Lesson 4/Learning Event 3
procedures:
Weigh the empty dry cone and jar, and record the weight (in grams).
Screw the cone lightly on the jar, place the apparatus upright and open the valve.
Fill the apparatus with water at room temperature until the water level stands some distance up in
the top cone. Make sure no air bubbles are trapped in the apparatus.
Close the cone valve, pour off the excess water, shake the apparatus to check for entrapped
bubbles, and dry the cone and outside of the apparatus.
Weigh the water-filled apparatus and record the weight (in grams).
Figure 28 shows the apparatus used in the sand displacement method.
FIGURE 28. SAND DISPLACEMENT METHOD APPARATUS
Figure 29 is the front of data sheet, DD Form 1215, you will use to record the data from the disturbed
sample methods. In this case, the data is from tests using the sand displacement method.
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