Sir,
the bottom chord of my trusses is failing due to compression at wind load upward alone load case 5. But i want to ignore this case which will never happen alone due to dead load of 1 kn/m2 on the roof.I want to check my steel with load combinations dead+wind.so is it possible in staad to ignore alone wind load case and check the design on remaining cases.?file is also attachedWARREN theater f2.std