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A 2.25kg (5lb) split surcharge weight, placed on top of a soil sample in a CBR test mould to simulat..

This is a 2.27kg/5lb set of annular surcharge weights that slip over the mould's centre post, applyi..

This 4.5kg/10lb set of annular surcharge weights slips over the mould's centre post, applying overbu..

This is a 25kg solid sealing-wax block, melted and applied to coat undisturbed soil samples (e.g. tu..

This 10lb annular surcharge weight is machined with a radial slot so it slips over the mould's centr..

This 5lb split surcharge weight is cast as two interlocking half-rings that clamp around the mould's..