AASHTO(sieve = NA, size = NA, percent = NA, metric = NA, p10 = NA, p40 = NA, p200 = NA, LL = NA, PL = NA, PI = NA, NP = NA)
GI(p200, LL, PL = NA, PI = NA)
AASHTO
: AASHTO group classification
GI
: AASHTO group index (rounded to the nearest
integer)
In the GI function, either PL or PI must be specified in addition to the required arguments: F and LL.
ASTM (2010). "Annual Book of ASTM Standards", Volume 04.08 -- Soil and Rock, ASTM International, Philadelphia.
USCS
, grainSize
,
Plasticity
## Example code for AASHTO group classification
AASHTO(p10 = 51, p40 = 30, p200 = 15, LL = 40, PI = 10)
## Example code for AASHTO group index
GI(p200 = 48, LL = 45, PI = 21)
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