What does E-80 loading refer to?
What does E-80 loading refer to?
(OP)
Or any of the similar designations? Is there a readily accessible reference on the web? thanks
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What does E-80 loading refer to?
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RE: What does E-80 loading refer to?
RE: What does E-80 loading refer to?
RE: What does E-80 loading refer to?
See this TRL pdf file for further (and more clear) details.
RE: What does E-80 loading refer to?
RE: What does E-80 loading refer to?
The 80,000# axle load acts on a 5 foot axle spacing and 8.5 feet wide ties. Therefore, the railroads are looking for an 1800 to 1882 psf, vertical, strip pressure used with the Boussinesq equation for a RIGID wall.
RE: What does E-80 loading refer to?
RE: What does E-80 loading refer to?
http://
Information on pages 7-23, 6-12, and 2-3 may be of interest.
www.SlideRuleEra.net