What is the relation between lab/field california bearing ratio test (CBR) and the bearing capacity of soil?

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Question by rashad k: What is the relation between lab/field california bearing ratio test (CBR) and the bearing capacity of soil?

Best answer:

Answer by HumbleOpinion
The CBR rating was developed for measuring the load-bearing capacity of soils used for building roads. The CBR can also be used for measuring the load-bearing capacity of unimproved airstrips or for soils under paved airstrips. The harder the surface, the higher the CBR rating. A CBR of 3 equates to tilled farmland, a CBR of 4.75 equates to turf or moist clay, while moist sand may have a CBR of 10. High quality crushed rock has a CBR of 100.

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