wind load combination for mat foundation design

Hi Guys,

I am currently modelling a mat foundation (RAFT), found that under the default ultimate wind LC: 1.2D + 0.3L + W, the wind load case is not on the list.

Does the programme include the wind loading into the load combination automatically?  I remember that the earlier version of RAM used to list all the wind/earth quake loading cases.

Thanks

Parents
  • The ultimate wind load combinations are lateral group combinations. For lateral group combinations, all loadings associated with the selected Loading Type are included in the load combination and combined with the other load effects using the input Key Loading Factor.

    For the combination shown in the first image below, the 2 loadings marked in the second image are considered in the load combination because they are defined as "Wind-Ultimate" loadings in Criteria - Loadings. The two wind loadings are processed separately in the combination and are not considered to act simultaneously. The lateral group combination is a convenient way to reduce the number of combinations that need to be defined and reviewed.



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  • The ultimate wind load combinations are lateral group combinations. For lateral group combinations, all loadings associated with the selected Loading Type are included in the load combination and combined with the other load effects using the input Key Loading Factor.

    For the combination shown in the first image below, the 2 loadings marked in the second image are considered in the load combination because they are defined as "Wind-Ultimate" loadings in Criteria - Loadings. The two wind loadings are processed separately in the combination and are not considered to act simultaneously. The lateral group combination is a convenient way to reduce the number of combinations that need to be defined and reviewed.



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