An experimental investigation of the effect of lip on the column strength of rolled sheet zee and angle sections
The hat section used by certain of the aircraft companies has been quite widely accepted as the most efficient compression carrying member when stiffened by a sheet. However, due to the difficulty of inspection and corrosion control, which is particularly important in naval aircraft, the Consolidat...
Internet
https://thesis.library.caltech.edu/6428/1/Hege_jc_1945.pdfHege, Jeremiah Collins and Goebel, Thomas Parker (1945) An experimental investigation of the effect of lip on the column strength of rolled sheet zee and angle sections. Master's thesis, California Institute of Technology. doi:10.7907/HM7P-CK04. https://resolver.caltech.edu/CaltechTHESIS:05242011-153838445 <https://resolver.caltech.edu/CaltechTHESIS:05242011-153838445>