geotech.lab.index.get_plastic_limit#

DataFrame.geotech.lab.index.get_plastic_limit()#

Calculate and return the plastic limit according to ASTM D4318.

The plastic limit is calculated as the average of two moisture content measurements for the plastic limit test.

Requires:

plastic_limit_1_moisture_content

plastic_limit_2_moisture_content

Returns:

Series: Series with plastic limit values.

References

[1]

ASTM International. (2018). Standard test methods for liquid limit, plastic limit, and plasticity index of soils (ASTM D4318-17e1). https://doi.org/10.1520/D4318-17E01

Examples

>>> df = pd.DataFrame(
...     {
...         "point_id": ["BH-1"],
...         "bottom": [1.0],
...         "plastic_limit_1_moisture_content": [29.7],
...         "plastic_limit_2_moisture_content": [29.1],
...     }
... )
>>> df.geotech.lab.index.get_plastic_limit()
0    29.4
Name: plastic_limit, dtype: Float64