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CBR Field Test Set

The CBR field test set is designed for making CBR determinations in the field and is built around a modified H-4156 Load Frame. CBR field testing can quickly yield a realtive strength determination without having to rely on lab tests. Field tests involve forcing a piston into the soil and comparing the depth of penetration in relation to the load placed on the piston. Typically, the reaction load used for field testing is a heavy piece of equipment, such as a loaded dump truck. Gear Box is 2-speed model with a 10,000lbf (45kN) capacity and 3.5 inches of lift. The use of the extension and connector set provides sufficient flexibilty for almost any type of height requirement.


Humboldt Mfg. Co. 3801 North 25th Avenue Schiller Park, IL 60176,
phone: 1.800.544.7220 - 1.708.456.6300, fax: 1.708.456.0137
International Sales phone: 1.708.456.6300, fax: 1.708.456.5412

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