Combined Loads

The types of loads described in Arts. 6.4 to 6.10 may act simultaneously. Maximum stresses or deformations, therefore, may result from some combination of the loads. Building codes specify various combinations that should be investigated, depending on whether allowable stress design (ASD) or load and resistance factor design (LRFD) is used.
For ASD, the following are typical combinations that should be investigated:

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