Dual-Mass Penetrometers to Determine Shear Strength and CBR

Penetrometer, Dual-Mass

Dynamic Cone Penetrometers (DCPs) were developed by the Army Corps of Engineers and provide a low-cost, efficient test method for quickly determining the in-situ CBR values of pavement base, sub base and sub grades.

The shear strength of soils is especially important in its relation to the bearing capacity of soil used as a support for structures such as roads. Dual Mass Penetrometers can be used for depths from 30 inches to 6 foot and can measure in-place soil shear strength in road constructions with CBR values from less than 0.5 to 100%.

Humboldt provides high quality penetrometer equipment and all the necessary components for accurate testing procedures.

Smart DCP for Dual-Mass Penetrometers – The SmartDCP makes collecting soil data with your Dynamic Cone Penetrometer much easier by automatically counting blows and eliminating the need for tape, pencils, paper and at times a second operator. It also provides vastly improved accuracy and ease of collecting and transferring data from the field to the office.

Dual-Mass Dynamic Cone Penetrometer, Threaded Ends – provide a low-cost, efficient test method for quickly determining the in-situ California Bearing Ratio values of pavement base.

Dual-Mass Dynamic Cone Penetrometer, Quick-Connect End – the same high quality Dual Mass DCP you expect from Humboldt, with a quick connect design.

Dynamic Cone Penetrometer Test Set – DCP Test Set with sleeved drive hammer for safer operation.

Pocket Type Soil Penetrometer – For use by field personnel to check visual classification of soils. The hand penetrometer can be used to make quick estimates of unconfined compressive strength of cohesive soils.

If you have questions or need help selecting equipment, please call us at 1.800.544.7220 or use our Ask Humboldt form.

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