Laser Scanning Aggregates for Real Time Property Identification

The goal of this project is to develop a portable system for determining the mineralogical composition of aggregates in the field for quality control. Laser Induced Breakdown Spectroscopy (LIBS), which involves firing a laser pulse at a sample to determine its composition from light spectra emitted and interpreted using a spectrometer and a custom program, was chosen to be the basis of the portable system. Along with system development, results were analyzed via Partial Least Squares Regression (PLSR). The current analysis technique utilizes split-training and y-scaling to analyze spectra data and performs well for most samples. The results obtained from the LIBS system was compared with X-ray Fluorescence (XRF) data provided by the New Jersey Department of Transportation (NJDOT).

Record URL:
Summary URL:
Corporate Authors:
Rowan University

Department of Civil and Environmental Engineering
201 Mullica Hill Road
Glassboro, NJ United States 08028

New Jersey Department of Transportation

1035 Parkway Avenue
Trenton, NJ United States 08625

Federal Highway Administration

1200 New Jersey Avenue, SE
Washington, DC United States 20590
Authors:
- Sukumaran, Beena
- Ramachandran, Ravi
- Lim, Michael I
Publication Date: 2016-12

Language

English

Media Info

Media Type: Digital/other
Edition: Final Report
Features: Appendices; Figures; Photos; References; Tables;
Pagination: 77p

Subject/Index Terms

TRT Terms: Aggregates; Lasers; Minerals; Portable equipment; Regression analysis; Spectroscopic analysis; Spectroscopy; X ray fluorescence
Subject Areas: Highways; Materials; Pavements;

Filing Info

Accession Number: 01650912
Record Type: Publication
Report/Paper Numbers: FHWA-NJ-2016-006
Files: TRIS, ATRI, USDOT, STATEDOT
Created Date: Nov 15 2017 11:34AM