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BRA-60 California Bearing Ratio (CBR) Mold Set is for use in CBR testing. The set consists of a 6x7in (152x178mm) Mold Body, 2in (51mm) Compaction Collar and a perforated Mold Base with threaded rods and wing nuts. Constructed of heavy, rust-resistant plated steel. The Mold Body, Collar and Base components are also available individually. The set and components can be used with Soil Compaction Hammers or with the HM-530 Mechanical Soil Compactor.
The BRA-60C Collar can be used with other Gilson LBR and CBR compaction molds, and can be used interchangeably on CBR and LBR molds as needed. BRA-61 CBR Spacer Disc can be used in the mold, and is purchased separately.
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