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why is AASHTO ESAL 18-kips? 32 kips is maximum axle load for HS20-44?

why is AASHTO ESAL 18-kips? 32 kips is maximum axle load for HS20-44?

why is AASHTO ESAL 18-kips? 32 kips is maximum axle load for HS20-44?

(OP)
I have a situation where I need to design a reinforced slab where HS20-44 loading will pass thru.
I will be designing it using 16kip (32kps/2) point loads on wheel location of slab.
is this ok?

how did aashto come up with 18-kip ESAL?

RE: why is AASHTO ESAL 18-kips? 32 kips is maximum axle load for HS20-44?

I'd use the axle loads and calculate the live load distribution for the entire axle, similar to a slab bridge design.

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