A comparative study on the specifications for the design of compressive member with discrete sectional sizes is presented. Three specifications are taken into consideration. They are Specifications for Highway Bridges of Japan Road Association(JSHB), Specifications for Design of Steel Railway Bridges of Japanese National Railways(JR) and Guideline for the Design of Main Towers of Honshu-Shikoku Bridge Authority(HSBA). The discrete values of the sectional sizes of the square boxsections, rectangular box sections and. I-sections are calculated by enumeration method and the results are studied from several points of view.
