Develop nondestructive rapid pavement quality assurance/quality control evaluation test methods and supporting technology : project summary.
-
2017-01-01
Details:
-
Alternative Title:0-6874 : Develop nondestructive rapid pavement quality assurance/quality control evaluation test methods and supporting technology : project summary.
-
Creators:
-
Corporate Creators:
-
Corporate Contributors:
-
Subject/TRT Terms:
-
Resource Type:
-
Geographical Coverage:
-
Corporate Publisher:
-
Abstract:The findings from the proof of concept with mechanics-based models for flexible base suggest additional validation work should be performed, draft construction specification frameworks should be developed, and work extending the technology to stabilized materials should be performed.
The proof of concept with the CMS showed that the technology can accurately map roller passes to verify application of the prescribed rolling pattern and that the compaction index principle in the CMS does appear viable for measuring density in real time. These findings with the CMS open up the possibility of passive inspection, where technology can minimize the exposure of inspectors in the work zone while still achieving (and actually increasing) testing coverage. The findings with the CMS suggest that additional variables need exploration in the density prediction model to improve density prediction accuracy.
The proof of concept with GPR for asphalt mixture quality assurance showed good to excellent correlation with standard field compaction acceptance measurements, demonstrating the technology could potentially offer a solution for near-full-coverage quality assurance with minimum disruption to traffic. The findings using GPR for asphalt mixture quality assurance suggest additional work is needed to better identify when a new calibration procedure is required or identify how to adjust calibration curves to changes in the job-mix formula.
-
Format:
-
Funding:
-
Collection(s):
-
Main Document Checksum:
-
File Type:
Supporting Files
-
No Additional Files
More +