Correlation between CBR and k value

Provided that composition and thickness uniformity of soil layer exists, it has been found that the following relationship (HA Vol. 7 IAN 73/06) between CBR and k stands [Pg.33]

In case a smaller plate is used, kj 2 can be calculated with the following relationship [Pg.33]

Using the above relationships, the plate bearing test is used by some organisations, as well as for the estimation of CBR of soil layer, which contains a high percentage of coarse soils. [Pg.33]

This test method is used to measure the potential strength of subgrade, subbase or even base course soil materials in pavements. The R value is also used by some agencies as an acceptance criterion of the material for subgrade or even subbase/base course. [Pg.33]

The use of the test is limited nowadays, and for this reason, no detailed description will be given here. However, the reader can find all the details in the relevant standards (ASTM D 2844 2013 or AASHTO T 190 2013). [Pg.33]

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