Hi,
The problem is that the Autefa make storage rack with open Box column are observed as buckled at lower most span while put on 42 MT test load. Total vertical members to 16 rack structure are 32 legs. How can I get the value of I, E, Z for non standard open box channel of 80X40 in 2.34mm thick EN8 steel. (Hot rolled?). My concern is to certify the safe working load with mathematical calculation. All 16 racks are joined to-gather with cross members. Buckling column length is 1M. Height of rack is 15 Mtr.
Hemant Ambaselkar
India | 
