Real Time Laser Scanning of Aggregate Materials in Highway Construction: Technical Summary

Chesner, Warren H.; McMillan, Nancy J.; New Mexico State University; Chesner Engineering P.C.

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Real Time Laser Scanning of Aggregate Materials in Highway Construction: Technical Summary

2016-12-01
By Chesner, Warren H. ; McMillan, Nancy J.

English

Details You May Also Like

Details:

Creators:

Chesner, Warren H. ; McMillan, Nancy J.

Chesner, Warren H. ; McMillan, Nancy J. Less -
Corporate Creators:

New Mexico State University ; Chesner Engineering P.C.

New Mexico State University ; Chesner Engineering P.C. Less -
Corporate Contributors:

Kansas. Dept. of Transportation ; United States. Federal Highway Administration

Kansas. Dept. of Transportation ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Absorption Acid Insoluble Residue Aggregates D Cracking Highways Laser Induced Breakdown Spectroscopy Laser Scanning Materials Quality Control Real Time Information Specific Gravity
Publication/ Report Number:

FHWA-KS-16-13
Resource Type:

Tech Report
Geographical Coverage:

Kansas ; United States

Kansas ; United States Less -
TRIS Online Accession Number:

01622261
Corporate Publisher:

United States. Federal Highway Administration ; Kansas. Dept. of Transportation

United States. Federal Highway Administration ; Kansas. Dept. of Transportation Less -
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Materials
Abstract:

The referenced technology is based on a process referred to as Laser Induced Breakdown Spectroscopy (LIBS). In this process, a high-powered laser pulse is used to excite atoms that make up the aggregate. This excitation results in the emission of light from a range of unique wavelengths (spectrum) that can be thought of as a “fingerprint” of the material. The development of a database of spectra or fingerprints of many aggregate materials with known engineering properties provides the basis for employing numerical techniques (models), similar to “fingerprint matching,” to identify the properties of unknown aggregate material.
Format:

PDF
Funding:

C1964
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:0005632f8293743cc8e791587f1e264a5d1202e1c18f271479e686122317595c
Download URL:

https://rosap.ntl.bts.gov/view/dot/36874/dot_36874_DS1.pdf
File Type:

[PDF-350.30 KB]