Incorrect Auto Load Combination ASD ASCE

[ducvanvt]

Hi Everyone,

For some reasons the load combinations automatically generated by Robot for ASD ASCE 7-10 code are incorrect. In particular for load case:D + 0.75L + 0.75(0.6)W + 0.75S/Lr/R

I have attached the screen capture of the load combo generated by Robot. Factors assigned to Wind (case 5to8) should have been 0.45 not 1.0 (see attached screenshot). Also factor assigned to load case from 11 to 21 should have been 0.75, not 1.0 as they are Live Load. 

It is strange because yesterday I have encountered the same issue, but after playing around with the program (switching between codes, changing formula for auto load combination and changed it back to default etc) the program did give the correct combination. But today it does not work correctly no matter what I tried! 

What have I done wrong here ? Thanks!

[Artur.Kosakowski]

I'm sorry but I'm not able to find any better solution than the one below:

1. Delete automatic combinations

2. Generate automatically manual combinations

3. Edit wrong load factors in the combination table

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