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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations

Overview

 

Research and Development (R&D) Project Sites

Project Information
Project ID:   FHWA-PROJ-10-0015
Project Name:   Carbon Nanotube-Based Self-Sensing Concrete for Pavement Structural Health Monitoring
Project Status:   Completed
Start Date:  March 9, 2010
End Date:  March 9, 2012
Contact Information
Last Name:  Munley
First Name:  Eric P
Telephone:  202-493-3046
E-mail:  eric.munley@dot.gov
Office:   Office of Infrastructure Research and Development
Team:   Hazard Mitigation Team [HRDI-50]
Program:   Exploratory Advanced Research
Project detail
Roadmap/Focus area(s):   Infrastructure Research and Technology Strategic Plan and Roadmap
Project Description:   Phase 1: Feasibility tests of the carbon nanotube (CNT) enhanced concrete for stress sensing in pavement. Fabricate self-sensing CNT enhanced concrete and use indoor and outdoor lab tests to evaluate their feasibility for detecting stress levels in pavement.Phase 2: Road test of the self-sensing CNT concrete for pavement health monitoring in a Minnesota Road Research Project (MnROAD) controlled road facility. Explore weigh-in-motion (WIM) detection feasibility. Perform road tests to evaluate the CNT enhanced concrete pavement for stress sensing in controlled road environments. The self-sensing concrete will also be explored for WIM detection.
Goals:   The key project objective is to develop a new intelligent self-sensing concrete pavement that can monitor its own structural health by continuously detecting internal stress level changes of the pavement.
Product Type:   Research report
Test Methodology:   Phase 1 (a) Indoor lab tests of the smart concrete for stress sensing (static, dynamic, impulsive) and influence of temperature and moisture. (b) Outdoor lab tests for stress sensing (including sensor design). Phase 2 (a) Methods for fabricating carbon nanotube on a large scale. (b) Road tests for carbon nanotube. (c) Feasibility study for weigh-in-motion data from nanosensors.
Expected Benefits:   The expected benefit is the enhancement of continuous real-time monitoring of pavement health in a large area. Carbon nanotubes may also increase concrete strength and durability in a pavement environment.
Deliverables: Name: Initial research into use of carbon nanotube (CNT) in pavements.
Product Type(s): Research report
Description: Carbon nanotubes (CNTs) may enhance real-time monitoring of pavement health in a large area continuously. Carbon nanotubes may also increase concrete strength and durability in a pavement environment.
FHWA Topics:   Roads and Bridges--Pavement and Materials
TRT Terms:   Infrastructure
Research
Concrete
Materials
Pavements
Durability
FHWA Disciplines:   Pavement and Materials
Subject Areas:   Data and Information Technology
Materials
Pavements

 

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