I had designed a piperack for a petrochemical plant. Few beams in this piperack had spans of 13m (size HEA360). There will be some deflection due to self weight. For small span beams (say upto 6m) this deflection will not be visible. But for such a long span beam deflection will be very much visible. How to overcome this problem? Castellated beam was one solution but was avoided due to some reasons. Should a camber be provided for deflection against self weight? How difficult will it be to provide a camber in hot rolled member?
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