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If you just google something like 'per-axle weight to the fourth power' you find lots of sources.
by sampo 10y ago
If you just google something like 'per-axle weight to the fourth power' you find lots of sources.
- logfromblammo 10y agoThe AASHO Road Test is the ultimate source for the 4th power rule. https://en.wikipedia.org/wiki/AASHO_Road_Test https://en.wikipedia.org/wiki/AASHO_Road_Test