One-Step Method for Determining Water Content and Density of Soil

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Determining the water content and density of soil is very important when designing and building dams, highways, embankments, and foundations. Methods used in the past include cumbersome and primitive manual technologies or nuclear-based technologies that are hazardous and expensive.

Purdue University researchers have developed a new, one-step method for determining water content and density of soil in place, allowing for accurate measurements, faster testing, and a much safer testing environment. In addition, this technology provides a scheme for obtaining soil-specific calibration factors and procedures for adjusting data obtained from a test to improve the accuracy of resulting water content and density.

Advantages:
-Reliable and safe determination of soil water content and density
-Allows for an increase in number of samples taken due to the quick process of soil sampling
-Relatively low cost of obtaining the sample information when compared to previously used methods

Potential Applications:
-Construction industry
Feb 17, 2004
Utility Patent
United States
7,040,145
May 9, 2006

Feb 18, 2004
PCT-Patent
WO
(None)
(None)

Feb 18, 2003
Provisional-Patent
United States
(None)
(None)
Purdue Office of Technology Commercialization
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