This test method utilises a 4.5 kg hand rammer resulting in a heavier compactive effort than the 2.5 kg test method. Compactive energy some 4.5 times greater is applied to the sample using the heavier rammer.

The method is often specified where higher levels of compaction are necessary in a structure, e.g. an airfield sub-base material. Manufactured from corrosion protected steel components the 4.5 kg rammer is designed to withstand heavy usage involved in the test method.

Straight Edge 300mm.

300 mm

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BS Compaction Rammer 4.5Kg Wt.

50mm diameter with 450mm drop, manufactured from corrosion protected steel.

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