ESALs from FHWA Truck Class

GeoEIT · Dec 2, 2019

Hi All,

I'm looking for help calculating ESALs from truck classes. I was provided traffic data for different FHWA truck classes, but I can't find axle loading based on these classes. Does FHWA/ AASHTO or some other organization have a resource that would help?

Thanks for any help!

fel3 · Dec 2, 2019

GeoEIT....

One source that may help is the Caltrans Highway Design Manual §613. You can find it here:

https://dot.ca.gov/programs/design/manual-highway-design-manual-hdm

(you want Chapter 610, which includes §613).

This document includes a discussion about the development of traffic loads and a table that provides ESAL constants for long-term traffic loads. It doesn't appear that this directly addresses your question, but it may help.

Fred

============
"Is it the only lesson of history that mankind is unteachable?"
--Winston S. Churchill

eea · Dec 6, 2019

Agree with Fred and would think that unless you have client specific site requirements, I would use the prescribed loadings for SU and MU vehicles for roadway design per your local jurisdiction / DOT.

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ESALs from FHWA Truck Class

GeoEIT

Geotechnical

fel3

Civil/Environmental

eea

Civil/Environmental

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