Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
Reexamination Certificate
2006-05-16
2006-05-16
Barlow, John (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Earth science
C324S329000, C324S334000, C702S002000, C702S100000
Reexamination Certificate
active
07047134
ABSTRACT:
There is disclosed a method of selecting, in real time, a soil stabilizing protocol for clay-bearing soils occurring in construction sites. The method includes the steps of: obtaining soil conductivity data values at locations within a defined site without disturbing the surface of the soil; correlating the soil conductivity data values with corresponding estimates of soluble sulfate levels; recommending a calcium-based soil stabilizing protocol if the estimated level of soluble sulfates is less than a predetermined threshold; and performing a laboratory analysis of soil samples from selected portions of the defined site when the estimated soluble sulfate concentration equals or exceeds the predetermined threshold.
REFERENCES:
patent: 4070612 (1978-01-01), McNeill et al.
patent: 5175500 (1992-12-01), McNeill
patent: 5654637 (1997-08-01), McNeill
patent: 6853937 (2005-02-01), Shibusawa et al.
BA -J.D. McNeill, “Electrical Conductivity of Soils and Rocks”, Oct. 1980, 22 pages, BB -Thomas E. Petry and Eric Berger, “Equipment and Methods for Field Screening Indicating Soluble Sulfates”, Oct. 2-5, 2002, BC—“Ground Conductivity Meter Operating Manual”, Mar. 1999, Geonics Limited, 33 pages.
Berger Eric
Walter Diethelm
Chemical Lime Company
Gunter, Jr. Charles D.
Le John
Mosher Stephen S.
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