proposed multi-disciplinary project will establish a […]

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Project 3.13: Investigating the Effectiveness of Enzymatic Stabilizers for Reclaimed Stabilized Base Projects

Investigating the Effectiveness of Enzymatic Stabilizers for Reclaimed StabilizedBase Projects Project 3.13 Project Summary The overarching goal of this project is to evaluate the effectiveness of enzymatic stabilizers in RSB projects in Vermont and the New England (NE) region. The outcomes of this project will assist engineers in (i) determining the appropriate enzymatic agent for […]

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Project 2.12: Evaluation of Processed Glass Aggregate for Utilization in Transportation Projects as A Sand Burrow.

Evaluation of Processed Glass Aggregate for Utilization in Transportation Projects as A Sand Burrow. Project 2.12 Project Summary “Sand borrow” is a sand-like material most commonly used as a subbase under pavements. To provide good drainage and protect the pavement from frost heaves, the sand borrow material is required to have a low content of […]

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Project 2.13: Performance Structural Concrete Optimized for Cost, Durability and Manufacturability

Performance Structural Concrete Optimized for Cost, Durability and Manufacturability Project 2.13 Project Summary The primary goal is to develop prescriptive concrete mix designs that meet modern high- performance durability requirements while being practical to manufacture with New England-sourced materials and suppliers. These new Performance Concrete or High Performance Concrete (HPC) mix designs use graded aggregates, […]

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Project C20.2020: Advanced Sensing Technologies for Practical UAV-Based Condition Assessment

Advanced Sensing Technologies for Practical UAV-Based Condition Assessment Project C20.2020 Project Summary The problem we are trying to investigate is the synergistic application of unmanned aerial vehicles (UAVs) with active acoustic sensing (AAS) and synthetic aperture radar (SAR) for the underside inspection of bridge decks. The problem is important because that employing such UAV-AAS-SAR system […]

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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. […]

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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 […]

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