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H20-44 Class B Truck loading

H20-44 Class B Truck loading

H20-44 Class B Truck loading

(OP)
I know what H20-44 truck load is. What is meant by "Class B"  
Thanks in advance

RE: H20-44 Class B Truck loading

Doesn't ring a bell. What year was the bridge constructed? I have the 1944, 1953, and a few other AASHOs at the office; I can look into it on Monday. Is there any other information given?

RE: H20-44 Class B Truck loading

I looked in the old AASHO's & AASHTO's - nothing about a Class B loading.

RE: H20-44 Class B Truck loading

i think this is loading related to the canadian dump truck.

RE: H20-44 Class B Truck loading

What country?  I doubt it is related to your question, but in Australia a prime mover pulling two semi-trailers is called a B-double.

RE: H20-44 Class B Truck loading

(OP)
As it is H20-44 so AASHTO and has to be US. One of my Canadian clients asked about it but looks like he himself doesn't know what he needs. Thanks you all for your valuable time and input.

RE: H20-44 Class B Truck loading

OK, it is US.  But until about 30 years ago, a lot of countries, including Australia, used the AASHTO designations.  Thus my question.

RE: H20-44 Class B Truck loading

I wonder if this is referring to the double rear axle "Alternative" loading situation for H20-S16 Trucks according to the 1963 Califirnia Highway design manual?

Mike McCann
MMC Engineering

RE: H20-44 Class B Truck loading

Maybe classified as commerical driver licenses - "Class A, 18 wheelers, trailer trains, semi's'; "Class B, standard one piece trucks, trailers, I guess". What is "Class C - other commercial trucks, delivery vans"? You and I have "Class D - passenger cars", I believe.

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