- Author
-
Chung, R. M.
|
Bur, A. J.
|
Reasner, E.
- Title
- Development of an NBS (National Bureau of Standards) Polymer Gage for Dynamic Soil Stress Measurement.
- Coporate
- National Bureau of Standards, Gaithersburg, MD
- Sponsor
- Air Force Armament Center, Elgin AFB, FL
Air Force Engineering and Services Center, Tyndall AFB, FL
- Report
-
NBSIR 85-3135
April 1985
- Distribution
- Available from National Technical Information Service
- Keywords
-
measuring instruments; soils; stresses; blast loads; performance tests; polymers; protective coverings; calibrating; dynamic loads
- Abstract
- Polymer gages developed by the National Bureau of Standards (NBS) have been tested extensively in the NBS Geotechnical Engineering Laboratory to evaluate their capability and reliability for use in determining dynamic soil stresses generated by blast loadings. Penetration of soil grains into the gage surface was found to be the major concern and a major effort was undertaken to develop the most appropriate protective covering. Gages were dynamically loaded to develop their corresponding calibration curves.