Evaluating Applications of Field Spectroscopy Devices to Fingerprint Commonly Used Construction Materials (2013) / Chapter Skim
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1One of the goals of the second Strategic Highway Research Program (SHRP 2) is to develop new methods and materials for preserving, rehabilitating, and reconstructing the aging U.S.
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2of polymer additives in asphalt binders and determination of the water or solvent content in paints. Portable XRF was determined to be suitable for QA/QC of paints and epoxies on the basis of their metal content (Ti or Zn)
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3Table ES.1. Summary of SHA Survey for Field Evaluation Needs Material Category Spectroscopic Method Objective Average Score Structural coatings and pavement markings ATR FTIR Raman XRF Verification of chemical composition 3.05 ATR FTIR Raman XRF Verification of presence of solvents/diluents 2.73 Epoxy adhesives ATR FTIR Verification of chemical composition 2.68 Chemical admixtures for PCC ATR FTIR Verification of presence of admixture in fresh/ cured PCC mix 2.65 Curing compounds for PCC ATR FTIR Raman Verification of chemical composition/degree of cure (water content)
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4It should be noted that because of time and budget constraints, a limited range of portable spectroscopic instruments was evaluated in this study. For instance, neither handheld FTIR nor portable time-domain NMR devices were available for the research team.
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