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Bridges

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 […]

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 […]

Image of Penobscot Narrows suspension bridge

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 3.12 Cover Image, areal view of bridge

Project 3.12: Lateral loading of unreinforced rigid elements and basal stability of column-supported systems

Lateral Loading of Unreinforced Rigid Elements and Basal Stability of Column-Supported Systems Project 3.12 Project Summary The use of rigid column-support to stabilize fill embankments and MSE walls continues to grow in popularity, especially among DOTs and transportation agencies for roadway, railway, and bridge applications because of its distinct advantage in accelerating construction in fill […]

Two FRP bridge girders being lifted by a crane

Project 3.04: Testing, Monitoring and Analysis of FRP Girder Bridge with Concrete Deck

Testing, Monitoring and Analysis of FRP Girder Bridge with Concrete Deck Project 3.4

C3.2018 cover image sensors connected to corrosion bath

Project C03.2018: Condition Assessment of Corroded Prestressed Concrete Bridge Girders

Condition Assessment of Corroded Prestressed Concrete Bridge Girders Project C3.2018 Project Summary The problem we are trying to solve is the condition assessment of corroded prestressed concrete (PC) bridge girders in New England. The problem is important because that PC bridge girders are a critical component of highway bridges. Concrete spalling and prestressing strand corrosion […]

Project 2.07: High Performance Concrete with Post-Tensioning Shrinking Fibers

High Performance Concrete with Post-Tensioning Shrinking Fibers Project 2.7 Project Summary This research improves upon the technique of reinforcing concrete with dispersed fibers by having the fibers axially shrink after curing to produce a dispersed multi-axial post-tensioned state. Such reinforcing may increase the crack resistance and durability of the concrete. Preliminary benchtop testing with natural […]

Project 1.05: Distributed Fiber Optic Sensing System for Bridge

Distributed Fiber Optic Sensing System for BridgeMonitoringracking in Highway Bridges Project 1.5 Project Summary The deterioration of infrastructure presents a major challenge for the economy of any country. Additionally, the risk factor of possible loss of life has made Structural Health Monitoring (SHM) an important approach to evaluate the status of any civil infrastructure. Among […]

Project 1.04: Electromagnetic Detection and Identification of Concrete Cracking in Highway Bridges

Electromagnetic Detection and Identification of Concrete Cracking in Highway Bridges Project 1.4 Project Summary The problem we are trying to solve is the structural assessment of aging concrete bridges (reinforced and pre-stressed) in New England, targeting at concrete cracking and degradation (e.g., carbonation, alkali-silica reaction). The problem is important because that the integrity of concrete […]

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