California Bearing Ratio (CBR) testing is primarily undertaken to provide data for road pavement design. EMS are able to undertake in-house CBR testing using mexecone penetrometer (suitable for fine-grained soils) or a dynamic cone penetrometer (DCP) is more suitable for granular mixed soils. In addition EMS are able to provide (via a specialist testing laboratory) vehicle mounted CBR testing and plate load testing.

CBR testing is undertaken for the design of highways and housing estate roads to determine the strength of the subgrade soil and enable appropriate selection of suitable pavement thickness for the anticipated traffic density together with any precautions for frost heave.

 

CBR testing is undertaken for the design of highways and housing estate roads to determine the strength of the subgrade soil and enable appropriate selection of suitable pavement thickness for the anticipated traffic density together with any precautions for frost heave.

EMS undertake Dynamic Cone Penetration (DCP) tests with TRL Foundation Tester and MEXECONE to provide a rapid, cost effective, in situ assessment of subgrade CBR.

The test can be undertaken from the surface or within a trial pit, the trial pit can also be used to assess building foundation design if required.

The DCP and MEXECONE provide an accurate assessment of CBR at a much lower cost and shorter timescale than conventional plate load tests. Soil samples from the trial pit can be scheduled for compaction and laboratory CBR tests to provide additional data if required.

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Soakaway Testing

 

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