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Limerock Bearing Ratio (LBR) Mold Set consists of the Mold Body, Compaction Collar, and Base used to mold LBR samples. The base has threaded rods and wing nuts to secure the mold and collar for compaction operations. Each LBR Mold Component can be purchased separately.
The mold is 6x6in (152x152mm), IDxH, The collar is 6x2.375in (152x60mm), IDxH. The collar is interchangeable between Gilson CBR Molds and LBR compaction molds. The base is perforated as required in the test method. The assembly can be used with Soil Compaction Hammers or with a Mechanical Soil Compactor. BRA-62 LBR Spacer Disc is required and purchased separately.
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