I have done this type of analysis many years ago. Do you have ties or struts? How many are they in the 26 m span? what is their cross-section? The cross section of the ties should be relatively small compared to the arch rib. So, you may assume that they hinged despite the fact they are...
Does anyone aware of an example or guidelines/reference for design and detailing a steel straddle bent cap. I know it is a design od a simple beam, but yet if there is a reference for design and detailing, it would be more helpful. Thank you.
The following 2 paper give a nice summary of the AASHTO Truck history and an update about the suggested live load trucks.
Enhancement of bridge live loads based on West Virginia weigh-in-motion data
Journal Bridge Structures - Assessment, Design & Construction
Publisher IOS Press
ISSN...