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Title: Procedures for one-pass vehicle cone index (VCI₁) determination for acquisition support
Authors: Joint Program Office - Joint Light Tactical Vehicles (U.S.)
Stevens, Maria T.
Towne, Brent W.
Mason, George L.
Priddy, Jody D.
Osorio, Javier E.
Barela, Clint A.
Keywords: Soft soil trafficability
Ground vehicle mobility
Test procedure
Soil strength
Rating cone index
Cone index
Remold index
Soft soils
Issue Date: Aug-2013
Publisher: Geotechnical and Structures Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/GSL SR ; 13-2.
Description: Special Report
Abstract: This report describes test procedures used to measure the minimum soil strength necessary for a vehicle to consistently complete one pass successfully (one-pass Vehicle Cone Index , VCI?). The VCI? is a vehicle performance metric used to quantify mobility on soft soils. The report scope covers the specific procedures that should be used for evaluations in support of ground vehicle acquisition. The procedures define site selection criteria, test lane layout, soil data collection procedures, and analysis methodology to determine the VCI?. Rationale behind the test procedures and detailed descriptions of the principal soil strength measurement techniques are provided in supporting appendices.
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