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California Bearing Capacity
CBR
what is CBR
01
Is a penetration test used to evaluate the subgrade strength of roads and pavements.In which a standard piston, with a diameter of 50 mm (1.969 in), is used to penetrate the soil at a standard rate of 1.25 mm/minute.
02
What is CBR used for?
CBR) test is run on soils to gauge the strength of the subgrade as compared to a dense graded aggregate. CBR is one of the major factors used in pavement design to determine how thick the pavement should be.
Things we need
hammer
scraper
shovel
no.4 sieve
compaction mold
spacer disk
- How to calculate CBR value?
- Where can we find standard values?
here's the standard load and penetration
Searching for normal range of CBR based on soil classification ? check the table below
California Bearing capacity
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Created on April 18, 2021
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Transcript
+ INFO
+ INFO
California Bearing Capacity
CBR
what is CBR
01
Is a penetration test used to evaluate the subgrade strength of roads and pavements.In which a standard piston, with a diameter of 50 mm (1.969 in), is used to penetrate the soil at a standard rate of 1.25 mm/minute.
02
What is CBR used for?
CBR) test is run on soils to gauge the strength of the subgrade as compared to a dense graded aggregate. CBR is one of the major factors used in pavement design to determine how thick the pavement should be.
Things we need
hammer
scraper
shovel
no.4 sieve
compaction mold
spacer disk
here's the standard load and penetration
Searching for normal range of CBR based on soil classification ? check the table below