A client has asked me to evaluate the capacity of an existing section of track that consists of 90 lbs. rails, wooden ties, and rock ballast. Where can I find guidance on determining the maximum rail car loading that can be allowed on this siding rail?
In several threads posted on Engr-Tips for the design of one-way slabs with point loads, reference has been made to an article by H.M. Westergaard. Where can one get a copy of the article "Computations of Stresses in Bridge Slabs Due to Wheel Loads", Public Roads, 11, No. 1 March 1930? I live...