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Test 1:
Liebherr L580 2 plus 2 wheel loader with full bucket (approx.12,000 kg additional load), total weight 35,000 kg, axles load measured at front
of 28,000 kg,i.e. loading per front wheel 14,000 kg.
Result: No damage to the unfilled grass-covered honeycomb, not even at higher speeds.
Test 2:
Articulated Liebherr Bell B35D dumper, dead weight 26,700 kg, additional load 32,500 kg, total weight approx. 60,000 kg.
Result: No damage to the unfilled grass-covered honeycomb when driven over by dumper not even when fully laden or at a slight turning angle.

     Grass-covered Honeycombs by Ing. Prestele® can withstand loads even when unfilled!