Case (h) in Figure 4.27 is a good example of the loading and classification hierarchy that should be adopted in the classification of joints. Replacement of brace load by a combination of tension and compression load to give the same net load is not permitted.
For example, replacing the load in the horizontal brace on the left-hand side of the joint by a compression load of 1000 and tension load of 500 is not permitted, as this may result in an inappropriate X classification for this horizontal brace and a K classification for the diagonal brace.
Special consideration should be given to establishing the ...
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