This message is created with the element name with its story at the beginning of the report.
For example Story 1, D4, Requires double reinforcement.
1. The finite element mesh system may not have been created correctly
Possible solutions:
Make sure that the finite element mesh system is created correctly. Check the slab boundry to solve the mesh problem. The connections of the frame elements of the story may not be fully connected to each others. You can solved the problem by reducing widths of finite element of the slabs and raft foundation that defined in the project.
2. Reinforcement must be added to areas with insufficient reinforcement.
Possible solution:
In the analysis settings, if "Consider in plane forces for slab reinforcement design" option is selected, rebars may be required in the upper and lower regions of the slab section at the same time. Setting the rebar type of the calculation line of the slabs to “Upper + under straight reinforcement” may solve the problem.
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