STG-SUM , or Stage Summation Load Case is a very useful tool in RM Bridge for the analysis of construction stages. It is usually created in the Load Management; while other summation load cases are also possible, like SW-SUM, PT-SUM, CS-SUM, SDL-SUM;…

Stages are where the construction stages are listed. At the bottom table, there are two options: Activation : where each stage elements are activated and; Schedule Actions : where the sequence of calculation actions are performed.