![]() The method is often specified where higher levels of compaction are necessary in a structure, e.g. Compactive energy some 4.5 times greater is applied to the sample using the heavier rammer. The mould and hammer is manufactured from corrosion protected steel components to withstand the heavy usage involved in the test.Ĭompaction Test 4.5 kg BS 1377-4, 1924-2, EN DD ENV 1997-2 This test method utilises a 4.5 kg hand rammer resulting in a heavier compactive effort than the 2.5 kg test method. Often referred to as the 'Proctor' test it is suitable for soils containing particles no larger than 20mm. ![]() ![]() Dry Density/Moisture Relationship BS/EN DD ENVĬompaction Test 2.5 kg BS 1377-4, 1924-2, EN DD ENV 1997-2 This test method utilises a 2.5 kg hand compaction hammer and a one litre capacity compaction mould.
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