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Research and Development (R&D) Project Sites

Project Information
Project ID:   FHWA-PROJ-09-0023
Project Name:   Accelerated Determination of Alkali-Silica Reaction Susceptibility During Concrete Prism Testing Through Nonlinear Resonance Ultrasonic Spectroscopy
Project Status:   Completed
Start Date:  July 31, 2009
End Date:  June 28, 2013
Contact Information
Last Name:  Virmani
First Name:  Paul
Telephone:  202-493-3052
E-mail:  paul.virmani@dot.gov
Office:   Office of Infrastructure Research and Development
Team:   Infrastructure Management Team [HRDI-60]
Program:   Alkali-Silica Reactivity
Project detail
Roadmap/Focus area(s):   Infrastructure Research and Technology Strategic Plan and Roadmap
Project Description:   The objective of this study is to develop a reliable rapid Nondestructive Evaluation (NDE) technique for assessing and quantifying the alkali-silica reactivity (ASR) in aggregate and aggregate/paste combinations. The American Society for Testing and Materials (ASTM) C1293 test method is accurate, but it takes one to two years to complete. On the other hand, ASTM C 1260 is an accelerated laboratory test method, but its accuracy to predict field performance is not good.
Product Type:   Research report
Test Methodology:   Nonlinear Resonance Ultrasonic Spectroscopy
Expected Benefits:   The expected benefit is a rapid alkali-silica reactivity method to evaluate aggregate reactivity.
Deliverables: Name: Report
Product Type(s): Research report
Description: The product is equipment for alkali-silica reactivity (ASR) aggregate reactivity.
FHWA Topics:   Roads and Bridges--Pavement and Materials
TRT Terms:   Maintenance
Alkali Silica Reactions
FHWA Disciplines:   Pavement and Materials
Subject Areas:   Research


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