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<p>This International Standard specifies the treatments for the measurement of the stability of soil aggregates. It</p>
<p>can be applied to a wide range of materials originating mainly from the tilled horizons of cultivated soils. It can,</p>
<p>however, also apply to any soil profile horizon, whether it is cultivated or not. Aggregates ranging from 3 mm</p>
<p>to 5 mm are measured.</p>
<p>However, the presence of gravel in the 2 mm to 5 mm fraction can distort the results. If the percentage of gravel</p>
<p>is between 10 % and 40 %, the > 2 mm fraction of the gravel obtained from the tests should be washed and</p>
<p>a mean weighted diameter (MWD, see 6.1) calculated with and without gravel. If the percentage of gravel is</p>
<p>> 40 %, the structural stability tests are not significant. The method does not apply to unstructured materials,</p>
<p>as they are not sufficiently cohesive to form millimetric aggregates.</p>
Reģistrācijas numurs (WIID)
46433
Darbības sfēra
<p>This International Standard specifies the treatments for the measurement of the stability of soil aggregates. It</p>
<p>can be applied to a wide range of materials originating mainly from the tilled horizons of cultivated soils. It can,</p>
<p>however, also apply to any soil profile horizon, whether it is cultivated or not. Aggregates ranging from 3 mm</p>
<p>to 5 mm are measured.</p>
<p>However, the presence of gravel in the 2 mm to 5 mm fraction can distort the results. If the percentage of gravel</p>
<p>is between 10 % and 40 %, the > 2 mm fraction of the gravel obtained from the tests should be washed and</p>
<p>a mean weighted diameter (MWD, see 6.1) calculated with and without gravel. If the percentage of gravel is</p>
<p>> 40 %, the structural stability tests are not significant. The method does not apply to unstructured materials,</p>
<p>as they are not sufficiently cohesive to form millimetric aggregates.</p>
