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Produces the grain-size plot. 1 December 2015
grainSize.plot(sieve = NA, size = NA, percent, metric)
Plot of soil's grain-size distribution
= vector of sieve numbers according to ASTM D422
= vector of grain sizes (in or mm)
= vector of percent passing
= logical variable: TRUE for metric units (mm), FALSE for English units (in)
Kyle Elmy and Jim Kaklamanos
sieve.example <- c(3/8, 4, 10, 20, 40, 140, 200) percent.example <- c(95.72, 90.23, 81.49, 66.36, 50.00, 8.51, 4.82) grainSize.plot(sieve = sieve.example, percent = percent.example, metric = TRUE)
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