There are papers available -

Dr. Sangree having several, some which speak to specific scarf types.

http://cedb.asce.org/cgi/WWWdisplay.cgi?0609170


This I have yet to see but it may be what you are looking for -

http://www.highbeam.com/doc/1G1-91972717.html

Funny, but when I am in need of scarf to fit some funky loading issue, I always at least initially, look to the appendix in EHC for a list of potential choices.

"We build too many walls and not enough bridges" - Isaac Newton

http://bridgewright.wordpress.com/