owillis28
Well-known member
HELP
What is the difference between HS-20 loading and HL-93 loading? What section in the AASHTO is it in? I haven't been able to purchase extra study material outside of what my company has due to financial constraints.
owillis
What is the difference between HS-20 loading and HL-93 loading? What section in the AASHTO is it in? I haven't been able to purchase extra study material outside of what my company has due to financial constraints.
owillis