Electrical Resistivity Used to Measure Liquefaction of Sand

by Ronald A. Erchul, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Virginia Military Inst., Lexington, Va. 24450,
Ronald C. Gularte, (M.ASCE), Asst. Prof.; Dept. of Naval Systems Engrg., U.S. Naval Academy, Annapolis, Md. 21402,


Serial Information: Journal of the Geotechnical Engineering Division, 1982, Vol. 108, Issue 5, Pg. 778-782


Document Type: Journal Paper

Abstract:

Laboratory data is presented to show that liquefaction of cohesionless soils can be evaluated by electrical resistivity techniques. In addition this same material can be monitored by electrical resistivity techniques during energy input and subsequent stabilization. The instrumentation used in this study can be adapted to field measurements. The results (resistivity measurements) in this investigation are repeatable, and increase with increasing energy input. Applications of this work include soil improvement techniques such as deep dynamic compaction.



Subject Headings: Soil liquefaction | Soil dynamics | Compacted soils | Laboratory tests | Cohesionless soils | Electrical resistivity | Electric power | Field tests

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