The usual methods for designing bolted connections of conventional steel structures must be modified for application to thin-walled, light-gage steel construction. This is so because the ratios of bolt diameter to steel thickness in light-gage construction are generally much larger than those customary in conventional construction. In a previous paper  the writer has published the results of 547 tests of light-gage steel connections with ordinary "black" bolts. The results could be expressed in four simple equations for determining failure loads which, when used with an appropriate factor of safety, can serve as a safe basis for design. It is the purpose of the present paper to report and evaluate the results of 476 additional tests made on similar connections, but with high-strength, high-torqued bolts of the kind which has come into use in the U. S. A. during the last five years. These tests were undertaken in order to investigate in what manner such connections would perform differently from those made with ordinary bolts, and what possible advantage could be gained from using these special bolts in light-gage, thin-walled steel construction.
Civil, Architectural and Environmental Engineering
Wei-Wen Yu Center for Cold-Formed Steel Structures
Report - Technical
Winter, George, "Light gage steel connections with high-strength, high-torqued bolts" (1956). Center for Cold-Formed Steel Structures Library. Paper 118.