| An explicit formulation for prying action first appeared in the 7th Edition Manual and an approach to the problem has appeared in every Manual since. The formulation over the various Editions has improved in terms of efficiency of design to that of the current 13th and 14th Editions. The webinar will present the development of the current method which, for a given load results in the least required material, or for a given material configuration will provide the maximum design strength. |