LBR Equipment

Gilson offers a complete line of individual products and equipment sets needed to perform the Florida FM-5-515 Limerock Bearing Ratio (LBR) test. Many of these products share the same requirements as the California Bearing Ratio (CBR) test.


  • Gilson Load Frames are available in 10,000 and 20,000lbf in varying strain rates. The frames can be adapted with available sets and components to run a variety of laboratory soils tests.
  • LBR Load & Displacement Measurement Products measure loads and displacement when conducting CBR or LBR tests. Many are available together in comprehensive sets, and all are available as individual items.
  • LBR Test Set consists of the Molds, Surcharge Masses, Swell Plates, and Filters necessary for preparing up to four Limerock Bearing Ratio samples.
  • LBR Components include the LBR mold assemblies and other individual items for conducting the LBR test.