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AASHTO TP 112
$78.00 $46.80
Standard Method of Test for Determining In-Place Density and Moisture Content of Soil and Soil-Aggregate Using Complex Impedance Methodology
Published by | Publication Date | Number of Pages |
AASHTO | 2021 | 11 |
AASHTO TP 112 – Standard Method of Test for Determining In-Place Density and Moisture Content of Soil and Soil-Aggregate Using Complex Impedance Methodology
This practice describes the procedures for determining the density and moisture content of aggregate and soil-aggregate. The practice allows for electromagnetic testing of porous construction materials in the laboratory that is used to calibrate the apparatus to these specific porous construction materials. With such calibration, the field apparatus can then be used on the construction site to test the density and moisture of the porous construction materials without the need for field calibration using a complex impedance measuring instrument (CIMI). The CIMI measures the electrical properties of the material being tested and correlates the electrical properties to the physical properties during a laboratory or field material calibration procedure. The electrical properties are typically unique for the material. During the material calibration procedure, empirically derived correlations relate the electrical and physical properties of the material using the correlation mathematics. The subsequent electrical testing of the material utilizes the established relationship of the electrical and physical characteristics to calculate the material density and moisture content. The CIMI is composed of solid state electronics that are calibrated at the time of manufacturing and no additional instrument is thereafter required.
Product Details
- Published:
- 2021
- Number of Pages:
- 11
- File Size:
- 1 file , 2.9 MB
- Product Code(s):
- TP112-21-UL, TP112-21-UL, TP112-21-UL
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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